Commit Graph

334844 Commits

Author SHA1 Message Date
Paulo Zanoni
247d89f622 drm/i915: add DP support to intel_ddi_mode_set
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 21:19:22 +02:00
Will Deacon
8f34a1da35 arm64: ptrace: use HW_BREAKPOINT_EMPTY type for disabled breakpoints
If a debugger tries to zero a hardware debug control register, the
kernel will try to infer both the type and length of the breakpoint
in order to sanity-check against the requested regset type. This will
fail because the encoding will appear as a zero-length breakpoint.

This patch changes the control register setting so that disabled
breakpoints are treated as HW_BREAKPOINT_EMPTY and no further
sanity-checking is required.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-18 20:15:34 +01:00
Will Deacon
7797d17c59 arm64: ptrace: make structure padding explicit for debug registers
The user_hwdebug_state structure contains implicit padding to conform to
the alignment requirements of the AArch64 ABI (namely that aggregates
must be aligned to their most aligned member).

This patch fixes the ptrace functions operating on struct
user_hwdebug_state so that the padding is handled correctly.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-18 20:15:31 +01:00
Catalin Marinas
16dd46bb78 arm64: No need to set the x0-x2 registers in start_thread()
For historical reasons, ARM used to set r0-r2 in start_thread() to the
first values on the user stack when starting a new user application. The
same logic has been inherited in AArch64. The x0 register is overridden
by the sys_execve() return value so it's always zero on success. The x1
and x2 registers are ignored by AArch64 and EABI AArch32 applications,
so we can safely remove the register setting for both native and compat
user space.

This also fixes a potential fault with the kernel accessing user space
stack directly.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Al Viro <viro@zeniv.linux.org.uk>
2012-10-18 20:14:01 +01:00
Catalin Marinas
f71a1a4266 arm64: Ignore memory blocks below PHYS_OFFSET
According to Documentation/arm64/booting.txt, the kernel image must be
loaded at a pre-defined offset from the start of RAM so that the kernel
can calculate PHYS_OFFSET based on this address. If the DT contains
memory blocks below this PHYS_OFFSET, report them and ignore the
corresponding memory range.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2012-10-18 20:14:00 +01:00
Catalin Marinas
c60b0c2817 arm64: Fix the update_vsyscall() prototype
With commit 576094b7 (time: Introduce new GENERIC_TIME_VSYSCALL) the old
update_vsyscall() prototype is no longer available. This patch updates
the arm64 port.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: John Stultz <john.stultz@linaro.org>
2012-10-18 20:14:00 +01:00
Catalin Marinas
fea2acaa5c arm64: Select MODULES_USE_ELF_RELA
With commit 786d35d4 (make most arch asm/module.h files use
asm-generic/module.h) arm64 needs to enable MODULES_USE_ELF_RELA for
loadable modules.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Will Deacon <Will.Deacon@arm.com>
2012-10-18 20:11:54 +01:00
Linus Torvalds
d63e210ef1 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS fixes from Ralf Baechle:
 "Random small fixes across the MIPS code."

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: CMP: Fix physical core number calculation logic
  MIPS: JZ4740: Forward declare struct uart_port in header.
  MIPS: JZ4740: Fix '#include guard' in serial.h
  MIPS: hugetlbfs: Fix hazard between tlb write and pagemask restoration.
  MIPS: Restore pagemask after dumping the TLB.
  MIPS: Hugetlbfs: Handle huge pages correctly in pmd_bad()
  MIPS: R5000: Fix TLB hazard handling.
  MIPS: tlbex: Deal with re-definition of label
  MIPS: Make __{,n,u}delay declarations match definitions and generic delay.h
2012-10-18 11:49:39 -07:00
Linus Torvalds
a0a6a39ecb Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc fixes from Benjamin Herrenschmidt:
 "Here are a handful of powerpc related fixes."

