WARNING: arch/arm/mach-omap2/built-in.o(.text+0xb798): Section mismatch in reference from the function omap_4430sdp_display_init() to the function .init.text:omap_display_init()
The function omap_4430sdp_display_init() references
the function __init omap_display_init().
This is often because omap_4430sdp_display_init lacks a __init
annotation or the annotation of omap_display_init is wrong.
Fix this by adding __init to omap_4430sdp_display_init().
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
WARNING: vmlinux.o(.text+0x1c664): Section mismatch in reference from the function omap_secondary_startup() to the function .cpuinit.text:secondary_startup()
The function omap_secondary_startup() references
the function __cpuinit secondary_startup().
This is often because omap_secondary_startup lacks a __cpuinit
annotation or the annotation of secondary_startup is wrong.
Unfortunately, fixing this causes a new warning which is harder to
solve:
WARNING: arch/arm/mach-omap2/built-in.o(.text+0x5328): Section mismatch in reference from the function omap4_hotplug_cpu() to the function .cpuinit.text:omap_secondary_startup()
The function omap4_hotplug_cpu() references
the function __cpuinit omap_secondary_startup().
This is often because omap4_hotplug_cpu lacks a __cpuinit
annotation or the annotation of omap_secondary_startup is wrong.
because omap4_hotplug_cpu() is used by power management code as well,
which may not end up using omap_secondary_startup().
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Found by review.
omap4_sdp4430_wifi_mux_init() is called by an __init marked function,
and only calls omap_mux_init_gpio() and omap_mux_init_signal() which
are both also an __init marked functions.
The only reason this doesn't issue a warning is because the compiler
inlines omap4_sdp4430_wifi_mux_init() into omap4_sdp4430_wifi_init().
So, lets add the __init annotation to ensure this remains safe should
the compiler choose not to inline.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
WARNING: arch/arm/mach-omap2/built-in.o(.text+0x15a4): Section mismatch in reference from the function omap_mux_init_signals() to the function .init.text:omap_mux_init_signal()
The function omap_mux_init_signals() references
the function __init omap_mux_init_signal().
This is often because omap_mux_init_signals lacks a __init
annotation or the annotation of omap_mux_init_signal is wrong.
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
On my OMAP4 platform, I'm getting this error message repeated several
times at boot:
omap_vc_i2c_init: I2C config for all channels must match.
omap_vc_i2c_init: I2C config for all channels must match.
This doesn't help identify what the problem is. Fix this message to
be more informative:
omap_vc_i2c_init: I2C config for vdd_iva does not match other channels (0).
omap_vc_i2c_init: I2C config for vdd_mpu does not match other channels (0).
This allows us to identify which voltage domains have a problem, and
what the I2C configuration state (a boolean, i2c_high_speed) setting
being used actually is.
From this we find that omap4_core_pmic has i2c_high_speed false, but
omap4_iva_pmic and omap4_mpu_pmic both have it set true.
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
While testing on my OMAP3430 platform, this error message was emitted:
omap_vc_init_channel: PMIC info requried to configure vc forvdd_core not populated.Hence cannot initialize vc
Trying to find this message was difficult because it was wrapped across
several lines. It also mis-spells "required", doesn't read very well,
and has spaces lacking. Let's replace it with a more concise:
omap_vc_init_channel: No PMIC info for vdd_core
While we're here, fix a simple spelling error in a comment.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
When CONFIG_OF is disabled, the compile fails with:
arch/arm/mach-omap2/prm44xx.c:41: error: 'OMAP44XX_IRQ_PRCM' undeclared here (not in a function)
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Fix build breakage due to the following commits:
Commit bd5f12a247
ARM: 7042/3: mach-ep93xx: break out GPIO driver specifics
Commit 257af9f972
ARM: 7041/1: gpio-ep93xx: hookup the to_irq callback in the driver
The vision_ep9307 machine uses the ep93xx build-in gpios and needs to
include <mach/gpio-ep93xx.h> to pickup the defines.
The gpio_to_irq() call is now a callback to the gpio-ep93xx.c driver
and cannot be used as a constant initializer for the .irq member of
struct i2c_board_info.
Signed-off-by: Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
Acked-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* 'v3.3-samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (2 commits)
ARM: EXYNOS: Add cpu-offset property in gic device tree node
ARM: EXYNOS: Bring exynos4-dt up to date
Linux 3.3-rc3
This includes an update to the v3.3-rc3 release from v3.3-rc2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Fix double start/stop in x86_pmu_start()
perf evsel: Fix an issue where perf report fails to show the proper percentage
perf tools: Fix prefix matching for kernel maps
perf tools: Fix perf stack to non executable on x86_64
perf: Remove deprecated WARN_ON_ONCE()
On OMAP2420-based systems, the PM code ignores the state of the UART
functional clocks when determining what idle state to enter. This
breaks the serial port now that the UART driver's clock behavior can
be controlled via the PM autosuspend timeout.
To fix, remove the special-case idle handling for the UARTs in the
OMAP2420/2430 PM idle code added by commit
4af4016c53 ("OMAP3: PM: UART: disable
clocks when idle and off-mode support").
Tested on Nokia N800. This patch is a collaboration between Tony
Lindgren <tony@atomide.com> and Paul Walmsley <paul@pwsan.com>.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The patch "ARM: orion: Consolidate USB platform setup code.", commit
4fcd3f374a broke USB on TS-7800 and
other orion5x boards, because the wrong type of PHY was being passed
to the EHCI driver in the platform data. Orion5x needs EHCI_PHY_ORION
and all the others want EHCI_PHY_NA.
Allow the mach- code to tell the generic plat-orion code which USB PHY
enum to place into the platform data.
Version 2: Rebase to v3.3-rc2.
Reported-by: Ambroz Bizjak <ambrop7@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Ambroz Bizjak <ambrop7@gmail.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Patchset "ARM: orion: Refactor the MPP code common in the orion
platform" broke at least Orion5x based platforms. These platforms have
pins configured as GPIO when the selector is not 0x0. However the
common code assumes the selector is always 0x0 for a GPIO lines. It
then ignores the GPIO bits in the MPP definitions, resulting in that
Orion5x machines cannot correctly configure there GPIO lines.
The Fix removes the assumption that the selector is always 0x0.
In order that none GPIO configurations are correctly blocked,
Kirkwood and mv78xx0 MPP definitions are corrected to only set the
GPIO bits for GPIO configurations.
This third version, which does not contain any whitespace changes,
and is rebased on v3.3-rc2.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
Just a few new device ids, omap serial driver regression fixes, and a
build fix for the 8250 driver movement.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Serial/TTY fixes for the 3.3-rc3 tree
Just a few new device ids, omap serial driver regression fixes, and a
build fix for the 8250 driver movement.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* tag 'tty-3.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: omap-serial: wakeup latency constraint is in microseconds, not milliseconds
tty: serial: OMAP: block idle while the UART is transferring data in PIO mode
tty: serial: OMAP: use a 1-byte RX FIFO threshold in PIO mode
m32r: relocate drivers back out of 8250 dir
tty: fix a build failure on sparc
serial: samsung: Add support for EXYNOS5250
serial: samsung: Add support for EXYNOS4212 and EXYNOS4412
drivers/tty/vt/vt_ioctl.c: fix KDFONTOP 32bit compatibility layer
Prevent OMAP UARTs from going idle while they are still transferring
data in PIO mode. This works around an oversight in the OMAP UART
hardware present in OMAP34xx and earlier: an idle UART won't send a
wakeup when the TX FIFO threshold is reached. This causes long delays
during data transmission when the MPU powerdomain enters a low-power
mode. The MPU interrupt controller is not able to respond to
interrupts when it's in a low-power state, so the TX buffer is not
refilled until another wakeup event occurs.
This fix changes the erratum i291 DMA idle workaround. Rather than
toggling between force-idle and no-idle, it will toggle between
smart-idle and no-idle. The important part of the workaround is the
no-idle part, so this shouldn't result in any change in behavior.
This fix should work on all OMAP UARTs. Future patches intended for
the 3.4 merge window will make this workaround conditional on a
"feature" flag, and will use the OMAP36xx+ TX event wakeup support.
Thanks to Kevin Hilman <khilman@ti.com> for mentioning the erratum i291
workaround, which led to the development of this approach.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Govindraj.R <govindraj.raja@ti.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ARM kernel uses undefined instructions to implement
BUG/BUG_ON(). This leads to problems where people don't read one
line above the Oops message and see the "kernel BUG at ..."
message and so they wrongly assume the kernel has hit an
undefined instruction.
Instead of printing:
Internal error: Oops - undefined instruction: 0 [#1] PREEMPT SMP
print
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
This should prevent people from thinking the BUG_ON was an
undefined instruction when it was actually intentional.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
armv7's flush_cache_all() flushes caches via set/way. To
determine the cache attributes (line size, number of sets,
etc.) the assembly first writes the CSSELR register to select a
cache level and then reads the CCSIDR register. The CSSELR register
is banked per-cpu and is used to determine which cache level CCSIDR
reads. If the task is migrated between when the CSSELR is written and
the CCSIDR is read the CCSIDR value may be for an unexpected cache
level (for example L1 instead of L2) and incorrect cache flushing
could occur.
Disable interrupts across the write and read so that the correct
cache attributes are read and used for the cache flushing
routine. We disable interrupts instead of disabling preemption
because the critical section is only 3 instructions and we want
to call v7_dcache_flush_all from __v7_setup which doesn't have a
full kernel stack with a struct thread_info.
This fixes a problem we see in scm_call() when flush_cache_all()
is called from preemptible context and sometimes the L2 cache is
not properly flushed out.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
With an admittedly exotic choice of configuration options
(CC_OPTIMIZE_FOR_SIZE, THUMB2, some other size-minimizing ones)
and compiler, the proc_info table can end up being misaligned,
and the kernel being unbootable (Error: unrecognized/unsupported
processor variant).
Forcing the alignement to 4 bytes in the linker script fixes the
issue.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit db0d4db22a ('ARM: gic: allow GIC to support non-banked setups)
requires a cpu-offset property to be specified for non-banked gic
controllers, which is the case for Exynos4.
Reported-and-Tested-by: Karol Lewandowski <k.lewandowsk@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit brings exynos4-dt in line with recent changes to
mach-exynos tree, specifically:
- Fixes build break related to replacing plat/exynos4.h with
common.h in commit cc511b8d84 ("ARM: 7257/1: EXYNOS:
introduce arch/arm/mach-exynos/common.[ch]")
- Converts machine to use CONFIG_MULTI_IRQ_HANDLER as done for
other machines in commit 4e44d2cb95 ("ARM: exynos4: convert
to CONFIG_MULTI_IRQ_HANDLER")
- Adds restart specifier as done for other machines in commit
9eb4859564 ("ARM: 7262/1: restart: EXYNOS: use new restart hook")
Signed-off-by: Karol Lewandowski <k.lewandowsk@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
For L1 instruction cache and L2 cache the shared CPU information
is wrong. On current AMD family 15h CPUs those caches are shared
between both cores of a compute unit.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=42607
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Petkov Borislav <Borislav.Petkov@amd.com>
Cc: Dave Jones <davej@redhat.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120208195229.GA17523@alberich.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Add qeth device private ioctl to query the OSA address table.
This helps debugging hw related problems.
Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
WARNING: arch/arm/mach-omap2/built-in.o(.text+0xeae8):
Section mismatch in reference from the function cm_t35_init_usbh()
to the (unknown reference) .init.data:(unknown)
The function cm_t35_init_usbh() references
the (unknown reference) __initdata (unknown).
This is often because cm_t35_init_usbh lacks a __initdata
annotation or the annotation of (unknown) is wrong.
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
With the latest Sourcery G++ Lite 2011.03-41 and latest linaro
tool-chains OMAP2 only build breaks with below error.
arch/arm/mach-omap2/omap-smc.S: Assembler messages:
arch/arm/mach-omap2/omap-smc.S:30: Error: selected processor does not support ARM mode `smc #0'
arch/arm/mach-omap2/omap-smc.S:53: Error: selected processor does not support ARM mode `smc #0'
arch/arm/mach-omap2/omap-smc.S:61: Error: selected processor does not support ARM mode `smc #0'
arch/arm/mach-omap2/omap-smc.S:69: Error: selected processor does not support ARM mode `smc #0'
arch/arm/mach-omap2/omap-smc.S:77: Error: selected processor does not support ARM mode `smc #0'
make[1]: *** [arch/arm/mach-omap2/omap-smc.o] Error 1
OMAP2 devices doesn't have the security support but the security support
was getting built because of OMAP2PLUS. Don't build security code for
OMAP2 devices.
While at it, fix the secure-common line in the Makefile to use tabs
instead of spaces.
