Commit Graph

425932 Commits

Author SHA1 Message Date
Liam Girdwood
f69f41e1a2 ASoC: Intel: Check Haswell IPC process_reply/notification return value.
Check the return value for error when processing replies and notifications.

The patch 2298124358: "ASoC: Intel: Add Haswell/Broadwell IPC" from
> Feb 20, 2014, leads to the following imaginary static checker warning:
>
> 	sound/soc/intel/sst-haswell-ipc.c:898 hsw_irq_thread()
> 	warn: this is always true.
>
> sound/soc/intel/sst-haswell-ipc.c
>    895                  /* Handle Immediate reply from DSP Core */
>    896                  handled = hsw_process_reply(hsw, ipcx);
>                                   ^^^^^^^^^^^^^^^^^
> Returns 1 on success/error and -EIO on error.
>
>    897
>    898                  if (handled) {
>    899                          /* clear DONE bit - tell DSP we have completed */
>    900                          sst_dsp_shim_update_bits_unlocked(sst, SST_IPCX,
>    901                                  SST_IPCX_DONE, 0);
>    902
>    903                          /* unmask Done interrupt */
>    904                          sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX,
>    905                                  SST_IMRX_DONE, 0);
>    906                  }
>

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-07 10:51:05 +08:00
Dan Carpenter
9202c37739 ASoC: Baytrail: fix error handling in sst_byt_dsp_init()
Calling "kfree(byt)" is a double free because that was allocated with
devm_kzalloc().  There were a couple places which leak "byt->msg".  That
memory is allocated in msg_empty_list_init().

Fixes: f7d01fd675 ('ASoC: Intel: Add Intel Baytrail SST DSP IPC support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-03-06 12:22:21 +08:00
Jarkko Nikula
a6cf8f7b53 ASoC: Intel: Baytrail: Fix implicit declaration of function 'memcpy_fromio'
Some kernel configurations can cause following build error:

sound/soc/intel/sst-baytrail-ipc.c: In function ‘sst_byt_get_dsp_position’:
sound/soc/intel/sst-baytrail-ipc.c:744:2: error: implicit declaration of function ‘memcpy_fromio’ [-Werror=implicit-function-declaration]
  memcpy_fromio(&fw_tstamp,
  ^
cc1: some warnings being treated as errors

Fix this by including <linux/io.h> explicitly.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 23:47:13 +09:00
Jarkko Nikula
95c40d4b0e ASoC: Intel: byt-rt5640: Use init time DAI format
Setting static DAI format has been supported in the soc-core quite some time
now so there is no need to set it runtime in machine driver.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwoood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:49:08 +09:00
Jarkko Nikula
52be4776ca ASoC: Intel: byt-rt5640: Update internal mic and speaker kcontrol names
Use more sensible kcontrol names than "Int Mic" and "Ext Spk". Speakers
especially are usually integrated devices in sales models.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwoood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:49:04 +09:00
Dan Carpenter
31d632f955 ASoC: intel: incorrect sizeof()
This should be sizeof(pos) instead of sizeof(&pos).  Most likely they
are both 8 bytes though so it doesn't often make a difference in real
life.

Fixes: 2298124358 ('ASoC: Intel: Add Haswell/Broadwell IPC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:45:57 +09:00
Dan Carpenter
f9da9e434d ASoC: intel: restore IRQs on error
This should be spin_unlock_irqrestore() instead of spin_unlock()

Fixes: 2298124358 ('ASoC: Intel: Add Haswell/Broadwell IPC')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:45:43 +09:00
Dan Carpenter
951e9bb1fa ASoC: Intel: sst-firmware: missing curly braces (harmless)
There were some curly braces intended here, but the code actually
works the same either way so it's not a bug.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:45:39 +09:00
Jarkko Nikula
5069e5c93c ASoC: Intel: sst-acpi: Fix Oops in case of missing firmware
I swear I tested missing firmware in commit e5161d7987 ("ASoC: Intel:
sst-acpi: Request firmware before SST platform driver probing").

Unfortunately same wasn't done in commit 6dda27cbbd ("ASoC: Intel:
sst-acpi: Add support for multiple machine drivers per platform") which
will cause NULL pointer dereference in sst_acpi_fw_cb() when printing the
error since sst_acpi->mach is not set.

Fix this obvious error by setting the sst_acpi->mach in sst_acpi_probe().