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  cpuidle/powerpc: Fix snooze state problem in the cpuidle design on pseries.
  cpuidle/powerpc: Fix smt_snooze_delay functionality.
  cpuidle/powerpc: Fix target residency initialisation in pseries cpuidle
  powerpc: Build fix for powerpc KVM
  Revert "powerpc/perf: Use pmc_overflow() to detect rolled back events"
2012-10-18 11:48:48 -07:00
Linus Torvalds
bab58350e5 DeviceTree fixes for 3.7
A handful of fixes:
 - a fix for dtc from upstream
 - sparse fixes in DeviceTree code
 - stub of_get_child_by_name for !OF builds
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Merge tag 'dt-fixes-for-3.7' of git://sources.calxeda.com/kernel/linux

Pull DeviceTree fixes from Rob Herring:
 "A handful of fixes:
   - a fix for dtc from upstream
   - sparse fixes in DeviceTree code
   - stub of_get_child_by_name for !OF builds"

* tag 'dt-fixes-for-3.7' of git://sources.calxeda.com/kernel/linux:
  dtc: fix for_each_*() to skip first object if deleted
  of/platform: sparse fix
  of/irq: sparse fixes
  of/address: sparse fixes
  of: add stub of_get_child_by_name for non-OF builds
2012-10-18 11:47:53 -07:00
Linus Torvalds
ec351832bc Sound fixes for 3.7-rc2
Significant changes are:
 - A regression fix for the new HD-audio LPIB delay counting,
   VGA-switcheroo race fix
 - ASoC ams-delta fix for the broken driver loading
 
 Otherwise a collection of mostly small / trivial fixes.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Significant changes are:
   - A regression fix for the new HD-audio LPIB delay counting,
     VGA-switcheroo race fix
   - ASoC ams-delta fix for the broken driver loading

  Otherwise a collection of mostly small / trivial fixes."

* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: emu10k1: add chip details for E-mu 1010 PCIe card
  ALSA: hda - Always check array bounds in alc_get_line_out_pfx
  ASoC: bells: Correct typo in sub speaker DAI name for WM5110
  ALSA: hda - Stop LPIB delay counting on broken hardware
  ALSA: hda - Fix registration race of VGA switcheroo
  ALSA: hda - Clean up superfluous position_fix list entries
  ALSA: ac97 - Fix missing NULL check in snd_ac97_cvol_new()
  ASoC: codecs: da9055: Minor improvement in ALC calibration process
  ASoC: dmaengine: Correct Makefile when sound is built as module
  ASoC: fsi: don't reschedule DMA from an atomic context
  ASoC: fix documentation in soc-jack
  ARM: pxa: Fix build error caused by sram.h rename
  ASoC: wm2200: Fix non-inverted OUT2 mute control
  ASoC: wm2200: Use rev A register patches on rev B
  ASoC: bells: Correct typo in sub speaker DAI name for WM5110
  ASoC: ams-delta: Convert to use snd_soc_register_card()
  ASoC: omap-mcpdm: Remove OMAP revision check
  ASoC: Fix wrong include for McPDM
  ASoC: omap-abe-twl6040: Fix typo of Vibrator
  ASoC: twl6040: Fix Stream DAPM mapping
2012-10-18 11:47:07 -07:00
Paulo Zanoni
6547fef887 drm/i915: add DP support to intel_enable_ddi
We should only write the DDI_BUF_CTL at this point for HDMI/DVI. For
DP we need to do this earlier, and the values written to the register
are also different.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 20:43:44 +02:00
Paulo Zanoni
fe43d3f5a3 drm/i915: add DP support to intel_ddi_get_hw_state
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 20:43:44 +02:00
Paulo Zanoni
0bdee30ed3 drm/i915: add DP support to intel_ddi_get_encoder_port
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 20:43:43 +02:00
Paulo Zanoni
750eb99e0e drm/i915: fix DP AUX register definitions on Haswell
The old rule that the AUX registers are just an offset (+4 and +10)
from output_reg is not true anymore, since output_reg in on the CPU
and some AUX regs are on the PCH.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: use the existing #defines as spotted by Damien Lespiau.]
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 20:43:25 +02:00
Michael Walle
1243163494 ARM: kirkwood: fix buttons on lsxl boards
Change event type to switch for the power and autopower switches.
Additionally, this patch aligns the keycodes with the other linkstation
boards already supported by linux.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-10-18 17:07:23 +00:00
Michael Walle
a54841e552 ARM: kirkwood: fix LEDs names for lsxl boards
Don't use the specific board name in a the common device tree include file.
Instead use the common name 'lsxl'.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-10-18 17:07:14 +00:00
Jason Gunthorpe
1e9c06fb2b ARM: Kirkwood: fix disabling CACHE_FEROCEON_L2
Move the CACHE_FEROCEON_L2 test to kirkwood_l2_init, since linking
fails on the reference to feroceon_l2_init.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2012-10-18 17:04:24 +00:00
Bjørn Mork
4b35f1c529 USB: option: add more ZTE devices
Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-18 08:27:21 -07:00
Bjørn Mork
1452df6f1b USB: option: blacklist net interface on ZTE devices
Based on information from the ZTE Windows drivers.