Reported-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
It includes:
- a compile fix for fsl-diu-fb
- a fix for a suspend/resume issue in atmel_lcdfb
- a fix for a suspend/resume issue in OMAP
- a workaround for a hardware bug to avoid physical damage in OMAP
- a really trivial dead code removal in intelfb
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Merge tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6
fbdev fixes for 3.3
It includes:
- compile fix for fsl-diu-fb
- fix for a suspend/resume issue in atmel_lcdfb
- fix for a suspend/resume issue in OMAP
- workaround for a hardware bug to avoid physical damage in OMAP
- really trivial dead code removal in intelfb
* tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6:
atmel_lcdfb: fix usage of CONTRAST_CTR in suspend/resume
intelfb: remove some dead code
drivers/video: compile fixes for fsl-diu-fb.c
OMAPDSS: HDMI: PHY burnout fix
OMAP: 4430SDP/Panda: add HDMI HPD gpio
OMAP: 4430SDP/Panda: setup HDMI GPIO muxes
OMAPDSS: remove wrong HDMI HPD muxing
OMAP: 4430SDP/Panda: rename HPD GPIO to CT_CP_HPD
OMAP: 4430SDP/Panda: use gpio_free_array to free HDMI gpios
OMAPDSS: use sync versions of pm_runtime_put
Kevin Cernekee reported that recent cleanup
that replaced pci_iomap with a generic function
failed to take into account the differences
in io port handling on mips and sh architectures.
Rather than revert the changes reintroducing the
code duplication, this patchset fixes this
by adding ability for architectures to override
ioport mapping for pci devices.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
arch: fix ioport mapping on mips,sh
Kevin Cernekee reported that recent cleanup that replaced pci_iomap with
a generic function failed to take into account the differences in io
port handling on mips and sh architectures.
Rather than revert the changes reintroducing the code duplication, this
patchset fixes this by adding ability for architectures to override
ioport mapping for pci devices.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
sh: use the the PCI channels's io_map_base
mips: use the the PCI controller's io_map_base
lib: add NO_GENERIC_PCI_IOPORT_MAP
The following patch fixes a bug introduced by the following
commit:
e050e3f0a7 ("perf: Fix broken interrupt rate throttling")
The patch caused the following warning to pop up depending on
the sampling frequency adjustments:
------------[ cut here ]------------
WARNING: at arch/x86/kernel/cpu/perf_event.c:995 x86_pmu_start+0x79/0xd4()
It was caused by the following call sequence:
perf_adjust_freq_unthr_context.part() {
stop()
if (delta > 0) {
perf_adjust_period() {
if (period > 8*...) {
stop()
...
start()
}
}
}
start()
}
Which caused a double start and a double stop, thus triggering
the assert in x86_pmu_start().
The patch fixes the problem by avoiding the double calls. We
pass a new argument to perf_adjust_period() to indicate whether
or not the event is already stopped. We can't just remove the
start/stop from that function because it's called from
__perf_event_overflow where the event needs to be reloaded via a
stop/start back-toback call.
The patch reintroduces the assertion in x86_pmu_start() which
was removed by commit:
84f2b9b ("perf: Remove deprecated WARN_ON_ONCE()")
In this second version, we've added calls to disable/enable PMU
during unthrottling or frequency adjustment based on bug report
of spurious NMI interrupts from Eric Dumazet.
Reported-and-tested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Stephane Eranian <eranian@google.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: markus@trippelsdorf.de
Cc: paulus@samba.org
Link: http://lkml.kernel.org/r/20120207133956.GA4932@quad
[ Minor edits to the changelog and to the code ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
AMD processors will never support /dev/cpu/microcode updating so
just silently fail instead of printing out a warning for every
cpu.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Link: http://lkml.kernel.org/r/1328552935-965-1-git-send-email-prarit@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
UARTC is connected to the mini-pcie port.
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
The power gpio for the external memory card was specified wrongly.
Replace it with the correct value (tested with warmboot with fastboot).
Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
If the SG bit is set in MMUTR the page is accessible for all
userspace processes (ignoring the ASID). So a process might randomly
access a page from a different process which had a shared page
(from shared memory) in its context.
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
We had problems accessing our NOR flash trough mtd. The system always got
stuck at attaching UBI using ubiattach if booted from NFS or after mounting
squashfs as rootfs directly from NOR flash.
After some testing of the new changes introduced from v3.2-rc1 to v3.2-rc7
we had to apply the following patch to get mtd working again.
[gerg: The problem was ultimately caused by allocated kernel pages not having
the shared (SG) bit set. Without the SG bit set the MMU will look for page
matches incorporating the ASID as well. Things like module regions allocated
using vmalloc would fault when other processes run. ]
Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
The return path from an exception was checking too many bits in the
thread_info->flags, and getting stuck calling do_signal(). There was
no work to do, we should only be checking the low 8 bits (as per comments
and definitions in arch/m68k/include/asm/thread_info.h).
This fixes the stuck process problem when using strace.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Fixing a regression with the PMU MSRs when PMU virtualization is
disabled, a guest-internal DoS with the SYSCALL instruction, and a dirty
memory logging race that may cause live migration to fail.
* 'kvm-updates/3.3' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: do not #GP on perf MSR writes when vPMU is disabled
KVM: x86: fix missing checks in syscall emulation
KVM: x86: extend "struct x86_emulate_ops" with "get_cpuid"
KVM: Fix __set_bit() race in mark_page_dirty() during dirty logging
Some SoCs have a PCIe host controller to make it possible to attach
some other devices to it, like an other Wifi card.
This code was tested with an Netgear WNDR3400 (bcm4716 based), but
should work with all bcma based SoCs.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* 'v3.3-samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Correct M-5MOLS sensor clock frequency on Universal C210 board
ARM: EXYNOS: Correct framebuffer window size on Nuri board
ARM: SAMSUNG: Fix missing api-change from subsys_interface change
ARM: EXYNOS: Fix "warning: initialization from incompatible pointer type"
ARM: S5PV210: Fix the name of exynos4_clk_hdmiphy_ctrl() for S5PV210
ARM: EXYNOS: Remove build warning without enabling PM
ARM: SAMSUNG: Fix platform data setup for I2C adapter 0
ARM: EXYNOS: fix non-SMP builds for EXYNOS4
ARM: S3C6410: Use device names for both I2C clocks
ARM: S3C64XX: Make s3c64xx_init_uarts() static
* A series of OMAP regression fixes for merge window fallout
* Two patches for Davinci, one removes some misdefined clocks, the other
is a regression fix for merge window fallout
* Two patches that makes Broadcom bcmring build again (and removes a
bunch of unused code in the process)
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
arm-soc fixes for 3.3-rc
* A series of OMAP regression fixes for merge window fallout
* Two patches for Davinci, one removes some misdefined clocks, the other
is a regression fix for merge window fallout
* Two patches that makes Broadcom bcmring build again (and removes a
bunch of unused code in the process)
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: bcmring: fix build failure in mach-bcmring/arch.c
ARM: bcmring: remove unused DMA map code
ARM: davinci: update mdio bus name
ARM: OMAP2+: arch/arm/mach-omap2/smartreflex.c: add missing iounmap
ARM: OMAP2+: arch/arm/mach-omap2/devices.c: introduce missing kfree
ARM: OMAP: fix MMC2 loopback clock handling
ARM: OMAP: fix erroneous mmc2 clock change on mmc3 setup
ARM: OMAP2+: GPMC: fix device size setup
ARM: OMAP2+: timer: Fix crash due to wrong arg to __omap_dm_timer_read_counter
ARM: OMAP3: hwmod data: register dss hwmods after dss_core
ARM: OMAP2/3: PRM: fix missing plat/irqs.h build breakage
ARM: OMAP2+: io: fix compilation breakage on 2420-only configs
ARM: OMAP4: hwmod data: Add names for DMIC memory address space
ARM: OMAP3: hwmod data: add SYSC_HAS_ENAWAKEUP for dispc
ARM: OMAP2+: hwmod data: split omap2/3 dispc hwmod class
ARM: davinci: DA850: remove non-existing pll1_sysclk4-7 clocks
ARM: OMAP2: fix regulator warnings
ARM: OMAP2: fix omap3 touchbook kconfig warning
i2c: OMAP: Fix OMAP1 build error
Upstream commit d1fce9c115
"ARM: restart: bcmring: use new restart hook"
breaks building of this platform, since what used to be the
last field of the MACHINE_START/END block didn't have a
trailing comma. Once another field was added below, we get:
arch/arm/mach-bcmring/arch.c:198: error: request for member 'restart' in something not a structure or union
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
Remove BCMRING DMA map code which is no longer used.
This also fixes a build error with dma.c introduced by
bfcd2ea6a4.
Signed-off-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
i.MX SDMA: Fix burstsize settings
ARM: mach-shmobile: both USB DMAC instances on sh7372 are slave-only
dma: sh_dma: not all SH DMAC implementations support MEMCPY
at_hdmac: bugfix for enabling channel irq
dmaengine: fix missing 'cnt' in ?: in dmatest
Enable use of the generic atomic64 implementation on AVR32 platforms.
Without this the kernel fails to build as the architecture does not
provide its version.
Signed-off-by: Fabio Baltieri <fabio.baltieri@gmail.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Defining memscan() as memchr() is wrong, because the return values of
memscan() and memchr() are different when the character is not found. So
use the generic memscan() implementation to fix this.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When a user offlines a VCPU and then onlines it, we get:
NMI watchdog disabled (cpu2): hardware events not enabled
BUG: scheduling while atomic: swapper/2/0/0x00000002
Modules linked in: dm_multipath dm_mod xen_evtchn iscsi_boot_sysfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi scsi_mod libcrc32c crc32c radeon fbco
ttm bitblit softcursor drm_kms_helper xen_blkfront xen_netfront xen_fbfront fb_sys_fops sysimgblt sysfillrect syscopyarea xen_kbdfront xenfs [last unloaded:
Pid: 0, comm: swapper/2 Tainted: G O 3.2.0phase15.1-00003-gd6f7f5b-dirty #4
Call Trace:
[<ffffffff81070571>] __schedule_bug+0x61/0x70
[<ffffffff8158eb78>] __schedule+0x798/0x850
[<ffffffff8158ed6a>] schedule+0x3a/0x50
[<ffffffff810349be>] cpu_idle+0xbe/0xe0
[<ffffffff81583599>] cpu_bringup_and_idle+0xe/0x10
The reason for this should be obvious from this call-chain:
cpu_bringup_and_idle:
\- cpu_bringup
| \-[preempt_disable]
|
|- cpu_idle
\- play_dead [assuming the user offlined the VCPU]
| \
| +- (xen_play_dead)
| \- HYPERVISOR_VCPU_off [so VCPU is dead, once user
| | onlines it starts from here]
| \- cpu_bringup [preempt_disable]
|
+- preempt_enable_no_reschedule()
+- schedule()
\- preempt_enable()
So we have two preempt_disble() and one preempt_enable(). Calling
preempt_enable() after the cpu_bringup() in the xen_play_dead
fixes the imbalance.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
__kuser_cmpxchg64 has a return path using bx lr to get back to the caller.
This is actually ok since the code in question is predicated on
CONFIG_CPU_32v6K, but for the sake of consistency using the usr_ret
macro is probably better.
Acked-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
With the new throttling/unthrottling code introduced with
commit:
e050e3f0a7 ("perf: Fix broken interrupt rate throttling")
we occasionally hit two WARN_ON_ONCE() checks in:
- intel_pmu_pebs_enable()
- intel_pmu_lbr_enable()
- x86_pmu_start()
The assertions are no longer problematic. There is a valid
path where they can trigger but it is harmless.
The assertion can be triggered with:
$ perf record -e instructions:pp ....
Leading to paths:
intel_pmu_pebs_enable
intel_pmu_enable_event
x86_perf_event_set_period
x86_pmu_start
perf_adjust_freq_unthr_context
perf_event_task_tick
scheduler_tick
And:
intel_pmu_lbr_enable
intel_pmu_enable_event
x86_perf_event_set_period
x86_pmu_start
perf_adjust_freq_unthr_context.
perf_event_task_tick
scheduler_tick
cpuc->enabled is always on because when we get to
perf_adjust_freq_unthr_context() the PMU is not totally
disabled. Furthermore when we need to adjust a period,
we only stop the event we need to change and not the
entire PMU. Thus, when we re-enable, cpuc->enabled is
already set. Note that when we stop the event, both
pebs and lbr are stopped if necessary (and possible).
Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/20120202110401.GA30911@quad
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
bugs, x86: Fix printk levels for panic, softlockups and stack dumps
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf top: Fix number of samples displayed
perf tools: Fix strlen() bug in perf_event__synthesize_event_type()
perf tools: Fix broken build by defining _GNU_SOURCE in Makefile
x86/dumpstack: Remove unneeded check in dump_trace()
perf: Fix broken interrupt rate throttling
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/rt: Fix task stack corruption under __ARCH_WANT_INTERRUPTS_ON_CTXSW
sched: Fix ancient race in do_exit()
sched/nohz: Fix nohz cpu idle load balancing state with cpu hotplug
sched/s390: Fix compile error in sched/core.c
sched: Fix rq->nr_uninterruptible update race
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/reboot: Remove VersaLogic Menlow reboot quirk
x86/reboot: Skip DMI checks if reboot set by user
x86: Properly parenthesize cmpxchg() macro arguments
Linux uses two PMD entries for a PTE with the classic page table format,
covering 2MB range. However, the __pte_free_tlb() function only adds a
single TLB flush corresponding to 1MB range covering 'addr'. On
Cortex-A15, level 1 entries can be cached by the TLB independently of
the level 2 entries and without additional flushing a PMD entry would be
left pointing at the wrong PTE. The patch limits the TLB flushing range
to two 4KB pages around the 1MB boundary within PMD.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 89d6c0b5 ("perf, arch: Add generic NODE cache events") added
empty NODE event definitions for the ARM PMU implementations. This was
merged along with Cortex-A5 and Cortex-A15 PMU support, so they missed
out on the original patch.
