Commit Graph

376698 Commits

Author SHA1 Message Date
Ben Hutchings
140c3c6a2b perf: net_dropmonitor: Fix trace parameter order
This works much better if we don't treat protocol numbers as addresses.

Cc: stable@vger.kernel.org
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 15:10:10 -07:00
Shawn Guo
3680354209 net: fec: use a more proper compatible string for MVF type device
MVF is a family while MVF600 is a particular SoC in the family.  We
generally prefer to use SoC rather than family name in compatible string
to define a particular type of fec device.  And this is how fec_dt_ids
works for all those IMX fec variants.  Let's change mvf to mvf600 to
have it work in the same way.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 15:00:51 -07:00
Shahed Shaikh
147a90887b qlcnic: Fix updating netdev->features
o After change in EPORT features of 82xx adapter, netdev->features needs to
  be updated to reflect EPORT feature updates but driver was manipulating
  netdev->features at wrong place.
o This patch uses netdev_update_features() and .ndo_fix_features() to
  update netdev->features properly.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 14:52:40 -07:00
Sony Chacko
0ce54ce4aa qlcnic: remove netdev->trans_start updates within the driver
Code is removed because netdev->trans_start updates made by the driver
will be ignored by the kernel.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 14:52:40 -07:00
Sony Chacko
02135582f3 qlcnic: Return proper error codes from probe failure paths
Fix error paths in probe to assign proper error codes to probe return value.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 14:52:39 -07:00
Nithin Sujir
c2bba06766 tg3: Update version to 3.132
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 14:51:11 -07:00
Nithin Sujir
fb03a43f5f tg3: Ensure boot code has completed initialization before accessing hardware
After resetting the device, the driver waits for a signature to be
updated to know that firmware has completed initialization. However, the
call to tg3_poll_fw() is being done too late and we're writing to the
GRC_MODE register before it has completely initialized, causing
contention with firmware.  This logic has existed since day one but is
causing PCIE link to go down randomly at startup on one platform once
every few hundred reboots.

Move the tg3_poll_fw() up to before we write to the GRC_MODE register
after reset.

Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-22 14:51:11 -07:00
Sachin Kamat
c619653d77 adc: exynos_adc: Convert to devm_ioremap_resource()
Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() which provides more consistent error handling.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:18:22 +01:00
Alexandre Relange
39441078f7 iio: Correct HID light sensor name in comments
The original driver was pasted from accelerometer driver, but the name
of the ID was not changed. This patch fixes this comment.

Signed-off-by: Alexandre Relange <alexandre@relange.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:49 +01:00
Paul Bolle
00a8d4234c iio: STMicroelectronics: remove three useless selects
Drivers for STMicroelectronics accelerometers, gyroscopes, and
magnetometers were added in v3.9. They all have a (similar) select
statement in their Kconfig files for a non-existant Kconfig symbol.
These select statements can safely be removed.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:49 +01:00
Jacek Anaszewski
94a6d5cf7c iio:ak8975 Implement data ready interrupt handling
Implement "data ready" interrupt handling in addition to the
two existing read modes - DRDY GPIO polling and ST1 register
DRDY bit polling.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:49 +01:00
Jacek Anaszewski
f4b7f751c6 iio:ak8975 Add support for gpios DT property
Add support for parsing 'gpios' property when initializing
from oftree.
This patch adds also the binding documentation file.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:48 +01:00
Jonathan Cameron
e64e7d5c8c iio:trigger:sysfs Move out of staging.
This simple driver is rather useful. No issues about its interface
have been raised for some time hence the proposal to move it out
of staging.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:48 +01:00
Michał Mirosław
f4914e5ef0 staging/iio/mxs-lradc: cleanup masklength
We know the exact iio->masklength = LRADC_MAX_TOTAL_CHANS.
Let's use it consistently.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:48 +01:00
Michał Mirosław
bec1889d24 iio: buffer: cleanup messages in iio_update_buffers()
1. make messages grepable (in one line)
2. include returned errno in them

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:47 +01:00
Oskar Andero
f5ce4a7a92 iio: adc: add driver for MCP3204/08 12-bit ADC
This adds support for Microchip's 12 bit AD converters MCP3204 and
MCP3208. These chips communicates over SPI and supports single-ended
and pseudo-differential configurations.

Signed-off-by: Oskar Andero <oskar.andero@gmail.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:16:47 +01:00
Naveen Krishna Chatradhi
927b4dc3e4 iio: exynos_adc: fix wrong structure extration in suspend and resume
The exynos_adc device structure was wrongly extracted from the dev*
correcting the same.