Cc: <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-18 08:27:20 -07:00
Greg Kroah-Hartman
6b7ced68f3 usb: fixes for v3.7-rc2
Here's the first set of fixes for v3.7-rc cycle.
 
 DesignWare Core USB3 Driver (dwc3) got two fixes. The first one fixes a long
 standing bug which would keep endpoint with BUSY flag set forever if we cancel
 a transfer which has already been started by the controller. The second fix
 will just switch PHYs back off when DWC3 driver is removed.
 
 MUSB fixed a bug which would cause a Kernel Oops at least on AM3517 when
 removing a device. For some reason that particular device can fall into a
 situation where you have both Disconnect and Endpoint IRQs happen
 simultaneously (have both bits set in IRQ_STATUS register) and, because
 Disconnect Interrupt is handled before Endpoint Interrupts, we would try to
 transfer data over a disconnected device, thus generating a kernel oops.
 
 Renensas' USB DRD driver got two fixes which are a) fixing an off-by-one bug on
 the pipe iterator implementation and b) fixing Interrupt Status Clear procedure
 in order to properly clear a single Interrupt event without clearing (and
 masking) other events we didn't handle yet.
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Merge tag 'fixes-for-v3.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

usb: fixes for v3.7-rc2

Here's the first set of fixes for v3.7-rc cycle.

DesignWare Core USB3 Driver (dwc3) got two fixes. The first one fixes a long
standing bug which would keep endpoint with BUSY flag set forever if we cancel
a transfer which has already been started by the controller. The second fix
will just switch PHYs back off when DWC3 driver is removed.

MUSB fixed a bug which would cause a Kernel Oops at least on AM3517 when
removing a device. For some reason that particular device can fall into a
situation where you have both Disconnect and Endpoint IRQs happen
simultaneously (have both bits set in IRQ_STATUS register) and, because
Disconnect Interrupt is handled before Endpoint Interrupts, we would try to
transfer data over a disconnected device, thus generating a kernel oops.

Renensas' USB DRD driver got two fixes which are a) fixing an off-by-one bug on
the pipe iterator implementation and b) fixing Interrupt Status Clear procedure
in order to properly clear a single Interrupt event without clearing (and
masking) other events we didn't handle yet.
2012-10-18 08:14:10 -07:00
Alexis R. Cortes
470809741a usb: host: xhci: New system added for Compliance Mode Patch on SN65LVPE502CP
This minor change adds a new system to which the "Fix Compliance Mode
on SN65LVPE502CP Hardware" patch has to be applied also.

System added:
Vendor: Hewlett-Packard. System Model: Z1

Signed-off-by: Alexis R. Cortes <alexis.cortes@ti.com>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-18 08:13:04 -07:00
Johan Hovold
5d8c61bc28 USB: io_ti: fix sysfs-attribute creation
Make sure port data is initialised before creating sysfs attributes to
avoid a race.

A recent patch ("USB: io_ti: fix port-data memory leak") got the
sysfs-attribute creation and port-data initialisation ordering wrong.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-18 08:08:47 -07:00
Johan Hovold
0978c94999 USB: iuu_phoenix: fix sysfs-attribute creation
Make sure sysfs attributes are created at port probe.

A recent patch ("USB: iuu_phoenix: fix port-data memory leak") removed
the sysfs-attribute creation by mistake.

Reported-by: Yuanhan Liu <yuanhan.liu@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-18 08:08:47 -07:00
Chris Wilson
16995a9fe1 drm/i915: Clear FORCEWAKE when taking over from BIOS
Some BIOSes may forcibly suspend RC6 during their operation which
trigger a warning as we find the hardware in a perplexing state upon
first use. So far that appears to be the worst symptom as fortuituously
we use the same values as the BIOS for programming the FORCEWAKE register.