This patch adds the empty definitions to Cortex-A5 and Cortex-A15.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
If we are context switched whilst copying into a thread's
vfp_hard_struct then the partial copy may be corrupted by the VFP
context switching code (see "ARM: vfp: flush thread hwstate before
restoring context from sigframe").
This patch updates the ptrace VFP set code so that the thread state is
flushed before the copy, therefore disabling VFP and preventing
corruption from occurring.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
In a preemptible kernel, vfp_set() can be preempted, causing the
hardware VFP context to be switched while the thread vfp state is
being read and modified. This leads to a race condition which can
cause the thread vfp state to become corrupted if lazy VFP context
save occurs due to preemption in between the time thread->vfpstate
is read and the time the modified state is written back.
This may occur if preemption occurs during the execution of a
ptrace() call which modifies the VFP register state of a thread.
Such instances should be very rare in most realistic scenarios --
none has been reported, so far as I am aware. Only uniprocessor
systems should be affected, since VFP context save is not currently
lazy in SMP kernels.
The problem was introduced by my earlier patch migrating to use
regsets to implement ptrace.
This patch does a vfp_sync_hwstate() before reading
thread->vfpstate, to make sure that the thread's VFP state is not
live in the hardware registers while the registers are modified.
Thanks to Will Deacon for spotting this.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Following execution of a signal handler, we currently restore the VFP
context from the ucontext in the signal frame. This involves copying
from the user stack into the current thread's vfp_hard_struct and then
flushing the new data out to the hardware registers.
This is problematic when using a preemptible kernel because we could be
context switched whilst updating the vfp_hard_struct. If the current
thread has made use of VFP since the last context switch, the VFP
notifier will copy from the hardware registers into the vfp_hard_struct,
overwriting any data that had been partially copied by the signal code.
Disabling preemption across copy_from_user calls is a terrible idea, so
instead we move the VFP thread flush *before* we update the
vfp_hard_struct. Since the flushing is performed lazily, this has the
effect of disabling VFP and clearing the CPU's VFP state pointer,
therefore preventing the thread from being updated with stale data on
the next context switch.
Cc: stable <stable@vger.kernel.org>
Tested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This reverts commit 3c424f3598.
Joachim Eastwood reports:
| "ARM: 7304/1: ioremap: fix boundary check when reusing static mapping"
| Commit: 3c424f3598 in Linus master
|
| Breaks booting on my custom AT91RM9200 board.
| There isn't any error messages or anything that indicates what goes
| wrong it just stops after; Uncompressing Linux... done, booting the
| kernel.
|
| Reverting it makes my board boot again.
and further debugging reveals:
ioremap: pfn=fffff phys=fffff000 offset=400 size=1000
ioremap: area c3ffdfc0: phys_addr=200000 pfn=200 size=4000
ioremap: found: addr fef74000 => fed73000 => fed73400
Clearly, an area for pfn 0x200, 16K can't ever satisfy a request for pfn
0xfffff. This happens because the changed if statement becomes:
if (0x00200 > 0xfffff ||
0xfffff000 + 0x400 + 0x1000-1 > 0x00200000 + 0x4000-1)
and therefore:
if (0x00200 > 0xfffff ||
0x000003ff > 0x00203fff)
The if condition fails, and so we _believe_ that the SRAM mapping fits
our request. Clearly that's totally bogus.
Moreover, the original premise of the 'fix' patch was wrong:
| The condition checking boundaries of the requested and existing
| mappings didn't take in-page offset into consideration though,
| which lead to obscure and hard to debug problems when requested
| mapping crossed end of the static one.
as the code immediately above this loop does:
size = PAGE_ALIGN(offset + size);
so 'size' already contains the requested offset into the page.
So, revert the broken 'fix'.
Acked-by: Nicolas Pitre <nico@linaro.org>
Both sparc 32-bit's software divide assembler and MPILIB provide
clz_tab[] with identical contents.
Break it out into a seperate object file and select it when
SPARC32 or MPILIB is set.
Reported-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Morris <jmorris@namei.org>
Return to behaviour perf MSR had before introducing vPMU in case vPMU
is disabled. Some guests access those registers unconditionally and do
not expect it to fail.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
On hosts without this patch, 32bit guests will crash (and 64bit guests
may behave in a wrong way) for example by simply executing following
nasm-demo-application:
[bits 32]
global _start
SECTION .text
_start: syscall
(I tested it with winxp and linux - both always crashed)
Disassembly of section .text:
00000000 <_start>:
0: 0f 05 syscall
The reason seems a missing "invalid opcode"-trap (int6) for the
syscall opcode "0f05", which is not available on Intel CPUs
within non-longmodes, as also on some AMD CPUs within legacy-mode.
(depending on CPU vendor, MSR_EFER and cpuid)
Because previous mentioned OSs may not engage corresponding
syscall target-registers (STAR, LSTAR, CSTAR), they remain
NULL and (non trapping) syscalls are leading to multiple
faults and finally crashs.
Depending on the architecture (AMD or Intel) pretended by
guests, various checks according to vendor's documentation
are implemented to overcome the current issue and behave
like the CPUs physical counterparts.
[mtosatti: cleanup/beautify code]
Signed-off-by: Stephan Baerwolf <stephan.baerwolf@tu-ilmenau.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
In order to be able to proceed checks on CPU-specific properties
within the emulator, function "get_cpuid" is introduced.
With "get_cpuid" it is possible to virtually call the guests
"cpuid"-opcode without changing the VM's context.
[mtosatti: cleanup/beautify code]
Signed-off-by: Stephan Baerwolf <stephan.baerwolf@tu-ilmenau.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
commit 43db595e8b
(sh: switch to GENERIC_PCI_IOMAP)
failed to take into account the PCI channels's
io_map_base for mapping IO BARs.
This also caused a new warning on sh.
Fix this, without re-introducing code duplication,
by setting NO_GENERIC_PCI_IOPORT_MAP
and supplying a sh-specific __pci_ioport_map.
Reported-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
commit eab90291d3
(mips: switch to GENERIC_PCI_IOMAP)
failed to take into account the PCI controller's
io_map_base for mapping IO BARs.
This also caused a new warning on mips.
Fix this, without re-introducing code duplication,
by setting NO_GENERIC_PCI_IOPORT_MAP
and supplying a mips-specific __pci_ioport_map.
Reported-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This reverts commit d761f0c521.
Patch: "cpu: Register a generic CPU device on architectures that currently do not"
(sha1: 9f13a1fd45)
selects GENERIC_CPU_DEVICES for Microblaze which register cpu.
My patch was done in the same time that's why cpu was registered twice which
caused this warning log:
------------[ cut here ]------------
WARNING: at fs/sysfs/dir.c:481 sysfs_add_one+0xb0/0xdc()
sysfs: cannot create duplicate filename '/devices/system/cpu/cpu0'
Modules linked in:
...
Signed-off-by: Michal Simek <monstr@monstr.eu>
In order to keep the sensor's master clock frequency in valid range
when FIMC parent clock is xusbxti, the specified frequency must be
exactly 24MHZ, otherwise it's being set to too low value due to
rounding.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The real LCD resolution on Nuri is 1024x600, not 1280x800. This change
fixes the color distortion (green shadows) on half of the screen.
Also increase framebuffer virtual size for display panning support.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Compiled device tree blobs shouldn't be committed in the kernel
tree, so ideally git should ignore them.
This patch will enable ignoring of any .dtb files which appear in
arch/arm/boot/
Signed-off-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
[S390] dasd: revalidate server for new pathgroup
[S390] dasd: revert LCU optimization
[S390] cleanup entry point definition
This commit removes the reboot quirk originally added by commit
e19e074 ("x86: Fix reboot problem on VersaLogic Menlow boards").
Testing with a VersaLogic Ocelot (VL-EPMs-21a rev 1.00 w/ BIOS
6.5.102) revealed the following regarding the reboot hang
problem:
- v2.6.37 reboot=bios was needed.
- v2.6.38-rc1: behavior changed, reboot=acpi is needed,
reboot=kbd and reboot=bios results in system hang.
- v2.6.38: VersaLogic patch (e19e074 "x86: Fix reboot problem on
VersaLogic Menlow boards") was applied prior to v2.6.38-rc7. This
patch sets a quirk for VersaLogic Menlow boards that forces the use
of reboot=bios, which doesn't work anymore.
- v3.2: It seems that commit 660e34c ("x86: Reorder reboot method
preferences") changed the default reboot method to acpi prior to
v3.0-rc1, which means the default behavior is appropriate for the
Ocelot. No VersaLogic quirk is required.
The Ocelot board used for testing can successfully reboot w/out
having to pass any reboot= arguments for all 3 current versions
of the BIOS.
Signed-off-by: Michael D Labriola <michael.d.labriola@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Michael D Labriola <mlabriol@gdeb.com>
Cc: Kushal Koolwal <kushalkoolwal@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/87vcnub9hu.fsf@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Skip DMI checks for vendor specific reboot quirks if the user
passed in a reboot= arg on the command line - we should never
override user choices.
Signed-off-by: Michael D Labriola <michael.d.labriola@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Michael D Labriola <mlabriol@gdeb.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/87wr8ab9od.fsf@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* 'stable/for-linus-fixes-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/granttable: Disable grant v2 for HVM domains.
x86: xen: size struct xen_spinlock to always fit in arch_spinlock_t
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm: (31 commits)
ARM: 7304/1: ioremap: fix boundary check when reusing static mapping
ARM: 7301/1: Rename the T() macro to TUSER() to avoid namespace conflicts
ARM: 7299/1: ftrace: clear zero bit in reported IPs for Thumb-2
ARM: 7298/1: realview: fix mapping of MPCore private memory region
PCMCIA: fix sa1111 oops on remove
ARM: 7288/1: mach-sa1100: add missing module_init() call
ARM: 7297/1: smp_twd: make sure timer is stopped before registering it
ARM: 7296/1: proc-v7.S: remove HARVARD_CACHE preprocessor guards
ARM: 7295/1: cortex-a7: move proc_info out of !CONFIG_ARM_LPAE block
ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP
ARM: 7291/1: cache: assume 64-byte L1 cachelines for ARMv7 CPUs
ARM: 7290/1: vmlinux.lds.S: align the exception fixup table to a 4-byte boundary
ARM: 7289/1: vmlinux.lds.S: do not hardcode cacheline size as 32 bytes
MFD: ucb1x00-ts: fix resume failure
MFD: ucb1x00-core: fix gpiolib direction_output handling
MFD: ucb1x00-core: fix missing restore of io output data on resume
MFD: mcp-core: fix mcp_priv() to be more type safe
MFD: mcp-core: fix complaints from the genirq layer
Revert "ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus."
Revert "ARM: sa1100: Refactor mcp-sa11x0 to use platform resources."
...
Fix up conflict due to arch/arm/mach-mx5/Kconfig having been merged into
mach-imx5 (commit 784a90c0a7: "ARM i.MX: Merge i.MX5 support into
mach-imx"), but the ARM_L1_CACHE_SHIFT_6 entry was moved to be driven by
the CPU_V7 logic from it in the old location in rmk's branch (commit
a092f2b153: "ARM: 7291/1: cache: assume 64-byte L1 cachelines for
ARMv7 CPUs").
AT91 needed reset fixes which resulted in some minor code refactoring,
it also adds a feature-removal for one of their platforms for 3.4.
The USB patches have been acked by Greg K-H.
i.MX and ux500 both have some minor fixes, nothing controversial.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
arm-soc fixes for 3.3-rc:
AT91 needed reset fixes which resulted in some minor code refactoring,
it also adds a feature-removal for one of their platforms for 3.4.
The USB patches have been acked by Greg K-H.
i.MX and ux500 both have some minor fixes, nothing controversial.
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
arch/arm/mach-imx/mach-mx53_ard.c: add missing iounmap
ARM: imx: iomux-v1.h: Fix build error due to __init annotation
ARM: at91: Fix at91sam9g45 and at91cap9 reset
ARM: at91: make rstc soc independent
ARM: at91: introduce AT91_SAM9_ALT_RESET to select the at91sam9 alternative reset
ARM: at91: merge at91cap9_ddrsdr.h in at91sam9_ddrsdr.h
ARM: at91: fix cap9 ddrsdr register
ARM/USB: at91/ohci-at91: rename vbus_pin_inverted to vbus_pin_active_low
USB: at91: fix clk_get error handling
ARM: at91: removal of CAP9 SoC family
ARM: at91: fix at91rm9200 soc subtype handling
mach-ux500: no MMC_CAP_SD_HIGHSPEED on Snowball
mach-ux500: enable ARM errata 764369
mach-ux500: do not override outer.inv_all
mach-ux500: musb: now musb is always in OTG mode
ARM: imx6: add missing twd_clk for imx6q clock
Smatch complains that we have some inconsistent NULL checking.