Reported-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-26 08:45:35 +09:00
Jarkko Nikula
20df8d03a7 ASoC: Intel: Add build support for Baytrail SST
Enable build support for Baytrail SST DSP platform and byt-rt5640 machine
drivers.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:44 +09:00
Jarkko Nikula
e029861214 ASoC: Intel: Add Baytrail SST and byt-rt5640 machine driver probing
Add Baytrail SST descriptor with the byt-rt5640 machine driver to sst-acpi
loader.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:41 +09:00
Jarkko Nikula
6439c8ad1e ASoC: Intel: Add machine driver for Baytrail SST with RT5640 codec
Add machine driver for Baytrail SST DSP platform with RT5640 audio codec.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:39 +09:00
Jarkko Nikula
aef1311a7d ASoC: Intel: Add Intel Baytrail SST PCM platform driver
This adds the Baytrail SST DSP PCM platform driver. It registers itself with
the ALSA SoC layer and uses Intel Baytrail SST DSP IPC for DSP control.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:36 +09:00
Jarkko Nikula
f7d01fd675 ASoC: Intel: Add Intel Baytrail SST DSP IPC support
Add support for Baytrail SST DSP IPC. This provides mechanism to communicate
with the DSP firmware.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:34 +09:00
Jarkko Nikula
f746966377 ASoC: Intel: Add Intel Baytrail SST DSP support
This adds basic functionality for Baytrail SST DSP initialization and
firmware loading.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:31 +09:00
Jarkko Nikula
6ef20de726 ASoC: Intel: Add Baytrail SST ID and Baytrail specific register bits
While the SHIM register addresses in Baytrail are the same than Haswell and
Broadwell their register size is 64-bit and some bits are different.

This patch adds the SST device ID for Baytrail and Baytrail specific
SHIM bit definitions.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-25 13:44:27 +09:00
Liam Girdwood
90931b9eae ASoC: Intel: Add Haswell Machine support
Add support for Haswell based machines with SST DSP audio.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:27 +09:00
Liam Girdwood
5e4482fcb1 ASoC: Intel: Add build support for Haswell ADSP
Build the Haswell/Broadwell PCM, IPC and DSP drivers.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:26 +09:00
Liam Girdwood
1f1db1d2af ASoC: Intel: Add trace support for Haswell/Broadwell SST IPC messages.
Provide a trace mechanism for debugging Haswell/Broadwell specific SST
IPC messages.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:26 +09:00
Liam Girdwood
d37797705d ASoC: Intel: Add Haswell and Broadwell PCM platform driver
Add the Haswell and Broadwell PCM DSP platform driver. This driver uses
the IPC driver for communication with the SST DSP.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:25 +09:00
Liam Girdwood
2298124358 ASoC: Intel: Add Haswell/Broadwell IPC
Add support for Haswell and Broadwell DSP IPC. This is used by the DSP
platform PCM driver to configure the DSP for audio operations.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:25 +09:00
Liam Girdwood
1e42c3e426 ASoC: Intel: Add support for Haswell/Broadwell DSP
Add support for low level differentiation functions for Haswell and Broadwell
SST DSPs. This includes suppoprt for DSP boot and reset, DSP firmware module
parsing and DSP memory block map initialisation.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-22 11:22:21 +09:00
Liam Girdwood
afd954900a ASoC: Intel: Fix build for sst-dsp.c on PPC architecture
Disable build on non X86 architectures except for compile testing. This fixes
the following build errors on PPC and adds an option for testing the build on other
architectures as suggested by Mark Brown :-

sound/soc/intel/sst-dsp.c: In function 'sst_dsp_outbox_write':
sound/soc/intel/sst-dsp.c:218:2: error: implicit declaration of function 'memcpy_toio' [-Werror=implicit-function-declaration]
  memcpy_toio(sst->mailbox.out_base, message, bytes);
  ^
sound/soc/intel/sst-dsp.c: In function 'sst_dsp_outbox_read':
sound/soc/intel/sst-dsp.c:231:2: error: implicit declaration of function 'memcpy_fromio' [-Werror=implicit-function-declaration]
  memcpy_fromio(message, sst->mailbox.out_base, bytes);
  ^

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:54:45 +09:00
Jarkko Nikula
6dda27cbbd ASoC: Intel: sst-acpi: Add support for multiple machine drivers per platform
Initial implementation of this driver focused only matching SST ACPI ID
with single machine driver and same firmware file per platform. It was known
restriction to be improved incrementally.

This patch is now changing this that SST ACPI ID refers purely to platform
specific data which refers to machine drivers on this platform, not vice
versa.

Matching machine driver is found by looking at ACPI ID which would best
match with the driver. Typically this would be the ACPI ID of audio codec
but is not tied to it.