Reported-by: Oleksij Rempel <bug-track@fisher-privat.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 14:36:08 +02:00
Daniel Vetter
7fdd74ab80 drm/i915: don't save/restor ADPA for kms
We now no longer rely on this.

This is step 1 on a long journey to rid us of the save/restore
madness, which tends to lightly paper over many issues, and cause
tons of bad things itself ...

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
[danvet: satisfy Paulo's ocd and drop the needless braces.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 14:34:00 +02:00
Daniel Vetter
2e9388923e drm/i915/crt: explicitly set up HOTPLUG_BITS on resume
... instead of relying on the register save/restore madness to do this.

To extract a bit of code call drm_mode_config_reset both on resume
and boot-up and move the hw state frobbing from the crt_init to the
->reset callback. The crt connector is the only one with a ->reset
callback, hence we can easily do this.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 14:30:06 +02:00
Daniel Vetter
912d812e84 drm/i915/crt: don't set HOTPLUG bits on !PCH
... since they don't apply to pre-pch platforms and could actually be
harmful.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-10-18 14:20:40 +02:00
jerin jacob
0cc40dac86 MIPS: CMP: Fix physical core number calculation logic
The CPUNum Field in EBase register is 10bit wide, so after 1 bit right
shift, the mask value should be 0x1ff.

Signed-off-by: jerin jacob <jerinjacobk@gmail.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/4420/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-10-18 11:45:41 +02:00
Olof Johansson
b55a7a5fbf Depends:
- Based on v3.7-rc1
 
 Adds:
  - missing break;s from converting if{}s to switch{}
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Merge tag 'mvebu_gpio_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper:
 - missing break;s from converting if{}s to switch{}

* tag 'mvebu_gpio_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux:
  gpio: mvebu: Add missing breaks in mvebu_gpio_irq_set_type
2012-10-17 17:13:24 -07:00
Olof Johansson
327f81c455 Depends:
- Based against v3.7-rc1
  - Latest changes to arch/arm/mm/cache-tauros2.c
     c2b7e05 ARM: cache: add dt support for tauros2 cache
 
 Misc. fixes for latest changes to mach-dove/
 Fixes build breakage for mach-dove
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Merge tag 'mvebu_dove_late_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux into fixes

From Jason Cooper:

Misc. fixes for latest changes to mach-dove/
Fixes build breakage for mach-dove

* tag 'mvebu_dove_late_fixes_for_v3.7' of git://git.infradead.org/users/jcooper/linux:
  ARM: dove: Add crypto engine to DT
  ARM: dove: Remove watchdog from DT
  ARM: dove: Restructure SoC device tree descriptor
  ARM: dove: Fix clock names of sata and gbe
  ARM: dove: Fix tauros2 device tree init
  ARM: dove: Add pcie clock support
2012-10-17 17:09:37 -07:00
Olof Johansson
b5beb20d03 A boot problem fix for am33xx beaglebone caused by GPMC,
a regression fix for local timer, and a clockdomain locking fix.
 Also few minor fixes for boot time and sparse warnings.
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Merge tag 'omap-for-v3.7-rc1/fixes-take5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

From Tony Lindgren:

A boot problem fix for am33xx beaglebone caused by GPMC,
a regression fix for local timer, and a clockdomain locking fix.
Also few minor fixes for boot time and sparse warnings.

* tag 'omap-for-v3.7-rc1/fixes-take5-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Allow kernel to boot even if GPMC fails to reserve memory
  ARM: OMAP: clockdomain: Fix locking on _clkdm_clk_hwmod_enable / disable
  ARM: OMAP4: devices: fixup OMAP4 DMIC platform device error message
  ARM: OMAP2+: clock data: Add dev-id for the omap-gpmc dummy fck
  ARM: OMAP: resolve sparse warning concerning debug_card_init()
  ARM: OMAP4: Fix twd_local_timer_register regression
2012-10-17 17:05:25 -07:00
Olof Johansson
b08d48414e ARM: tegra: fixes for 3.7-rc2
This branch contains a couple small fixes for Tegra for 3.7.
 