Using the regular conversion of
struct device* -> struct platform_device* -> struct exynos_adc* seems wrong.
Instead we should be doing
struct device* -> struct iio_dev* -> struct exynos_adc*

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:15:20 +01:00
Denis CIOCCA
d61a04dc14 iio:common:st: added disable function after read info raw data
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:58 +01:00
Axel Lin
0ae5fb6fd3 iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m
This patch fixes below build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m:

drivers/built-in.o: In function `ad5064_i2c_write':
drivers/iio/dac/ad5064.c:608: undefined reference to `i2c_master_send'
drivers/built-in.o: In function `ad5064_i2c_register_driver':
drivers/iio/dac/ad5064.c:646: undefined reference to `i2c_register_driver'
drivers/built-in.o: In function `ad5064_i2c_unregister_driver':
drivers/iio/dac/ad5064.c:651: undefined reference to `i2c_del_driver'
make: *** [vmlinux] Error 1

When CONFIG_I2C=m, meaning we can't build the drivers in with I2C support.
Thus don't allow the drivers to be compiled as built-in when CONFIG_I2C=m.

The real fix though is to break the driver apart into a SPI part, an I2C part
and a common part. But that's something for 3.11 while this is something for
3.10/stable.

Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:58 +01:00
Wei Yongjun
3b813798aa staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe()
Fix to return -EINVAL in the i2c device found error handling
case instead of 0, as done elsewhere in this function.
And also correct the fail1 and fail2 lable to do the right thing.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:57 +01:00
Michał Mirosław
c80712c793 staging/iio/mxs-lradc: fix preenable for multiple buffers
This fixes 'preenable failed: -EINVAL' error when using this driver.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-05-22 22:14:57 +01:00
Will Deacon
f27d6e1723 ARM: 7729/1: vfp: ensure VFP_arch is non-zero when VFP is not supported
Commit d3f79584a8 ("ARM: cleanup undefined instruction entry code")
improved the register scheduling when handling undefined instructions.
A side effect of this is that r5 is now used as a temporary, whilst the
VFP probing code relies on r5 containing a non-zero value when VFP is
not supported.

This patch fixes the VFP detection code so that we don't rely on the
contents of r5. Without this patch, Linux dies loudly on CPUs without
VFP support.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-05-22 22:01:37 +01:00
Steven Capper
4ca46c5e1f ARM: 7727/1: remove the .vm_mm value from gate_vma
If one reads /proc/$PID/smaps, the mmap_sem belonging to the
address space of the task being examined is locked for reading.
All the pages of the vmas belonging to the task's address space
are then walked with this lock held.

If a gate_vma is present in the architecture, it too is examined
by the fs/proc/task_mmu.c code. As gate_vma doesn't belong to the
address space of the task though, its pages are not walked.

A recent cleanup (commit f6604efe) of the gate_vma initialisation
code set the vm_mm value to &init_mm. Unfortunately a non-NULL
vm_mm value in the gate_vma will cause the task_mmu code to attempt
to walk the pages of the gate_vma (with no mmap-sem lock held). If
one enables Transparent Huge Page support and vm debugging, this
will then cause OOPses as pmd_trans_huge_lock is called without
mmap_sem being locked.

This patch removes the .vm_mm value from gate_vma, restoring the
original behaviour of the task_mmu code.

Signed-off-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-05-22 22:01:36 +01:00
Ard Biesheuvel
934fc24df1 ARM: 7723/1: crypto: sha1-armv4-large.S: fix SP handling
Make the SHA1 asm code ABI conformant by making sure all stack
accesses occur above the stack pointer.

Origin:
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=1a9d60d2

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-05-22 22:01:35 +01:00
Olof Johansson
580b000d7c Correct USB PHY initialisation on the marzen board.
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Merge tag 'renesas-boards-marzen-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

From Simon Horman:
Correct USB PHY initialisation on the marzen board.

* tag 'renesas-boards-marzen-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: marzen: Use error values in usb_power_*

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-22 13:11:21 -07:00
Olof Johansson
25625c9334 Fix the OMAP serial driver to work correctly on OMAP4 when booting
with DT.
 
 Basic build, boot, and PM test logs are here - unfortunately, not for
 the DT case yet:
 
 http://www.pwsan.com/omap/testlogs/uart_idle_fix_v3.10-rc/20130519164010/
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Merge tag 'omap-fixes-a-for-3.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes

From Paul Walmsley:
Fix the OMAP serial driver to work correctly on OMAP4 when booting
with DT.