If "task" were NULL then it would lead to a NULL dereference
later. We can remove this test because earlier on in the
function we have:
if (!task)
task = current;
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Clemens Ladisch <clemens@ladisch.de>
Link: http://lkml.kernel.org/r/20120128105246.GA25092@elgon.mountain
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Since commit 576d2f2525 "ARM: add
generic ioremap optimization by reusing static mappings" ioremap()
is trying to reuse existing static mapping when possible.
The condition checking boundaries of the requested and existing
mappings didn't take in-page offset into consideration though,
which lead to obscure and hard to debug problems when requested
mapping crossed end of the static one.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 5a05a8200a ("davinci_emac:
use an unique MDIO bus name") introduced during the v3.3 merge
window updated the davinci mdio bus name to make it unique.
Update the bus name in board files which use DaVinci MDIO bus
to match the new name. Without this PHY is not detected with
error like:
PHY 0:01 not found
net eth0: could not connect to phy 0:01
Tested on DM365 and DA850 EVMs.
Cc: Florian Fainelli <florian@openwrt.org>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...
* 'fixes-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
mach-ux500: no MMC_CAP_SD_HIGHSPEED on Snowball
mach-ux500: enable ARM errata 764369
mach-ux500: do not override outer.inv_all
mach-ux500: musb: now musb is always in OTG mode
Commit 4a858cfc9a (arm: convert sysdev_class to a regular subsystem)
converted the samsung sysdevs into subsys_interface instances.
While the original add-function only had a (struct sys_device *)
parameter, the dev_add from subsys_interface needs
(struct device *, struct subsys_interface *)
leading to "initialized from incompatible pointer type" warnings.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The new spi-sh driver decodes the IORESOURCE_MEM_TYPE_MASK. So, the
resource needs the IORESOURCE_MEM_32BIT.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Fix compilation breakage
arch/sh/boards/mach-se/7724/setup.c:182: error: 'V4L2_PIX_FMT_RGB565' undeclared here (not in a function)
make[3]: *** [arch/sh/boards/mach-se/7724/setup.o] Error 1
caused by commit "fbdev: sh_mobile_lcdc: Support FOURCC-based format API"
Also add other missing headers, even if compilation currently succeeds
because of their indirect inclusion via other headers.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Fixed following build warning with exynos4_defconfig.
arch/arm/mach-exynos/clock.c:33: warning: 'exynos4_clock_save' defined but not used
arch/arm/mach-exynos/clock-exynos4210.c:35: warning: 'exynos4210_clock_save' defined but not used
arch/arm/mach-exynos/clock-exynos4212.c:35: warning: 'exynos4212_clock_save' defined but not used
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The common static default_i2c_data structure gets bus_num set by each
s3c_i2c?_set_platdata() call, except for s3c_i2c0_set_platdata(). Thus
if for instance s3c_i2c1_set_platdata() is called prior to
s3c_i2c0_set_platdata() the I2C0 controller has bus_num set to wrong value
of 1, i.e. the one from previous set_platdata call. Fix this by also setting
bus_num for I2C0.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch fixes the following build issue, which happens only if
SMP has been disabled:
arch/arm/mach-exynos/built-in.o: In function `exynos4_pm_resume':
arch/arm/mach-exynos/pm.c:387: undefined reference to `scu_enable'
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
When the S3C64xx CPUs were converted to clkdev mappings were added for the
I2C controllers on them. On S3C6410 a device name is specified for I2C
controller 1 but not for controller 0 which makes the code less robust as
we'll falsely return the clock for controller 0 if there's an error in the
request for controller 1.
Improve things by registering a device name for controller 0 as well. Due
to the fact that we change the numbering for controller 0 depending on if
we've registered controller 1 this requires an ifdef to choose the name.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Now that it's in common.c it's not used in multiple source files.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add missing iounmap in error handling code, in a case where the function
already preforms iounmap on some other execution path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
statement S,S1;
int ret;
@@
e = \(ioremap\|ioremap_nocache\)(...)
... when != iounmap(e)
if (<+...e...+>) S
... when any
when != iounmap(e)
*if (...)
{ ... when != iounmap(e)
return ...; }
... when any
iounmap(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>
pdata needs to be freed before leaving the function in an error case.
A simplified version of the semantic match that finds the problem is as
follows: (http://coccinelle.lip6.fr)
// <smpl>
@r exists@
local idexpression x;
statement S;
identifier f1;
position p1,p2;
expression *ptr != NULL;
@@
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
when != if (...) { <+...x...+> }
x->f1
...>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently MMC2 setup code can only enable loopback clock and
relies on reset value for boards that need to have it disabled.
This causes a problem with certain bootloaders that always enable
that clock, resulting with unwanted bootloader dependencies.
Fix this by making it disable the clock if board data says so.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>
hsmmc23_before_set_reg() can set MMCSDIO2ADPCLKISEL bit, which
enables internal clock for MMC2. Currently this function is also called
by code handling MMC3, and if .internal_clock is set in platform data
(by default it currently is), it will set MMCSDIO2ADPCLKISEL for MMC2
instead of MMC3 (MMC3 doesn't have such bit so nothing actually needs to
be done). This breaks 2nd SD slot on pandora.
Fix this by changing hsmmc23_before_set_reg() to only handle MMC2.
Note that this removes .remux() call for MMC3, but no board currently
needs it and it's also not called for MMC4 and MMC5.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
following statement can only change device size from 8-bit(0) to 16-bit(1),
but not vice versa:
regval |= GPMC_CONFIG1_DEVICESIZE(wval);
so as this field has 1 reserved bit, that could be used in future,
just clear both bits and then OR with the desired value
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 2f0778af (ARM: 7205/2: sched_clock: allow sched_clock to be
selected at runtime) had a typo for the case when CONFIG_OMAP_32K_TIMER
is not set.
In dmtimer_read_sched_clock(), wrong argument was getting passed to
__omap_dm_timer_read_counter() function call; instead of "&clksrc",
we were passing "clksrc.io_base", which results into kernel crash.
To reproduce kernel crash, just disable the CONFIG_OMAP_32K_TIMER config
option (and DEBUG_LL) and build/boot the kernel.
This will use dmtimer as a kernel clocksource and lead to kernel
crash during boot -
[ 0.000000] OMAP clocksource: GPTIMER2 at 26000000 Hz
[ 0.000000] sched_clock: 32 bits at 26MHz, resolution 38ns, wraps every
165191ms
[ 0.000000] Unable to handle kernel paging request at virtual address
00030ef1
[ 0.000000] pgd = c0004000
[ 0.000000] [00030ef1] *pgd=00000000
[ 0.000000] Internal error: Oops: 5 [#1] SMP
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 Not tainted (3.3.0-rc1-11574-g0c76665-dirty #3)
[ 0.000000] PC is at dmtimer_read_sched_clock+0x18/0x4c
[ 0.000000] LR is at update_sched_clock+0x10/0x84
[ 0.000000] pc : [<c00243b8>] lr : [<c0018684>] psr: 200001d3
[ 0.000000] sp : c0641f38 ip : c0641e18 fp : 0000000a
[ 0.000000] r10: 151c3303 r9 : 00000026 r8 : 76276259
[ 0.000000] r7 : 00028547 r6 : c065ac80 r5 : 431bde82 r4 : c0655968
[ 0.000000] r3 : 00030ef1 r2 : fb032000 r1 : 00000028 r0 : 00000001
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode_amd: Add support for CPU family specific container files
x86/amd: Add missing feature flag for fam15h models 10h-1fh processors
x86/boot-image: Don't leak phdrs in arch/x86/boot/compressed/misc.c::Parse_elf()
x86/numachip: Drop unnecessary conflict with EDAC
x86/uv: Fix uninitialized spinlocks
x86/uv: Fix uv_gpa_to_soc_phys_ram() shift
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix assembler constraint to prevent overeager gcc optimisation
mac_esp: rename irq
mac_scsi: dont enable mac_scsi irq before requesting it
macfb: fix black and white modes
m68k/irq: Remove obsolete IRQ_FLG_* definitions
Fix up trivial conflict in arch/m68k/kernel/process_mm.c as per Geert.
rsyslog will display KERN_EMERG messages on a connected
terminal. However, these messages are useless/undecipherable
for a general user.
For example, after a softlockup we get:
Message from syslogd@intel-s3e37-04 at Jan 25 14:18:06 ...
kernel:Stack:
Message from syslogd@intel-s3e37-04 at Jan 25 14:18:06 ...
kernel:Call Trace:
Message from syslogd@intel-s3e37-04 at Jan 25 14:18:06 ...
kernel:Code: ff ff a8 08 75 25 31 d2 48 8d 86 38 e0 ff ff 48 89
d1 0f 01 c8 0f ae f0 48 8b 86 38 e0 ff ff a8 08 75 08 b1 01 4c 89 e0 0f 01 c9 <e8> ea 69 dd ff 4c 29 e8 48 89 c7 e8 0f bc da ff 49 89 c4 49 89
This happens because the printk levels for these messages are
incorrect. Only an informational message should be displayed on
a terminal.
I modified the printk levels for various messages in the kernel
and tested the output by using the drivers/misc/lkdtm.c kernel
modules (ie, softlockups, panics, hard lockups, etc.) and
confirmed that the console output was still the same and that
the output to the terminals was correct.
For example, in the case of a softlockup we now see the much
more informative:
Message from syslogd@intel-s3e37-04 at Jan 25 10:18:06 ...
BUG: soft lockup - CPU4 stuck for 60s!
instead of the above confusing messages.
AFAICT, the messages no longer have to be KERN_EMERG. In the
most important case of a panic we set console_verbose(). As for
the other less severe cases the correct data is output to the
console and /var/log/messages.
Successfully tested by me using the drivers/misc/lkdtm.c module.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: dzickus@redhat.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1327586134-11926-1-git-send-email-prarit@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Quite oddly, all of the arguments passed through from the top
level macros to the second level which didn't need parentheses
had them, while the only expression (involving a parameter)
needing them didn't.
Very recently I got bitten by the lack thereof when using
something like "array + index" for the first operand, with
"array" being an array more narrow than int.
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/4F2183A9020000780006F3E6@nat28.tlf.novell.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Add missing iounmap in error handling code, in a case where the function
already preforms iounmap on some other execution path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
statement S,S1;
int ret;
@@
e = \(ioremap\|ioremap_nocache\)(...)
... when != iounmap(e)
if (<+...e...+>) S
... when any
when != iounmap(e)
*if (...)
{ ... when != iounmap(e)
return ...; }
... when any
iounmap(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Fix the following build error found when building imx_v4_v5_defconfig:
CC arch/arm/mach-imx/mach-imx27ipcam.o
In file included from arch/arm/plat-mxc/include/mach/iomux-mx27.h:23,
from arch/arm/mach-imx/mach-imx27ipcam.c:22:
arch/arm/plat-mxc/include/mach/iomux-v1.h:99: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'imx_iomuxv1_init'
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
A hardware bug in the OMAP4 HDMI PHY causes physical damage to the board
if the HDMI PHY is kept powered on when the cable is not connected.
This patch solves the problem by adding hot-plug-detection into the HDMI
IP driver. This is not a real HPD support in the sense that nobody else
than the IP driver gets to know about the HPD events, but is only meant
to fix the HW bug.
The strategy is simple: If the display device is turned off by the user,
the PHY power is set to OFF. When the display device is turned on by the
user, the PHY power is set either to LDOON or TXON, depending on whether
the HDMI cable is connected.
The reason to avoid PHY OFF when the display device is on, but the cable
is disconnected, is that when the PHY is turned OFF, the HDMI IP is not
"ticking" and thus the DISPC does not receive pixel clock from the HDMI
IP. This would, for example, prevent any VSYNCs from happening, and
would thus affect the users of omapdss. By using LDOON when the cable is
disconnected we'll avoid the HW bug, but keep the HDMI working as usual
from the user's point of view.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Both Panda and 4430SDP use GPIO 63 as HDMI hot-plug-detect. Configure
this GPIO in the board files.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
The HDMI GPIO pins LS_OE and CT_CP_HPD are not currently configured.
This patch configures them as output pins.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
"hdmi_hpd" pin is muxed to INPUT and PULLUP, but the pin is not
currently used, and in the future when it is used, the pin is used as a
GPIO and is board specific, not an OMAP4 wide thing.
So remove the muxing for now.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
The GPIO 60 on 4430sdp and Panda is not HPD GPIO, as currently marked in
the board files, but CT_CP_HPD, which is used to enable/disable HPD
functionality.