 * A fix for another clock rate calculation overflow
 * A revert of a change that removed the "timer" clock on Tegra, coupled
   with a fix for the confusing symbol name clash that triggered it.
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Merge tag 'tegra-for-3.7-fixes-for-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into fixes

From Stephen Warren: ARM: tegra: fixes for 3.7-rc2

This branch contains a couple small fixes for Tegra for 3.7.

* A fix for another clock rate calculation overflow
* A revert of a change that removed the "timer" clock on Tegra, coupled
  with a fix for the confusing symbol name clash that triggered it.

* tag 'tegra-for-3.7-fixes-for-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: add tegra_timer clock
  ARM: tegra: rename tegra system timer
  ARM: tegra30: clk: Fix output_rate overflow

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-10-17 17:04:42 -07:00
Deepthi Dharwar
83dac59409 cpuidle/powerpc: Fix snooze state problem in the cpuidle design on pseries.
Earlier without cpuidle framework on pseries, the native arch
idle routine comprised of both snooze and nap
states.  smt_snooze_delay variable was used to delay
the idle process entry to deeper idle state like  nap.
With the coming of cpuidle, this arch specific idle was replaced
by two different idle routines, one for supporting snooze and other
for nap. This enabled addition of more
low level idle states on pseries in the future.

On adopting the generic cpuidle framework for POWER systems,
the decision of which idle state to choose from,  given a predicted
idle time is taken by the menu governor based on
target_residency and  exit_latency of the idle states.
target_residency is the minimum time to be resident in that idle state.
Exit_latency is time taken to exit out of idle state.
Deeper the idle state, both the target residency and exit latency
would be higher.

In the current design, smt_snooze_delay is used as target_residency
for the  snooze state which is incorrect, as it is not the
minimum but the maximum duration to be in snooze state.
This would  result in the governor in taking bad decision,
as presently target_residency of nap < target_residency of snooze
inspite of nap being deeper idle state.

This patch aims to fix this problem by replacing the smt_snooze_delay loop
in snooze state, with the need_resched()  as the governor is aware of
entry and exit of various idle transitions based on which
next idle time prediction.

The governor is intelligent enough to determine the idle state the needs to
be transitioned to and maintains a whole of heuristics including
io load, previous idle states predictions etc for the same, based on
which idle state entry decision is taken.

With this fix, of setting target_residency of snooze to 0
					     nap to smt_snooze_delay
if the predicted idle time is less
than smt_snooze_delay (target_residency of nap)
value governor would pick snooze state, else nap. This adhers to the
previous native idle design.

Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-10-18 10:57:25 +11:00
Deepthi Dharwar
8ea959a17f cpuidle/powerpc: Fix smt_snooze_delay functionality.
smt_snooze_delay was designed to  delay idle loop's nap entry
in the native idle code before it got  ported over to use as part of
the cpuidle framework.

A -ve value  assigned to smt_snooze_delay should result in
busy looping, in other words disabling the entry to nap state.

	- https://lists.ozlabs.org/pipermail/linuxppc-dev/2010-May/082450.html

This particular functionality can be achieved currently by
echo 1 > /sys/devices/system/cpu/cpu*/state1/disable
but it is broken when one assigns -ve value to  the smt_snooze_delay
variable either via sysfs entry or ppc64_cpu util.

This patch aims to fix this, by disabling nap state when smt_snooze_delay
variable is set to -ve value.

Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-10-18 10:57:24 +11:00
Deepthi Dharwar
817deb05df cpuidle/powerpc: Fix target residency initialisation in pseries cpuidle
Remove the redundant target residency initialisation in pseries_cpuidle_driver_init().
This is currently over-writing the residency time updated as part of the static
table, resulting in  all the idle states having the same target
residency of 100us which is incorrect. This may result in the menu governor making
wrong state decisions.

Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-10-18 10:57:24 +11:00
Aneesh Kumar K.V
ce236ab576 powerpc: Build fix for powerpc KVM
Fix build failure for powerpc KVM by adding missing VPN_SHIFT definition
and the ';'

arch/powerpc/kvm/book3s_32_mmu_host.c: In function 'kvmppc_mmu_map_page':
arch/powerpc/kvm/book3s_32_mmu_host.c:176: error: 'VPN_SHIFT' undeclared (first use in this function)
arch/powerpc/kvm/book3s_32_mmu_host.c:176: error: (Each undeclared identifier is reported only once
arch/powerpc/kvm/book3s_32_mmu_host.c:176: error: for each function it appears in.)
arch/powerpc/kvm/book3s_32_mmu_host.c:178: error: expected ';' before 'next_pteg'
arch/powerpc/kvm/book3s_32_mmu_host.c:190: error: label 'next_pteg' used but not defined
make[1]: *** [arch/powerpc/kvm/book3s_32_mmu_host.o] Error 1

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2012-10-18 10:37:52 +11:00
Benjamin Herrenschmidt
72523d8082 Revert "powerpc/perf: Use pmc_overflow() to detect rolled back events"
This reverts commit 813312110b.

This revert was requested by the author of the patch as it seems
to cause system hangs with some low frequency events
2012-10-18 10:36:11 +11:00
John Johansen
43c422eda9 apparmor: fix apparmor OOPS in audit_log_untrustedstring+0x1c/0x40
The capability defines have moved causing the auto generated names
of capabilities that apparmor uses in logging to be incorrect.

Fix the autogenerated table source to uapi/linux/capability.h

Reported-by: YanHong <clouds.yan@gmail.com>
Reported-by: Krzysztof Kolasa <kkolasa@winsoft.pl>
Analyzed-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Acked-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <james.l.morris@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-10-17 16:29:46 -07:00
Bill Pemberton
178e485a0e staging: dgrp: check return value of alloc_tty_driver
alloc_tty_driver was always assumed to succeed.  Add code to check the
return value and return -ENOMEM if alloc_tty_driver fails.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17 14:10:10 -07:00
Bill Pemberton
d7c4660c12 staging: dgrp: check for NULL pointer in (un)register_proc_table
register_proc_table and unregister_proc_table didn't deal with the
possibility that the *table pointer could be NULL.  Check for this and
return if table is NULL.

Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17 14:10:10 -07:00
Greg Kroah-Hartman
367ff459e5 UAPI Disintegration 2012-10-09
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Merge tag 'disintegrate-tty-20121009' of git://git.infradead.org/users/dhowells/linux-headers into tty-linus

UAPI Disintegration 2012-10-09
2012-10-17 14:07:56 -07:00
Stephen Warren
205a8eb7ce dtc: fix for_each_*() to skip first object if deleted
The previous definition of for_each_*() would always include the very
first object within the list, irrespective of whether it was marked
deleted, since the deleted flag was not checked on the first object,
but only on any "next" object.

Fix for_each_*() to check the deleted flag in the loop body every
iteration to correct this.

(upstream dtc commit 1762ab42ef77db7ab2776d0d6cba3515150f518a)

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-17 15:53:04 -05:00
Kim Phillips
24fb530f99 of/platform: sparse fix
drivers/of/platform.c:110:59: warning: incorrect type in argument 2 (different base types)
drivers/of/platform.c:110:59:    expected restricted __be32 const [usertype] *addr
drivers/of/platform.c:110:59:    got unsigned int const [usertype] *[assigned] reg

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-17 15:53:03 -05:00
Kim Phillips
d2e4151821 of/irq: sparse fixes
drivers/of/irq.c:195:57: warning: restricted __be32 degrades to integer
drivers/of/irq.c:196:51: warning: restricted __be32 degrades to integer
drivers/of/irq.c:199:57: warning: restricted __be32 degrades to integer
drivers/of/irq.c:201:58: warning: restricted __be32 degrades to integer
drivers/of/irq.c:470:37: warning: incorrect type in assignment (different modifiers)
drivers/of/irq.c:470:37:    expected int ( *[usertype] irq_init_cb )( ... )
drivers/of/irq.c:470:37:    got void const *const data
drivers/of/irq.c:96:5: error: symbol 'of_irq_map_raw' redeclared with different type (originally declared at include/linux/of_irq.h:61) - incompatible argument 2 (different base types)

drivers/of/of_pci_irq.c:91:40: warning: incorrect type in argument 2 (different base types)
drivers/of/of_pci_irq.c:91:40:    expected unsigned int const [usertype] *intspec
drivers/of/of_pci_irq.c:91:40:    got restricted __be32 *<noident>
drivers/of/of_pci_irq.c:91:53: warning: incorrect type in argument 4 (different base types)
drivers/of/of_pci_irq.c:91:53:    expected unsigned int const [usertype] *addr
drivers/of/of_pci_irq.c:91:53:    got restricted __be32 *<noident>