* tag 'omap-fixes-a-for-3.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
  ARM: OMAP2+: hwmod: Remove sysc slave idle and auto idle apis
  SERIAL: OMAP: Remove the slave idle handling from the driver
  ARM: OMAP2+: serial: Remove the un-used slave idle hooks
  ARM: OMAP2+: hwmod-data: UART IP needs software control to manage sidle modes
  ARM: OMAP2+: hwmod: Add a new flag to handle SIDLE in SWSUP only in active
  ARM: OMAP2+: hwmod: Fix sidle programming in _enable_sysc()/_idle_sysc()

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-05-22 13:11:01 -07:00
Jiang Liu
0c9b5a317b avr32: fix building warnings caused by redefinitions of HZ
As suggested by David Howells <dhowells@redhat.com>, use
asm-generic/param.h and uapi/asm-generic/param.h for AVR32.

It also fixes building warnings caused by redefinitions of HZ:
In file included from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined
In file included from /ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:4,
                 from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
                 from include/linux/timex.h:63,
                 from include/linux/jiffies.h:8,
                 from include/linux/ktime.h:25,
                 from include/linux/timer.h:5,
                 from include/linux/workqueue.h:8,
                 from include/linux/srcu.h:34,
                 from include/linux/notifier.h:15,
                 from include/linux/memory_hotplug.h:6,
                 from include/linux/mmzone.h:777,
                 from include/linux/gfp.h:4,
                 from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
2013-05-22 21:05:44 +02:00
Trond Myklebust
a3c3cac5d3 SUNRPC: Prevent an rpc_task wakeup race
The lockless RPC_IS_QUEUED() test in __rpc_execute means that we need to
be careful about ordering the calls to rpc_test_and_set_running(task) and
rpc_clear_queued(task). If we get the order wrong, then we may end up
testing the RPC_TASK_RUNNING flag after __rpc_execute() has looped
and changed the state of the rpc_task.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
2013-05-22 14:55:32 -04:00
Matwey V. Kornilov
e037f95ffb tty: mxser: Fix build warning introduced by dfc7b837c7 (Re: linux-next: build warning after merge of the tty.current tree)
Fix build warning at mxser.c introduced by dfc7b837c7 (tty: mxser: fix
usage of opmode_ioaddr)

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-22 10:26:02 -07:00
Ralf Baechle
bb3ec6b083 mm: Fix virt_to_page() warning
virt_to_page() is typically implemented as a macro containing a cast so
that it will accept both pointers and unsigned long without causing a
warning.

But MIPS virt_to_page() uses virt_to_phys which is a function so passing
an unsigned long will cause a warning:

    CC      mm/page_alloc.o
  mm/page_alloc.c: In function ‘free_reserved_area’:
  mm/page_alloc.c:5161:3: warning: passing argument 1 of ‘virt_to_phys’ makes pointer from integer without a cast [enabled by default]
  arch/mips/include/asm/io.h:119:100: note: expected ‘const volatile void *’ but argument is of type ‘long unsigned int’

All others users of virt_to_page() in mm/ are passing a void *.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Eunbong Song <eunb.song@samsung.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-05-22 08:05:16 -07:00
Linus Torvalds
cbfd2cd719 This is the first batch of MFD fixes for 3.10.
It's bigger than I would like, most of it is due to the big ab/db8500 merge
 that went through during the 3.10 merge window.
 
 So we have:
 
 - Some build fixes for the tps65912 and ab8500 drivers.
 - A couple of build fixes for the the si476x driver with pre 4.3 gcc
   compilers.
 - A few runtime breakage fixes (probe failures or oopses) for the ab8500
   and db8500 drivers.
 - Some sparse or regular gcc warning fixes for the si476x, ab8500 and
   cros_ec drivers.
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Merge tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes

Pull mfd fixes from Samuel Ortiz:
 "This is the first batch of MFD fixes for 3.10.

  It's bigger than I would like, most of it is due to the big ab/db8500
  merge that went through during the 3.10 merge window.

  So we have:

   - Some build fixes for the tps65912 and ab8500 drivers.
   - A couple of build fixes for the the si476x driver with pre 4.3 gcc
     compilers.
   - A few runtime breakage fixes (probe failures or oopses) for the
     ab8500 and db8500 drivers.
   - Some sparse or regular gcc warning fixes for the si476x, ab8500 and
     cros_ec drivers."

* tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
  mfd: ab8500-sysctrl: Let sysctrl driver work without pdata
  mfd: db8500-prcmu: Update stored DSI PLL divider value
  mfd: ab8500-sysctrl: Always enable pm_power_off handler
  mfd: ab8500-core: Pass GPADC compatible string to MFD core
  mfd: db8500-prcmu: Supply the pdata_size attribute for db8500-thermal
  mfd: ab8500-core: Use the correct driver name when enabling gpio/pinctrl
  mfd: ab8500: Pass AB8500 IRQ to debugfs code by resource
  mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning
  mfd: ab8500-sysctrl: Set sysctrl_dev during probe
  mfd: ab8500-sysctrl: Fix sparse warning
  mfd: abx500-core: Fix sparse warning
  mfd: ab8500: Debugfs code depends on gpadc
  mfd: si476x: Use get_unaligned_be16() for unaligned be16 loads
  mfd: cros_ec_spi: Use %z to format pointer differences
  mfd: si476x: Do not use binary constants
  mfd: tps65912: Select MFD_CORE
2013-05-22 07:18:41 -07:00
Linus Torvalds
94f1be9798 A build fix and a uapi exposure fix. The build fix is later than
I liked, but my first version broke linux-next due to overzealous
 header clean.
 
 Thanks,
 Rusty.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull virtio fixes from Rusty Russell:
 "A build fix and a uapi exposure fix.  The build fix is later than I
  liked, but my first version broke linux-next due to overzealous header
  clean."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  virtio_console: fix uapi header
  Hoist memcpy_fromiovec/memcpy_toiovec into lib/
2013-05-22 07:16:49 -07:00
Aron Xu
dec33abaaf MIPS: N64: Wire getdents64(2)
As a relatively new ABI, N64 only had getdents syscall while other modern
architectures have getdents64.

This was noticed when Python 3.3 shifted to the latter one for aarch64.

[ralf@linux-mips.org: The history of getdents64 is a little complicated.
Commit 1a1d77dd589de5a567fa95e36aa6999c704ceca4 [Merge with 2.4.0-test7.]
added N64 getdents(2) to arch/mips64/kernel/scall_64.S as syscall 5213,
then dropped again in 578720675c44e54e8aa7c68f6dce59ed37ce3d3b [Overhaul
of the 64-bit syscall interface.  Now heritage free.] for 2.5.18 in 2002.]

Signed-off-by: Aron Xu <aron@debian.org>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5285/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 15:37:58 +02:00
Masami Hiramatsu
22047b8517 kprobes/mips: Fix to check double free of insn slot
Fix to check double free of insn_slot at arch_remove_kprobe
as other arches do.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: David Daney <ddaney@caviumnetworks.com>
Cc: Maneesh Soni <manesoni@cisco.com>
Cc: Victor Kamensky <kamensky@cisco.com>
Cc: linux-mips@linux-mips.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: yrl.pp-manager.tt@hitachi.com
Cc: systemtap@sourceware.org
Patchwork: https://patchwork.linux-mips.org/patch/5293/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 12:48:30 +02:00
Viresh Kumar
9076eaca60 cpufreq: arm_big_little_dt: Instantiate as platform_driver
As multiplatform build is being adopted by more and more ARM platforms, initcall
function should be used very carefully. For example, when both arm_big_little_dt
and cpufreq-cpu0 drivers are compiled in, arm_big_little_dt driver may try to
register even if we had platform device for cpufreq-cpu0 registered.

To eliminate this undesired the effect, the patch changes arm_big_little_dt
driver to have it instantiated as a platform_driver. Then it will only run on
platforms that create the platform_device "arm-bL-cpufreq-dt".

Reported-and-tested-by: Rob Herring <robherring2@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-05-22 12:43:33 +02:00
Viresh Kumar
92a9b5c291 cpufreq: arm_big_little_dt: Register driver only if DT has valid data
If arm_big_little_dt driver is enabled, then it will always try to register with
big LITTLE cpufreq core driver. In case DT doesn't have relevant data for cpu
nodes, i.e. operating points aren't present, then we should exit early and
shouldn't register with big LITTLE cpufreq core driver. Otherwise we will fail
continuously from the driver->init() routine.

This patch fixes this issue.