This patch renames the GPIO.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Instead of freeing the GPIOs individually, use gpio_free_array().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
We've decided to provide CPU family specific container files
(starting with CPU family 15h). E.g. for family 15h we have to
load microcode_amd_fam15h.bin instead of microcode_amd.bin
Rationale is that starting with family 15h patch size is larger
than 2KB which was hard coded as maximum patch size in various
microcode loaders (not just Linux).
Container files which include patches larger than 2KB cause
different kinds of trouble with such old patch loaders. Thus we
have to ensure that the default container file provides only
patches with size less than 2KB.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Cc: Borislav Petkov <borislav.petkov@amd.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120120164412.GD24508@alberich.amd.com
[ documented the naming convention and tidied the code a bit. ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
That is the last one missing for those CPUs.
Others were recently added with commits
fb215366b3
(KVM: expose latest Intel cpu new features (BMI1/BMI2/FMA/AVX2) to guest)
and
commit 969df4b829
(x86: Report cpb and eff_freq_ro flags correctly)
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Link: http://lkml.kernel.org/r/20120120163823.GC24508@alberich.amd.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Initialize two spinlocks in tlb_uv.c and also properly define/initialize
the uv_irq_lock.
The lack of explicit initialization seems to be functionally
harmless, but it is diagnosed when these are turned on:
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_LOCKDEP=y
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Cc: <stable@kernel.org>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/E1RnXd1-0003wU-PM@eag09.americas.sgi.com
[ Added the uv_irq_lock initialization fix by Dimitri Sivanich ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
uv_gpa_to_soc_phys_ram() was inadvertently ignoring the
shift values. This fix takes the shift into account.
Signed-off-by: Russ Anderson <rja@sgi.com>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/r/20120119020753.GA7228@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
dss_core has to be initialized before any other DSS hwmod. Currently
this is broken as dss_core is listed in chip/revision specific hwmod
lists while other DSS hwmods are listed in common list which is
registered first.
This patch moves DSS hwmods (except for dss_core) to the separate list
which is registered last to ensure that dss_core is already registered.
This solves the problem with BUG() in L3 interrupt handler on boards
with DSS enabled in bootloader.
The long-term fix to this is to ensure modules are set up in dependency
order in the hwmod core code.
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Archit Taneja <archit@ti.com>
CC: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
[paul@pwsan.com: add notes that this is just a temporary workaround until
hwmod dependencies are added]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Commit 22f51371f8 ("ARM: OMAP3: pm: use
prcm chain handler") breaks the build on a 2420-only config, due to
a missing include for plat/irqs.h:
CC arch/arm/mach-omap2/prm2xxx_3xxx.o
arch/arm/mach-omap2/prm2xxx_3xxx.c:41:11: error: 'INT_34XX_PRCM_MPU_IRQ' undeclared here (not in a function)
Fix by explicitly including it.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Commit 7b250aff1c ("ARM: OMAP: Avoid
cpu_is_omapxxxx usage until map_io is done") breaks the build on a
2420-only config on v3.3-rc1:
arch/arm/mach-omap2/built-in.o: In function `omap2430_init_early':
arch/arm/mach-omap2/io.c:406: undefined reference to `omap2_set_globals_243x'
arch/arm/mach-omap2/io.c:410: undefined reference to `omap243x_clockdomains_init'
arch/arm/mach-omap2/io.c:411: undefined reference to `omap2430_hwmod_init'
Fix by only compiling omap2420_init_early() when CONFIG_SOC_OMAP2420
is selected, and only compiling omap2430_init_early() when
CONFIG_SOC_OMAP2430 is selected.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Tony Lindgren <tony@atomide.com>
To be able to get the memory resources by name from
the DMIC driver (for MPU and for DMA).
Without this patch, functionality that was working in 3.2 breaks in
3.3-rc1. This patch should have gone in as part of the 3.3 merge
window, but was inadvertently missed.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[paul@pwsan.com: added commit message note]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
dispc's sysc_flags is missing SYSC_HAS_ENAWAKEUP flag. This seems to
cause SYNC_LOST errors from the DSS when the power management is
enabled.
This patch adds the missing SYSC_HAS_ENAWAKEUP flag. Note that there are
other flags missing also (clock activity, DSI's sysc flags), but as they
are not critical, they will be fixed in the next merge window.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Currently OMAP2 and 3 share the same omap_hwmod_class and
omap_hwmod_class_sysconfig for dispc. However, OMAP3 has sysconfig
bits that OMAP2 doesn't have, so we need to split those structs into
OMAP2 and OMAP3 specific versions.
This patch only splits the structs, without changing the contents.
This is a prerequisite for a subsequent fix.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
[paul@pwsan.com: added commit note]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This macro is used to generate unprivileged accesses (LDRT/STRT) to user
space.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The dynamic ftrace ops startup test currently fails on Thumb-2 kernels:
Testing tracer function: PASSED
Testing dynamic ftrace: PASSED
Testing dynamic ftrace ops #1: (0 0 0 0 0) FAILED!
This is because while the addresses in the mcount records do not have
the zero bit set, the IP reported by the mcount call does have it set
(because it is copied from the LR). This mismatch causes the ops
filtering in ftrace_ops_list_func() to not call the relevant tracers.
Fix this by clearing the zero bit before adjusting the LR for the mcount
instruction size. Also, combine the mov+sub into a single sub
instruction.
Acked-by: Dave Martin <dave.martin@linaro.org>
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Since commit 0536bdf33f (ARM: move iotable mappings within
the vmalloc region), the RealView PB11MP cannot boot anymore.
This is caused by the way the mappings are described on this
platform (define replaced by hex values for clarity):
{ /* GIC CPU interface mapping */
.virtual = IO_ADDRESS(0x1F000100),
.pfn = __phys_to_pfn(0x1F000100),
.length = SZ_4K,
.type = MT_DEVICE,
}, { /* GIC distributor mapping */
.virtual = IO_ADDRESS(0x1F001000),
.pfn = __phys_to_pfn(0x1F001000),
.length = SZ_4K,
.type = MT_DEVICE,
}
The first mapping ends up reserving two pages, and clashes with
the second one, which triggers a BUG_ON in vm_area_add_early().
In order to solve this problem, treat the MPCore private memory
region (containing the SCU, the GIC and the TWD) as a single region,
as described in the TRM:
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0360f/CACGDJJC.html
The EB11MP is converted the same way, even if it manages to avoid
the problem.
Tested on both PB11MP and EB11MP.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc: Fix build on some non-freescale platforms
powerpc/powernv: Fix PCI resource handling
powerpc/crash: Fix build error without SMP
powerpc/cpuidle: Make it a bool, not a tristate
powerpc/85xx: Add dr_mode property in USB nodes
powerpc/85xx: Enable USB2 controller node for P1020RDB
powerpc/85xx: Fix cmd12 bug and add the chip compatible for eSDHC
arch/powerpc/sysdev/fsl_pci.c: add missing iounmap
powerpc: fix compile error with 85xx/p1022_ds.c
Commit 9deaa53ac7 broke build
on platforms that use legacy_serial.c without also having
CONFIG_SERIAL_8250_FSL enabled due to an unconditional code
to a routine in that module.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Recent changes to the handling of PCI resources for host bridges
are breaking the PowerNV code for assigning resources on IODA.
The root of the problem is that the pci_bus attached to a host
bridge no longer has its "legacy" resource pointers populated
but only uses the newer list instead.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Davem says:
1) Fix JIT code generation on x86-64 for divide by zero, from Eric Dumazet.
2) tg3 header length computation correction from Eric Dumazet.
3) More build and reference counting fixes for socket memory cgroup
code from Glauber Costa.
4) module.h snuck back into a core header after all the hard work we
did to remove that, from Paul Gortmaker and Jesper Dangaard Brouer.
5) Fix PHY naming regression and add some new PCI IDs in stmmac, from
Alessandro Rubini.
6) Netlink message generation fix in new team driver, should only advertise
the entries that changed during events, from Jiri Pirko.
7) SRIOV VF registration and unregistration fixes, and also add a
missing PCI ID, from Roopa Prabhu.
8) Fix infinite loop in tx queue flush code of brcmsmac, from Stanislaw Gruszka.
9) ftgmac100/ftmac100 build fix, missing interrupt.h include.
10) Memory leak fix in net/hyperv do_set_mutlicast() handling, from Wei Yongjun.
11) Off by one fix in netem packet scheduler, from Vijay Subramanian.
12) TCP loss detection fix from Yuchung Cheng.
13) TCP reset packet MD5 calculation uses wrong address, fix from Shawn Lu.
14) skge carrier assertion and DMA mapping fixes from Stephen Hemminger.
15) Congestion recovery undo performed at the wrong spot in BIC and CUBIC
congestion control modules, fix from Neal Cardwell.
16) Ethtool ETHTOOL_GSSET_INFO is unnecessarily restrictive, from Michał Mirosław.
17) Fix triggerable race in ipv6 sysctl handling, from Francesco Ruggeri.
18) Statistics bug fixes in mlx4 from Eugenia Emantayev.
19) rds locking bug fix during info dumps, from your's truly.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
rds: Make rds_sock_lock BH rather than IRQ safe.
netprio_cgroup.h: dont include module.h from other includes
net: flow_dissector.c missing include linux/export.h
team: send only changed options/ports via netlink
net/hyperv: fix possible memory leak in do_set_multicast()
drivers/net: dsa/mv88e6xxx.c files need linux/module.h
stmmac: added PCI identifiers
llc: Fix race condition in llc_ui_recvmsg
stmmac: fix phy naming inconsistency
dsa: Add reporting of silicon revision for Marvell 88E6123/88E6161/88E6165 switches.
tg3: fix ipv6 header length computation
skge: add byte queue limit support
mv643xx_eth: Add Rx Discard and Rx Overrun statistics
bnx2x: fix compilation error with SOE in fw_dump
bnx2x: handle CHIP_REVISION during init_one
bnx2x: allow user to change ring size in ISCSI SD mode
bnx2x: fix Big-Endianess in ethtool -t
bnx2x: fixed ethtool statistics for MF modes
bnx2x: credit-leakage fixup on vlan_mac_del_all
macvlan: fix a possible use after free
...
I could not find cpus_in_crash anywhere in the sourcetree, except for
arch/powerpc/kernel/crash.c. Moving the definition into the CONFIG_SMP
fixes it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
As pointed out, asm/system.h has empty inline implementations for
update_smt_snooze_delay and pseries_notify_cpuidle_add_cpu, which are
used when CONFIG_PSERIES_IDLE is undefined. Since those two functions
are used in core power architecture functions (store_smt_snooze_delay
at kernel/sysfs.c and smp_xics_setup_cpu at platforms/pseries/smp.c),
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
If NR_CPUS < 256 then arch_spinlock_t is only 16 bits wide but struct
xen_spinlock is 32 bits. When a spin lock is contended and
xl->spinners is modified the two bytes immediately after the spin lock
would be corrupted.
This is a regression caused by 84eb950db1
(x86, ticketlock: Clean up types and accessors) which reduced the size
of arch_spinlock_t.
Fix this by making xl->spinners a u8 if NR_CPUS < 256. A
BUILD_BUG_ON() is also added to check the sizes of the two structures
are compatible.
In many cases this was not noticable as there would often be padding
bytes after the lock (e.g., if any of CONFIG_GENERIC_LOCKBREAK,
CONFIG_DEBUG_SPINLOCK, or CONFIG_DEBUG_LOCK_ALLOC were enabled).
The bnx2 driver is affected. In struct bnx2, phy_lock and
indirect_lock may have no padding after them. Contention on phy_lock
would corrupt indirect_lock making it appear locked and the driver
would deadlock.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
CC: stable@kernel.org #only 3.2
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
There's no need to keep the DMA_REQ_SEL defines inside the ifdef.
Fixes the following build break with CONFIG_TEGRA_SYSTEM_DMA=n:
arch/arm/mach-tegra/devices.c:645: error: 'TEGRA_DMA_REQ_SEL_I2S_1' undeclared here (not in a function)
arch/arm/mach-tegra/devices.c:663: error: 'TEGRA_DMA_REQ_SEL_I2S2_1' undeclared here (not in a function)
arch/arm/mach-tegra/devices.c:663: error: initializer element is not constant
arch/arm/mach-tegra/devices.c:663: error: (near initialization for 'i2s_resource2[1].start')
arch/arm/mach-tegra/devices.c:664: error: initializer element is not constant
arch/arm/mach-tegra/devices.c:664: error: (near initialization for 'i2s_resource2[1].end')
Signed-off-by: Olof Johansson <olof@lixom.net>
Acked-by: Stephen Warren <swarren@nvidia.com>
This table is required to support the gpio_to_irq() translation.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Add videodev2 header which provides V4L2_PIX_FMT_RGB565 to fix:
arch/arm/mach-shmobile/board-ag5evm.c:274: error: 'V4L2_PIX_FMT_RGB565' undeclared here (not in a function)
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Merge tag 'arm-soc-imx-move' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Consolidate i.MX 5 platforms to be under the new shared i.MX 3/5/6 tree.