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-17 15:53:02 -05:00
Kim Phillips
47b1e689db of/address: sparse fixes
drivers/of/address.c:66:29: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:66:29:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:66:29:    got unsigned int [usertype] *addr
drivers/of/address.c:87:32: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:87:32:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:87:32:    got unsigned int [usertype] *addr
drivers/of/address.c:91:30: warning: incorrect type in assignment (different base types)
drivers/of/address.c:91:30:    expected unsigned int [unsigned] [usertype] <noident>
drivers/of/address.c:91:30:    got restricted __be32 [usertype] <noident>
drivers/of/address.c:92:22: warning: incorrect type in assignment (different base types)
drivers/of/address.c:92:22:    expected unsigned int [unsigned] [usertype] <noident>
drivers/of/address.c:92:22:    got restricted __be32 [usertype] <noident>
drivers/of/address.c:147:35: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:147:35:    expected restricted __be32 const [usertype] *addr
drivers/of/address.c:147:35:    got unsigned int [usertype] *addr
drivers/of/address.c:157:34: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:157:34:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:157:34:    got unsigned int [usertype] *
drivers/of/address.c:256:29: warning: restricted __be32 degrades to integer
drivers/of/address.c:256:36: warning: restricted __be32 degrades to integer
drivers/of/address.c:262:34: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:262:34:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:262:34:    got unsigned int [usertype] *
drivers/of/address.c:372:41: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:372:41:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:372:41:    got unsigned int [usertype] *addr
drivers/of/address.c:395:53: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:395:53:    expected restricted __be32 const [usertype] *addr
drivers/of/address.c:395:53:    got unsigned int [usertype] *addr
drivers/of/address.c:443:50: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:443:50:    expected restricted __be32 const [usertype] *addr
drivers/of/address.c:443:50:    got unsigned int *<noident>
drivers/of/address.c:455:49: warning: incorrect type in argument 1 (different base types)
drivers/of/address.c:455:49:    expected restricted __be32 const [usertype] *cell
drivers/of/address.c:455:49:    got unsigned int *<noident>
drivers/of/address.c:480:60: warning: incorrect type in argument 2 (different base types)
drivers/of/address.c:480:60:    expected restricted __be32 const [usertype] *addr
drivers/of/address.c:480:60:    got unsigned int *<noident>
drivers/of/address.c:412:5: warning: symbol '__of_translate_address' was not declared. Should it be static?
drivers/of/address.c:520:14: error: symbol 'of_get_address' redeclared with different type (originally declared at include/linux/of_address.h:22) - different base types

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-17 15:53:01 -05:00
Olof Johansson
25c040c99b of: add stub of_get_child_by_name for non-OF builds
Fixes build error on s3c6400_defconfig, introduced by commit
06455bbcab, "dt/s3c64xx/spi: Use
of_get_child_by_name to get a named child".

drivers/spi/spi-s3c64xx.c: In function 's3c64xx_get_slave_ctrldata':
drivers/spi/spi-s3c64xx.c:838:2: error: implicit declaration of function
    'of_get_child_by_name' [-Werror=implicit-function-declaration]

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
2012-10-17 15:53:00 -05:00
Johan Hovold
bf90ff5f3b USB: spcp8x5: fix port-data memory leak
Fix port-data memory leak by replacing attach and release with
port_probe and port_remove.

Since commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.

Compile-only tested.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17 13:48:00 -07:00
Johan Hovold
638b9e1523 USB: ssu100: fix port-data memory leak
Fix port-data memory leak by replacing attach and release with
port_probe and port_remove.

Since commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.

Compile-only tested.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17 13:47:59 -07:00
Johan Hovold
51ef847df7 USB: ti_usb_3410_5052: fix port-data memory leak
Fix port-data memory leak by moving port data allocation and
deallocation to port_probe and port_remove.

Since commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) the port private data is no longer freed at release as
it is no longer accessible.

Compile-only tested.

Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-17 13:47:59 -07:00