Reported-and-tested-by: Jon Medhurst <tixy@linaro.org>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-05-22 12:42:34 +02:00
Rafał Bilski
b5f14720a6 cpufreq / e_powersaver: Fix linker error when ACPI processor is a module
on i386:
CONFIG_ACPI_PROCESSOR=m
CONFIG_X86_E_POWERSAVER=y

drivers/built-in.o: In function `eps_cpu_init.part.8':
e_powersaver.c:(.text.unlikely+0x2243): undefined reference to `acpi_processor_register_performance'
e_powersaver.c:(.text.unlikely+0x22a2): undefined reference to `acpi_processor_unregister_performance'
e_powersaver.c:(.text.unlikely+0x246b): undefined reference to `acpi_processor_get_bios_limit'

X86_E_POWERSAVER should also depend on ACPI_PROCESSOR.

Signed-off-by: Rafal Bilski <rafalbilski@interia.pl>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-05-22 12:41:25 +02:00
Sanjay Lal
6d17c0d1e8 KVM/MIPS32: Wrap calls to gfn_to_pfn() with srcu_read_lock/unlock()
- As suggested by Gleb, wrap calls to gfn_to_pfn() with srcu_read_lock/unlock().
  Memory slots should be acccessed from a SRCU read section.
- kvm_mips_map_page() now returns an error code to it's callers, instead of
  calling panic() if it cannot find a mapping for a particular gfn.

Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-05-22 11:44:09 +03:00
Sanjay Lal
ba86e4dda7 KVM/MIPS32: Move include/asm/kvm.h => include/uapi/asm/kvm.h since it is a user visible API.
Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-05-22 11:42:53 +03:00
Simon Horman
5f10428e4a ARM: shmobile: marzen: Use error values in usb_power_*
This patch updates the marzen board code as if USB PHY isn't enabled
they phy will have a value set by ERR_PTR() rather than be NULL.

Without this patch a NULL pointer dereference  and kernel panic
occurs on initialisation of USB on marzen.

This resolves a regression introduced in 3.10-rc1 by
b7fa5c2aec
("usb: phy: return -ENXIO when PHY layer isn't enabled").

Tested-by: Nguyen Hong Ky <nh-ky@jinso.co.jp>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-05-22 15:43:16 +09:00
Severin Gsponer
735ae5392a Staging: bcm: fix checkpatch errors and warnings in Version.h
This patch change the comment style to C89 and removes a unnecessary line.

Signed-off-by: Severin Gsponer <svgsponer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:59:50 -07:00
Severin Gsponer
e4476d54bf Staging: bcm: Change comment style to C89 in vendorspecificextn.c
Changed the comment style to C89 in vendorspecificextn.c. Found with checkpatch.pl

Signed-off-by: Severin Gsponer <svgsponer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:59:49 -07:00
Tülin İzer
66f165766d Staging: tidspbridge: _tiomap.h: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl in
tidspbridge/_tiomap.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:39 -07:00
Tülin İzer
7a019b10a9 Staging: tidspbridge: tiomap3430_pwr.c: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl
in tidspbridge/tiomap3430_pwr.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:39 -07:00
Tülin İzer
ae24e4f234 Staging: tidspbridge: wdt.c: fixed indentation warning.
This patch fixes indentation warning found by checkpatch.pl in
tidspbridge/wdt.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:38 -07:00
Tülin İzer
5d5ef9bfb5 Staging: tidspbridge: ue_deh.c: fixed space formatting issue.
This patch fixes warning about space formatting around pointer
found by checkpatch.pl in tidsbridge/ue_deh.c

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Tülin İzer
e147d475d3 Staging: tidspbridge: _tiomap_pwr.h: fixed indentation warning.
This patch fixed indentation warning found by checkpatch.pl in
tidsbridge/_tiomap_pwr.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Tülin İzer
a99f5916b9 Staging: tidspbridge: _tiomap.h: fixed warning 'space prohibited before semicolon'.
This patch fixes warning 'space prohibited before semicolon' found by
checkpatch.pl in tidspbridge/_tiomap.h

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-21 19:57:37 -07:00
Ralf Baechle
087d990b37 MIPS: Idle: Break r4k_wait into two functions and fix it.
local_irq_enable() may expand into very different code, so it rather should
stay in C.  Also this keeps the assembler code size constant which keeps
the rollback code simple.  So it's best to split r4k_wait into two parts,
one C and one assembler.

Finally add the local_irq_enable() to r4k_wait to ensure the WAIT
instruction in __r4k_wait() will work properly.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:28 +02:00
Ralf Baechle
f94d9a8ef9 MIPS: Idle: Do address fiddlery in helper functions.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2013-05-22 01:34:28 +02:00