* tag 'arm-soc-imx-move' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM i.MX: Update defconfig
ARM i.MX: Merge i.MX5 support into mach-imx
ARM i.MX5: remove unnecessary includes from board files
Fix up fairly trivial conflicts due to various changes nearby in
arch/arm/{mach,plat}-imx/{Kconfig,Makefile}
Pull request had been sent to the wrong email address, but happened
before the merge window closed. I'm merging the MX 5 consolidation,
since it apparently will help the next development window and will avoid
conflicts later as per Arnd.
If the provided system call number is equal to __NR_syscalls, the
current check will pass and a function pointer just after the system
call table may be called, since sys_call_table is an array with total
size __NR_syscalls.
Whether or not this is a security bug depends on what the compiler puts
immediately after the system call table. It's likely that this won't do
anything bad because there is an additional NULL check on the syscall
entry, but if there happens to be a non-NULL value immediately after the
system call table, this may result in local privilege escalation.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: <stable@vger.kernel.org>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Eugene Teo <eugeneteo@kernel.sg>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kdump only allocates memory for the prstatus ELF note. For s390x,
besides of prstatus multiple ELF notes for various different register
types are stored. Therefore the currently allocated memory is not
sufficient. With this patch the KEXEC_NOTE_BYTES macro can be defined
by architecture code and for s390x it is set to the correct size now.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The Jornada SSP driver is supposed to be initialized by a
module_init() call, but it was missed at some merge point. Since
the driver mostly pass calls through it magically works anyway,
but needs to be rectified.
Cc: Kristoffer Ericson <kristoffer.ericson@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
On secondary CPUs, the Timer Control Register is not reset
to a sane value before the timer is registered, and the TRM
doesn't seem to indicate any reset value either. In some cases,
the kernel will take an interrupt too early, depending on what
junk was present in the registers at reset time.
The fix is to set the Timer Control Register to 0 before
registering the clock_event_device and enabling the interrupt.
Problem seen on VE (Cortex A5) and Tegra.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
On v7, we use the same cache maintenance instructions for data lines
as for unified lines. This was not the case for v6, where HARVARD_CACHE
was defined to indicate the L1 cache topology.
This patch removes the erroneous compile-time check for HARVARD_CACHE in
proc-v7.S, ensuring that we perform I-side invalidation at boot.
Reported-and-Acked-by: Shawn Guo <shawn.guo@linaro.org>
Cc: stable <stable@vger.kernel.org>
Acked-by: Catalin Marinas <Catalin.Marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The merging of commits 1b6ba46b ("ARM: LPAE: MMU setup for the 3-level
page table format") and b4244738 ("ARM: 7202/1: Add Cortex-A7 proc info")
during the merge window ended up putting the Cortex-A7 proc_info into a
code block guarded by !CONFIG_ARM_LPAE. This makes Cortex-A7 platforms
unbootable when LPAE is enabled.
This patch moves the proc_info structure for Cortex-A7 outside of the
guarded block.
Cc: Pawel Moll <pawel.moll@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
It turns out that the logical CPU mapping is useful even when !CONFIG_SMP
for manipulation of devices like interrupt and power controllers when
running a UP kernel on a CPU other than 0. This can happen when kexecing
a UP image from an SMP kernel.
In the future, multi-cluster systems running AMP configurations will
require something similar for mapping cluster IDs, so it makes sense to
decouple this logic in preparation for this support.
Acked-by: Yang Bai <hamo.by@gmail.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Reported-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
To ensure correct alignment of cacheline-aligned data, the maximum
cacheline size needs to be known at compile time.
Since Cortex-A8 and Cortex-A15 have 64-byte cachelines (and it is likely
that there will be future ARMv7 implementations with the same line size)
then it makes sense to assume that CPU_V7 implies a 64-byte L1 cacheline
size. For CPUs with smaller caches, this will result in some harmless
padding but will help with single zImage work and avoid hitting subtle
bugs with misaligned data structures.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The exception fixup table is currently aligned to a 32-byte boundary.
Whilst this won't cause any problems, the exception_table_entry
structures contain only a pair of unsigned longs, so 4-byte alignment
is all that is required. If the table was walked from start to end,
cacheline alignment may bring some performance benefits, but since a
binary search is used, the access pattern is random and will not benefit
from a stricter alignment.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The linker script assumes a cacheline size of 32 bytes when aligning
the .data..cacheline_aligned and .data..percpu sections.
This patch updates the script to use L1_CACHE_BYTES, which should be set
to 64 on platforms that require it.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Passing the address of a variable as an operand to an asm statement
doesn't mark the value of this variable as used, so gcc may optimize its
initialisation away. Fix this by using the "m" constraint instead.
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: stable@vger.kernel.org
This reverts commit 5dd7bf59e0.
Conflicts:
scripts/mod/file2alias.c
This change is wrong on many levels. First and foremost, it causes a
regression. On boot on Assabet, which this patch gives a codec id of
'ucb1x00', it gives:
ucb1x00 ID not found: 1005
0x1005 is a valid ID for the UCB1300 device.
Secondly, this patch is way over the top in terms of complexity. The
only device which has been seen to be connected with this MCP code is
the UCB1x00 (UCB1200, UCB1300 etc) devices, and they all use the same
driver. Adding a match table, requiring the codec string to match the
hardware ID read out of the ID register, etc is completely over the top
when we can just read the hardware ID register.
DA850: sysclk4-7 only exist for pll0. for pll1 sysclk1-3 exist.
Remove the non-existing clocks.
Signed-off-by: Bas van den Berg <b.van.den.berg.nl@gmail.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
warning: (MACH_OMAP3_TOUCHBOOK && DRM_RADEON_KMS && DRM_I915 &&
STUB_POULSBO && FB_BACKLIGHT && USB_APPLEDISPLAY && FB_OLPC_DCON &&
ASUS_LAPTOP && SONY_LAPTOP && THINKPAD_ACPI && EEEPC_LAPTOP &&
ACPI_ASUS && ACPI_CMPC && SAMSUNG_Q10) selects BACKLIGHT_CLASS_DEVICE
which has unmet direct dependencies (HAS_IOMEM && BACKLIGHT_LCD_SUPPORT)
A lot of boards need BACKLIGHT_CLASS_DEVICE for the framebuffers to
work, but it's not *needed* for the device itself. It might be nice to
enable it by default somewhoe if graphics stuff is enabled, but that's
another story.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
As on the other sam9 we need to cleanly shutdown the DDRAM before rebooting.
On those SoC the SDRAM/DDRAM controller is different. So, the assembly code
ends up being not cleanly combined with previous at91sam9_alt_restart function.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Currently setting it to PQFP changes subtype to BGA as subtypes are
swapped in at91rm9200_set_type().
Wrong subtype causes GPIO bank D not to work at all.
After this fix, subtype is still set as unknown. But board code should
fill it in with proper value. Another information is thus printed.
Bug discovery and first implementation made by Veli-Pekka Peltola.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: stable <stable@vger.kernel.org>
MMC_CAP_SD_HIGHSPEED is not supported on Snowball board resulting on
initialization errors.
Cc: stable@kernel.org
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Fredrik Soderstedt <fredrik.soderstedt@stericsson.com>
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This applies ARM errata 764369 for all ux500 platforms.
Cc: stable@kernel.org
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Invalidating outer cache without disabling it is a big
nono, and so, remove the machine specific outer.inv_all
And at the same time it does not prevent us overriding
outer.disable as we do not have any such secure SMI to
handle the same while kexec disables the outer cache.
Signed-off-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This change is needed after 622859634 "usb: musb: drop a
gigantic amount of ifdeferry", where CONFIG_USB_MUSB_PERIPHERAL
& CONFIG_USB_MUSB_HOST has been removed.
Signed-off-by: Philippe Langlais <philippe.langlais@linaro.org>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This tiny patch adds generic atomic64 support for the Microblaze
architecture.
The patch is against the latest linux-2.6-microblaze tree. It also
fixes the kernel build for microblaze:
Error log:
CC kernel/trace/trace_clock.o
kernel/trace/trace_clock.c:117: error: expected '=', ',', ';', 'asm'
or '__attribute__' before 'trace_counter'
kernel/trace/trace_clock.c: In function 'trace_clock_counter':
kernel/trace/trace_clock.c:126: error: implicit declaration of
function 'atomic64_add_return'
kernel/trace/trace_clock.c:126: error: 'trace_counter' undeclared
(first use in this function)
kernel/trace/trace_clock.c:126: error: (Each undeclared identifier is
reported only once
kernel/trace/trace_clock.c:126: error: for each function it appears in.)
make[2]: *** [kernel/trace/trace_clock.o] Error 1
make[1]: *** [kernel/trace] Error 2
make: *** [kernel] Error 2
Signed-off-by: Ariane Keller <ariane.keller@tik.ee.ethz.ch>
Signed-off-by: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
Signed-off-by: Michal Simek <monstr@monstr.eu>
With commit 5def51b (ARM: 7211/1: smp_twd: get the rate from a clock)
hitting mainline, if we do not have a twd_clk for lookup, we will see
the following error message in boot log.
smp_twd: clock not found: -2
Actually we should add this clock regardless of the error message,
so that we can:
* Avoid the local timer calibrating at boot time
* Make the local timer cpufreq aware on imx6q
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/accounting, proc: Fix /proc/stat interrupts sum
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracepoints/module: Fix disabling tracepoints with taint CRAP or OOT
x86/kprobes: Add arch/x86/tools/insn_sanity to .gitignore
x86/kprobes: Fix typo transferred from Intel manual
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
x86, tsc: Fix SMI induced variation in quick_pit_calibrate()
x86, opcode: ANDN and Group 17 in x86-opcode-map.txt
x86/kconfig: Move the ZONE_DMA entry under a menu
x86/UV2: Add accounting for BAU strong nacks
x86/UV2: Ack BAU interrupt earlier
x86/UV2: Remove stale no-resources test for UV2 BAU
x86/UV2: Work around BAU bug
x86/UV2: Fix BAU destination timeout initialization
x86/UV2: Fix new UV2 hardware by using native UV2 broadcast mode
x86: Get rid of dubious one-bit signed bitfield
In checkin
303395ac3b x86: Generate system call tables and unistd_*.h from tables
the feature macros in <asm/unistd.h> were unified between 32 and 64
bits. Unfortunately 32 bits requires __ARCH_WANT_SYS_IPC and this was
inadvertently dropped.
Reported-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/CALLzPKbeXN5gdngo8uYYU8mAow=XhrwBFBhKfG811f37BubQOg@mail.gmail.com
Fix the following build warning:
CC arch/arm/kernel/setup.o
In file included from arch/arm/kernel/setup.c:39:
arch/arm/include/asm/elf.h:102:1: warning: "vmcore_elf64_check_arch" redefined
In file included from arch/arm/kernel/setup.c:24:
include/linux/crash_dump.h:30:1: warning: this is the location of the previous definition
Since commit 93a72052 (crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn)
the inclusion of <linux/crash_dump.h> is no longer needed.
Remove the inclusion of <linux/crash_dump.h> and the build warning is fixed.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
All other ports use "Kernel code" to identify the Kernel text segment
in /proc/iomem. Change the ARM resources to do the same.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
We can stall RCU processing on SMP platforms if a CPU sits in its idle
loop for a long time. This happens because we don't call irq_enter()
and irq_exit() around generic_smp_call_function_interrupt() and
friends. Add the necessary calls, and remove the one from within
ipi_timer(), so that they're all in a common place.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
WARNING: vmlinux.o(.text+0x1bc9c): Section mismatch in reference from the function ct_ca9x4_init_cpu_map() to the function .init.text:scu_get_core_count()
The function ct_ca9x4_init_cpu_map() references
the function __init scu_get_core_count().
WARNING: vmlinux.o(.text+0x1bce8): Section mismatch in reference from the function ct_ca9x4_init_cpu_map() to the function .init.text:set_smp_cross_call()
The function ct_ca9x4_init_cpu_map() references
the function __init set_smp_cross_call().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 716a3dc200 (ARM: Add arm_memblock_steal() to allocate memory
away from the kernel) added a function which calls memblock_alloc().
This causes a section conflict:
WARNING: vmlinux.o(.text+0xc614): Section mismatch in reference from the function arm_memblock_steal() to the function .init.text:memblock_alloc()
The function arm_memblock_steal() references
the function __init memblock_alloc().
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
WARNING: arch/arm/mach-sa1100/built-in.o(.data+0x11b8): Section mismatch in reference from the variable sa1100_driver to the function .init.text:sa1100_cpu_init()
The variable sa1100_driver references
the function __init sa1100_cpu_init()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
f408c985ce (GPIO: sa1100: implement proper gpiolib gpio_to_irq conversion)
made gpio_to_irq() a function. This breaks collie where it's used to
initialize some static data. Fix that by moving the initialization to
the init code.
arch/arm/mach-sa1100/collie.c:139: error: initializer element is not constant
arch/arm/mach-sa1100/collie.c:139: error: (near initialization for 'collie_power_resource[0].start')
arch/arm/mach-sa1100/collie.c:140: error: initializer element is not constant
arch/arm/mach-sa1100/collie.c:140: error: (near initialization for 'collie_power_resource[0].end')
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This reverts commit 7cea00657d.
The sa1100 cleanups fatally broke the SA1100 RTC driver - the first
hint that something is wrong are these compiler warnings:
drivers/rtc/rtc-sa1100.c:42:1: warning: "RCNR" redefined
In file included from arch/arm/mach-sa1100/include/mach/hardware.h:73,
from drivers/rtc/rtc-sa1100.c:35:
arch/arm/mach-sa1100/include/mach/SA-1100.h:877:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:43:1: warning: "RTAR" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:876:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:44:1: warning: "RTSR" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:879:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:45:1: warning: "RTTR" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:878:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:47:1: warning: "RTSR_HZE" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:891:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:48:1: warning: "RTSR_ALE" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:890:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:49:1: warning: "RTSR_HZ" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:889:1: warning: this is the location of the previous definition
drivers/rtc/rtc-sa1100.c:50:1: warning: "RTSR_AL" redefined
arch/arm/mach-sa1100/include/mach/SA-1100.h:888:1: warning: this is the location of the previous definition
and the second problem, which is far more severe, are the different
register layouts, resulting in the wrong registers being read on
SA11x0 platforms. This patch adds:
#define RCNR 0x00 /* RTC Count Register */
#define RTAR 0x04 /* RTC Alarm Register */
#define RTSR 0x08 /* RTC Status Register */
#define RTTR 0x0c /* RTC Timer Trim Register */
but the SA11x0 registers are:
#define RTAR __REG(0x90010000) /* RTC Alarm Reg. */
#define RCNR __REG(0x90010004) /* RTC CouNt Reg. */
#define RTTR __REG(0x90010008) /* RTC Trim Reg. */
#define RTSR __REG(0x90010010) /* RTC Status Reg. */
Randy Dunlap reports that we get
arch/x86/um/shared/sysdep/ptrace.h:7:20: error: redefinition of 'regs_return_value'
arch/x86/um/shared/sysdep/ptrace.h:7:20: note: previous definition of 'regs_return_value' was here
when compiling UML for x86-64.
Stephen Rothwell root-caused it and says:
"Caused by commit d7e7528bcd ("Audit: push audit success and retcode
into arch ptrace.h") (another patch that was never in linux-next :-().
This file now needs protection against double inclusion."
so let's do as the man says.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Analyzed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
current ak4642 needs amixer settings for playing which was not
needed on old kernel.
This patch show it on comment area
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Current renesas_usbhs driver can use both USB host/gadget.
This patch removes current r8a66597_hcd driver settings,
and adds renesas_usbhs host driver settings for mackerel USB1 port.
You can still use this port as "gadget" with small modify.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This includes initial support for the recently published ACPI 5.0 spec.
In particular, support for the "hardware-reduced" bit that eliminates
the dependency on legacy hardware.
APEI has patches resulting from testing on real hardware.
Plus other random fixes.
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (52 commits)
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
ACPI processor: Remove unneeded cpuidle_unregister_driver call
intel idle: Make idle driver more robust
intel_idle: Fix a cast to pointer from integer of different size warning in intel_idle
ACPI: kernel-parameters.txt : Add intel_idle.max_cstate
intel_idle: remove redundant local_irq_disable() call
ACPI processor: Fix error path, also remove sysdev link
ACPI: processor: fix acpi_get_cpuid for UP processor
intel_idle: fix API misuse
ACPI APEI: Convert atomicio routines
ACPI: Export interfaces for ioremapping/iounmapping ACPI registers
ACPI: Fix possible alignment issues with GAS 'address' references
ACPI, ia64: Use SRAT table rev to use 8bit or 16/32bit PXM fields (ia64)
ACPI, x86: Use SRAT table rev to use 8bit or 32bit PXM fields (x86/x86-64)
ACPI: Store SRAT table revision
ACPI, APEI, Resolve false conflict between ACPI NVS and APEI
ACPI, Record ACPI NVS regions
ACPI, APEI, EINJ, Refine the fix of resource conflict
...
Several problems fixed in this patch :
1) Target of the conditional jump in case a divide by 0 is performed
by a bpf is wrong.
2) Must 'generate' the full function prologue/epilogue at pass=0,
or else we can stop too early in pass=1 if the proglen doesnt change.
(if the increase of prologue/epilogue equals decrease of all
instructions length because some jumps are converted to near jumps)
3) Change the wrong length detection at the end of code generation to
issue a more explicit message, no need for a full stack trace.
Reported-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vmlinux file for s390 contains a currently unused entry point,
which is specified in two different locations: the linker script
and the makefile. As it happens both definitions are different and
the linker file is broken (_start does not exist) and the makefile
specifies an entry point which makes no sense (the SALIPL loader
entry point).
So lets get rid of one definition (the makefile) and use the entry
point of all other ipl methods (0x10000 -> startup) to be consistent.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Enable USB2 controller node for P1020RDB. USB2 controller is used only
when board boots from SPI or SD as it is muxed with eLBC
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
According to latest kernel, the auto-cmd12 property should be
"sdhci,auto-cmd12", and according to the SDHC binding and the workaround for
the special chip, add the chip compatible for eSDHC: "fsl,p1022-esdhc",
"fsl,mpc8536-esdhc", "fsl,p1020-esdhc", "fsl,p2020-esdhc" and
"fsl,p1010-esdhc".
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Specifying MMCIF DMA slave IDs via a struct sh_mmcif_dma instance is
deprecated. Update sh7757lcr to specify slave IDs embedded in
struct sh_mmcif_plat_data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Some fallout from the 3.3. merge window as well as a couple bug fixes
for older preexisting bugs that seem valid to include at this time:
* sched_clock changes broke picoxcell, fix included
* BSYM bugs causing issues with thumb2-built kernels on SMP
* Missing module.h include on msm.
* A collection of bugfixes for samsung platforms that didn't make it into
the first pull requests.
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Merge tag 'arm-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
ARM: fixes for ARM platforms
Some fallout from the 3.3. merge window as well as a couple bug fixes
for older preexisting bugs that seem valid to include at this time:
* sched_clock changes broke picoxcell, fix included
* BSYM bugs causing issues with thumb2-built kernels on SMP
* Missing module.h include on msm.
* A collection of bugfixes for samsung platforms that didn't make it into
the first pull requests.
* tag 'arm-soc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: make BSYM macro assembly only
ARM: highbank: remove incorrect BSYM usage
ARM: imx: remove incorrect BSYM usage
ARM: exynos: remove incorrect BSYM usage
ARM: ux500: add missing ENDPROC to headsmp.S
ARM: msm: Add missing ENDPROC to headsmp.S
ARM: versatile: Add missing ENDPROC to headsmp.S
ARM: EXYNOS: Invert VCLK polarity for framebuffer on ORIGEN
ARM: S3C64XX: Fix interrupt configuration for PCA935x on Cragganmore
ARM: S3C64XX: Fix the memory mapped GPIOs on Cragganmore
ARM: S3C64XX: Remove hsmmc1 from Cragganmore
ARM: S3C64XX: Remove unconditional power domain disables
ARM: SAMSUNG: Declare struct platform_device in plat/s3c64xx-spi.h
ARM: SAMSUNG: dma-ops.h needs mach/dma.h
ARM: SAMSUNG: Guard against multiple inclusion of plat/dma.h
ARM: picoxcell: fix sched_clock() cleanup fallout
ARM: msm: vreg is a module and so needs module.h
JONGMAN HEO reports:
With current linus git (commit a25a2b84), I got following build error,
arch/x86/kernel/vm86_32.c: In function 'do_sys_vm86':
arch/x86/kernel/vm86_32.c:340: error: implicit declaration of function '__audit_syscall_exit'
make[3]: *** [arch/x86/kernel/vm86_32.o] Error 1
OK, I can reproduce it (32bit allmodconfig with AUDIT=y, AUDITSYSCALL=n)
It's due to commit d7e7528bcd: "Audit: push audit success and retcode
into arch ptrace.h".
Reported-by: JONGMAN HEO <jongman.heo@samsung.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit: (29 commits)
audit: no leading space in audit_log_d_path prefix
audit: treat s_id as an untrusted string
audit: fix signedness bug in audit_log_execve_info()
audit: comparison on interprocess fields
audit: implement all object interfield comparisons
audit: allow interfield comparison between gid and ogid
audit: complex interfield comparison helper
audit: allow interfield comparison in audit rules
Kernel: Audit Support For The ARM Platform
audit: do not call audit_getname on error
audit: only allow tasks to set their loginuid if it is -1
audit: remove task argument to audit_set_loginuid
audit: allow audit matching on inode gid
audit: allow matching on obj_uid
audit: remove audit_finish_fork as it can't be called
audit: reject entry,always rules
audit: inline audit_free to simplify the look of generic code
audit: drop audit_set_macxattr as it doesn't do anything
audit: inline checks for not needing to collect aux records
audit: drop some potentially inadvisable likely notations
...
Use evil merge to fix up grammar mistakes in Kconfig file.
Bad speling and horrible grammar (and copious swearing) is to be
expected, but let's keep it to commit messages and comments, rather than
expose it to users in config help texts or printouts.
Use the simplified method to specify MMCIF DMA slave configuration.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Now when GPIO IRQs are supported on sh73a0 modify the Kota2
board code to switch from the polled "gpio-keys-polled" driver
to the IRQ driven "gpio-keys" driver.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Fix the sh73a0 external IRQ pin code to properly support
CONFIG_SPARSE_IRQ=y by allocating IRQ descriptors for the
cascaded IRQs associated with external IRQ pins.
Without this fix it is impossible to request IRQ0->IRQ31
on the Kota2 board when sparse IRQs are enabled.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Bump up the sh73a0 PINT IRQ base from 768 to 800 to avoid
collision with INTCS vectors for IRQ16->IRQ32 at 0x3xxx.
Without this fix the sh73a0 IRQ pin handling code collides
with the PINT code which results in hangs on Kota2 during boot.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
pit_expect_msb() returns success wrongly in the below SMI scenario:
a. pit_verify_msb() has not yet seen the MSB transition.
b. we are close to the MSB transition though and got a SMI immediately after
returning from pit_verify_msb() which didn't see the MSB transition. PIT MSB
transition has happened somewhere during SMI execution.
c. returned from SMI and we noted down the 'tsc', saw the pit MSB change now and
exited the loop to calculate 'deltatsc'. Instead of noting the TSC at the MSB
transition, we are way off because of the SMI. And as the SMI happened
between the pit_verify_msb() and before the 'tsc' is recorded in the
for loop, 'delattsc' (d1/d2 in quick_pit_calibrate()) will be small and
quick_pit_calibrate() will not notice this error.
Depending on whether SMI disturbance happens while computing d1 or d2, we will
see the TSC calibrated value smaller or bigger than the expected value. As a
result, in a cluster we were seeing a variation of approximately +/- 20MHz in
the calibrated values, resulting in NTP failures.
[ As far as the SMI source is concerned, this is a periodic SMI that gets
disabled after ACPI is enabled by the OS. But the TSC calibration happens
before the ACPI is enabled. ]
To address this, change pit_expect_msb() so that
- the 'tsc' is the TSC in between the two reads that read the MSB
change from the PIT (same as before)
- the 'delta' is the difference in TSC from *before* the MSB changed
to *after* the MSB changed.
Now the delta is twice as big as before (it covers four PIT accesses,
roughly 4us) and quick_pit_calibrate() will loop a bit longer to get
the calibrated value with in the 500ppm precision. As the delta (d1/d2)
covers four PIT accesses, actual calibrated result might be closer to
250ppm precision.
As the loop now takes longer to stabilize, double MAX_QUICK_PIT_MS to 50.
SMI disturbance will showup as much larger delta's and the loop will take
longer than usual for the result to be with in the accepted precision. Or will
fallback to slow PIT calibration if it takes more than 50msec.
Also while we are at this, remove the calibration correction that aims to
get the result to the middle of the error bars. We really don't know which
direction to correct into, so remove it.
Reported-and-tested-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Link: http://lkml.kernel.org/r/1326843337.5291.4.camel@sbsiddha-mobl2
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This patch provides functionality to audit system call events on the
ARM platform. The implementation was based off the structure of the
MIPS platform and information in this
(http://lists.fedoraproject.org/pipermail/arm/2009-October/000382.html)
mailing list thread. The required audit_syscall_exit and
audit_syscall_entry checks were added to ptrace using the standard
registers for system call values (r0 through r3). A thread information
flag was added for auditing (TIF_SYSCALL_AUDIT) and a meta-flag was
added (_TIF_SYSCALL_WORK) to simplify modifications to the syscall
entry/exit. Now, if either the TRACE flag is set or the AUDIT flag is
set, the syscall_trace function will be executed. The prober changes
were made to Kconfig to allow CONFIG_AUDITSYSCALL to be enabled.
Due to platform availability limitations, this patch was only tested
on the Android platform running the modified "android-goldfish-2.6.29"
kernel. A test compile was performed using Code Sourcery's
cross-compilation toolset and the current linux-3.0 stable kernel. The
changes compile without error. I'm hoping, due to the simple modifications,
the patch is "obviously correct".
Signed-off-by: Nathaniel Husted <nhusted@gmail.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
Every arch calls:
if (unlikely(current->audit_context))
audit_syscall_entry()
which requires knowledge about audit (the existance of audit_context) in
the arch code. Just do it all in static inline in audit.h so that arch's
can remain blissfully ignorant.
Signed-off-by: Eric Paris <eparis@redhat.com>
In the ia32entry syscall exit audit fastpath we have assembly code which calls
__audit_syscall_exit directly. This code was, however, zeroes the upper 32
bits of the return code. It then proceeded to call code which expects longs
to be 64bits long. In order to handle code which expects longs to be 64bit we
sign extend the return code if that code is an error. Thus the
__audit_syscall_exit function can correctly handle using the values in
snprintf("%ld"). This fixes the regression introduced in 5cbf1565f2.
Old record:
type=SYSCALL msg=audit(1306197182.256:281): arch=40000003 syscall=192 success=no exit=4294967283
New record:
type=SYSCALL msg=audit(1306197182.256:281): arch=40000003 syscall=192 success=no exit=-13
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
The audit system previously expected arches calling to audit_syscall_exit to
supply as arguments if the syscall was a success and what the return code was.
Audit also provides a helper AUDITSC_RESULT which was supposed to simplify things
by converting from negative retcodes to an audit internal magic value stating
success or failure. This helper was wrong and could indicate that a valid
pointer returned to userspace was a failed syscall. The fix is to fix the
layering foolishness. We now pass audit_syscall_exit a struct pt_reg and it
in turns calls back into arch code to collect the return value and to
determine if the syscall was a success or failure. We also define a generic
is_syscall_success() macro which determines success/failure based on if the
value is < -MAX_ERRNO. This works for arches like x86 which do not use a
separate mechanism to indicate syscall failure.
We make both the is_syscall_success() and regs_return_value() static inlines
instead of macros. The reason is because the audit function must take a void*
for the regs. (uml calls theirs struct uml_pt_regs instead of just struct
pt_regs so audit_syscall_exit can't take a struct pt_regs). Since the audit
function takes a void* we need to use static inlines to cast it back to the
arch correct structure to dereference it.
The other major change is that on some arches, like ia64, MIPS and ppc, we
change regs_return_value() to give us the negative value on syscall failure.
THE only other user of this macro, kretprobe_example.c, won't notice and it
makes the value signed consistently for the audit functions across all archs.
In arch/sh/kernel/ptrace_64.c I see that we were using regs[9] in the old
audit code as the return value. But the ptrace_64.h code defined the macro
regs_return_value() as regs[3]. I have no idea which one is correct, but this
patch now uses the regs_return_value() function, so it now uses regs[3].
For powerpc we previously used regs->result but now use the
regs_return_value() function which uses regs->gprs[3]. regs->gprs[3] is
always positive so the regs_return_value(), much like ia64 makes it negative
before calling the audit code when appropriate.
Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: H. Peter Anvin <hpa@zytor.com> [for x86 portion]
Acked-by: Tony Luck <tony.luck@intel.com> [for ia64]
Acked-by: Richard Weinberger <richard@nod.at> [for uml]
Acked-by: David S. Miller <davem@davemloft.net> [for sparc]
Acked-by: Ralf Baechle <ralf@linux-mips.org> [for mips]
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> [for ppc]
The Intel documentation at
http://software.intel.com/file/36945
shows the ANDN opcode and Group 17 with encoding f2 and f3 encoding
respectively. The current version of x86-opcode-map.txt shows them
with f3 and f4. Unless someone can point to documentation which shows
the currently used encoding the following patch be applied.
Signed-off-by: Ulrich Drepper <drepper@gmail.com>
Link: http://lkml.kernel.org/r/CAOPLpQdq5SuVo9=023CYhbFLAX9rONyjmYq7jJkqc5xwctW5eA@mail.gmail.com
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Add missing iounmap in error handling code, in a case where the function
already preforms iounmap on some other execution path.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
statement S,S1;
int ret;
@@
e = \(ioremap\|ioremap_nocache\)(...)
... when != iounmap(e)
if (<+...e...+>) S
... when any
when != iounmap(e)
*if (...)
{ ... when != iounmap(e)
return ...; }
... when any
iounmap(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Current linux-next compiled with mpc85xx_defconfig causes this:
arch/powerpc/platforms/85xx/p1022_ds.c:341:14: error: 'udbg_progress' undeclared here (not in a function)
Add include to fix this.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
The board has an eMMC chip, so we cannot remove the chip.
In this case, we have to set the MMC_CAP_NONREMOVABLE to the caps
parameter.
Reported-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Move the ZONE_DMA kconfig symbol under a menu item instead
of having it listed before everything else in
"make {xconfig | gconfig | nconfig | menuconfig}".
This drops the first line of the top-level kernel config menu
(in 3.2) below and moves it under "Processor type and features".
[*] DMA memory allocation support
General setup --->
[*] Enable loadable module support --->
[*] Enable the block layer --->
Processor type and features --->
Power management and ACPI options --->
Bus options (PCI etc.) --->
Executable file formats / Emulations --->
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-mm@kvack.org <linux-mm@kvack.org>
Link: http://lkml.kernel.org/r/4F14811E.6090107@xenotime.net
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: David Rientjes <rientjes@google.com>
In SRAT v1, we had 8bit proximity domain (PXM) fields; SRAT v2 provides
32bits for these. The new fields were reserved before.
According to the ACPI spec, the OS must disregrard reserved fields.
ia64 did handle the PXM fields almost consistently, but depending on
sgi's sn2 platform. This patch leaves the sn2 logic in, but does also
use 16/32 bits for PXM if the SRAT has rev 2 or higher.
The patch also adds __init to the two pxm accessor functions, as they
access __initdata now and are called from an __init function only anyway.
Note that the code only uses 16 bits for the PXM field in the processor
proximity field; the patch does not address this as 16 bits are more than
enough.
Signed-off-by: Kurt Garloff <kurt@garloff.de>
Signed-off-by: Len Brown <len.brown@intel.com>
In SRAT v1, we had 8bit proximity domain (PXM) fields; SRAT v2 provides
32bits for these. The new fields were reserved before.
According to the ACPI spec, the OS must disregrard reserved fields.
x86/x86-64 was rather inconsistent prior to this patch; it used 8 bits
for the pxm field in cpu_affinity, but 32 bits in mem_affinity.
This patch makes it consistent: Either use 8 bits consistently (SRAT
rev 1 or lower) or 32 bits (SRAT rev 2 or higher).
cc: x86@kernel.org
Signed-off-by: Kurt Garloff <kurt@garloff.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Some firmware will access memory in ACPI NVS region via APEI. That
is, instructions in APEI ERST/EINJ table will read/write ACPI NVS
region. The original resource conflict checking in APEI code will
check memory/ioport accessed by APEI via general resource management
mechanism. But ACPI NVS region is marked as busy already, so that the
false resource conflict will prevent APEI ERST/EINJ to work.
To fix this, this patch record ACPI NVS regions, so that we can avoid
request resources for memory region inside it.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This patch adds separate accounting of UV2 message "strong
nack's" in the BAU statistics.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116212238.GF5767@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This patch moves the ack of the BAU interrupt to the beginning
of the interrupt handler so that there is less possibility of a
lost interrupt and slower response to a shootdown message.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116212146.GE5767@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This patch removes an unnecessary test for a
no-destination-resources-available condition that looks like a
destination timeout in UV1, but is separately distinguishable in
UV2.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116212050.GD5767@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This patch implements a workaround for a UV2 hardware bug.
The bug is a non-atomic update of a memory-mapped register. When
hardware message delivery and software message acknowledge occur
simultaneously the pending message acknowledge for the arriving
message may be lost. This causes the sender's message status to
stay busy.
Part of the workaround is to not acknowledge a completed message
until it is verified that no other message is actually using the
resource that is mistakenly recorded in the completed message.
Part of the workaround is to test for long elapsed time in such
a busy condition, then handle it by using a spare sending
descriptor. The stay-busy condition is eventually timed out by
hardware, and then the original sending descriptor can be
re-used. Most of that logic change is in keeping track of the
current descriptor and the state of the spares.
The occurrences of the workaround are added to the BAU
statistics.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116211947.GC5767@sgi.com
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Move the call to enable_timeouts() forward so that
BAU_MISC_CONTROL is initialized before using it in
calculate_destination_timeout().
Fix the calculation of a BAU destination timeout
for UV2 (in calculate_destination_timeout()).
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116211848.GB5767@sgi.com
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Update the use of the Broadcast Assist Unit on SGI Altix UV2 to
the use of native UV2 mode on new hardware (not the legacy mode).
UV2 native mode has a different format for a broadcast message.
We also need quick differentiaton between UV1 and UV2.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116211750.GA5767@sgi.com
Cc: <stable@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* 'samsung-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: EXYNOS: Invert VCLK polarity for framebuffer on ORIGEN
ARM: S3C64XX: Fix interrupt configuration for PCA935x on Cragganmore
ARM: S3C64XX: Fix the memory mapped GPIOs on Cragganmore
ARM: S3C64XX: Remove hsmmc1 from Cragganmore
ARM: S3C64XX: Remove unconditional power domain disables
ARM: SAMSUNG: Declare struct platform_device in plat/s3c64xx-spi.h
ARM: SAMSUNG: dma-ops.h needs mach/dma.h
ARM: SAMSUNG: Guard against multiple inclusion of plat/dma.h
* 'x86-syscall-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Move <asm/asm-offsets.h> from trace_syscalls.c to asm/syscall.h
x86, um: Fix typo in 32-bit system call modifications
um: Use $(srctree) not $(KBUILD_SRC)
x86, um: Mark system call tables readonly
x86, um: Use the same style generated syscall tables as native
um: Generate headers before generating user-offsets.s
um: Run host archheaders, allow use of host generated headers
kbuild, headers.sh: Don't make archheaders explicitly
x86, syscall: Allow syscall offset to be symbolic
x86, syscall: Re-fix typo in comment
x86: Simplify syscallhdr.sh
x86: Generate system call tables and unistd_*.h from tables
checksyscalls: Use arch/x86/syscalls/syscall_32.tbl as source
x86: Machine-readable syscall tables and scripts to process them
trace: Include <asm/asm-offsets.h> in trace_syscalls.c
x86-64, ia32: Move compat_ni_syscall into C and its own file
x86-64, syscall: Adjust comment spacing and remove typo
kbuild: Add support for an "archheaders" target
kbuild: Add support for installing generated asm headers
When suspending, there was a large list of warnings going something like:
Device 'machinecheck1' does not have a release() function, it is broken and must be fixed
This patch turns the static mce_devices into dynamically allocated, and
properly frees them when they are removed from the system. It solves
the warning messages on my laptop here.
Reported-by: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Tested-by: Djalal Harouni <tixxdz@opendz.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Borislav Petkov <bp@amd64.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'fixes' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm:
ARM: sa11x0: assabet: fix build warning
ARM: Add arm_memblock_steal() to allocate memory away from the kernel
ARM: 7275/1: LPAE: Check the CPU support for the long descriptor format
ARM: 7274/1: NUC900: Rename nuc900-audio platform device to nuc900-ac97
ARM: 7272/1: S3C24XX: Fix build error for missing <mach/system-reset.h>
ARM: 7271/1: Fix typo in conversion of ARCH_NR_GPIOS to Kconfig
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Hibernate: Drop the check of swap space size for compressed image
PM / shmobile: fix A3SP suspend method
PM / Domains: Skip governor functions for CONFIG_PM_RUNTIME unset
PM / Domains: Fix build for CONFIG_PM_SLEEP unset
PM: Make sysrq-o be available for CONFIG_PM unset
* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
Kbuild: Use dtc's -d (dependency) option
dtc: Implement -d option to write out a dependency file
kbuild: Fix comment in Makefile.lib
scripts/genksyms: clean lex/yacc generated files
kbuild: Correctly deal with make options which contain an "s"
Since a32618d2 (ARM: pgtable: switch to use pgtable-nopud.h), assabet
warns as follows:
arch/arm/mach-sa1100/assabet.c: In function 'map_sa1100_gpio_regs':
arch/arm/mach-sa1100/assabet.c:264: warning: passing argument 1 of 'pmd_offset' from incompatible pointer type
Fix this by adding the necessary pud_offset() macro.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
BSYM macro is only needed for assembly files and its usage in c files is
wrong, so only define it for assembly.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Dave Martin <dave.martin@linaro.org>
BSYM macro is only needed for assembly files and its usage in c files is
wrong, so remove it. The linker will correctly set bit 0 for Thumb2
kernels.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Dave Martin <dave.martin@linaro.org>
BSYM macro is only needed for assembly files and its usage in c files is
wrong, so remove it. The linker will correctly set bit 0 for Thumb2
kernels.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Dave Martin <dave.martin@linaro.org>