This patch also changes that DSP firmware name is machine not platform
specific.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 01:42:07 +09:00
Liam Girdwood
7bcd84878e ASoC: Intel: Fix sparse warnings for firmware loader
Sparse gives us the following warnings on sst-firmware.c

  CHECK   sound/soc/intel/sst-firmware.c
sound/soc/intel/sst-firmware.c:39:34: warning: incorrect type in argument 1 (different address spaces)
sound/soc/intel/sst-firmware.c:39:34:    expected void volatile [noderef] <asn:2>*dst
sound/soc/intel/sst-firmware.c:39:34:    got void *
sound/soc/intel/sst-firmware.c:417:36: warning: incorrect type in argument 1 (different address spaces)
sound/soc/intel/sst-firmware.c:417:36:    expected void *dest
sound/soc/intel/sst-firmware.c:417:36:    got void [noderef] <asn:2>*
sound/soc/intel/sst-firmware.c:430:5: warning: symbol 'sst_block_module_remove' was not declared. Should it be static?

and

  CC [M]  sound/soc/intel/sst-dsp.o
sound/soc/intel/sst-dsp-priv.h:271:53: warning: incorrect type in argument 3 (different address spaces)
sound/soc/intel/sst-dsp-priv.h:271:53:    expected void *src
sound/soc/intel/sst-dsp-priv.h:271:53:    got void [noderef] <asn:2>*
sound/soc/intel/sst-dsp-priv.h:271:53: warning: incorrect type in argument 3 (different address spaces)
sound/soc/intel/sst-dsp-priv.h:271:53:    expected void *src
sound/soc/intel/sst-dsp-priv.h:271:53:    got void [noderef] <asn:2>*
sound/soc/intel/sst-dsp-priv.h:271:53: warning: incorrect type in argument 3 (different address spaces)
sound/soc/intel/sst-dsp-priv.h:271:53:    expected void *src
sound/soc/intel/sst-dsp-priv.h:271:53:    got void [noderef] <asn:2>*

This patch removes these warnings

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-20 00:08:24 +09:00
Jarkko Nikula
e5161d7987 ASoC: Intel: sst-acpi: Request firmware before SST platform driver probing
We originally thought to request SST audio DSP firmware during the SST
platform driver initialization. However plain request_firmware doesn't
work in driver probe paths if userspace is not ready to handle it. For
instance when drivers are built-in.

Implementing asynchronous firmware request in SST platform driver
initialization complicates code needlessly since it anyway will fail if
firmware is missing.

This is more simple to handle by requesting firmware asynchronously in
sst_acpi_probe() and register SST platform only after firmware is loaded.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-19 21:20:42 +09:00
Jarkko Nikula
0c49a8c9f9 ASoC: Intel: Move extended fw base and size fields in struct sst_pdata
Move fw_base and fw_size fields in struct sst_pdata under ACPI data for
clarifying that these are not related to firmware file but for platform
specific extended firmware area reserved by the BIOS.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-19 13:41:10 +09:00
Liam Girdwood
b47bd099fb ASoC: Intel: Rename SST trace event header to be less generic.
The Intel audio DSP SST trace event header has been renamed from sst.h
to intel-sst.h in order to avoid any confusion with any future
Samoa Standard Time drivers ;)

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-19 13:27:04 +09:00
Liam Girdwood
2280e90efa ASoC: Intel: Add GFP_KERNEL flag to firmware DMA buffer.
Add GFP_KERNEL when allocating firmware DMA buffer.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-19 13:25:52 +09:00
Liam Girdwood
ddfa40b158 ASoC: Intel: Add build support for Intel SST DSP core.
This adds kernel build support for Intel SST core audio.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 10:39:25 +09:00
Liam Girdwood
f869c98328 ASoC: Intel: Add trace support for generic SST IPC messages.
Provide a trace mechanism for debugging generic SST IPC messages.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 10:39:25 +09:00
Liam Girdwood
30020472c3 ASoC: Intel: Add Intel SST audio DSP Firmware loader.
Provide services for Intel SST drivers to load SST modular firmware.

SST Firmware can be made up of several modules. These modules can exist
within any of the compatible SST memory blocks. Provide a generic memory
block and firmware module manager that can be used with any SST firmware
and core.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 10:39:20 +09:00
Jarkko Nikula
c2f8783fa2 ASoC: Intel: Add common SST driver loader on ACPI systems
Most of the SST devices will be exposed as ACPI devices. It makes sense to
avoid duplication of the driver enumeration logic and concentrate the functionality
into a single ACPI SST enumeration file.

Idea of this loader is to parse data we get from ACPI and to be able to load
needed other SST drivers and ASoC machine driver runtime based on single
ACPI ID what BIOS gives to us.

Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 10:38:35 +09:00
Liam Girdwood
790aff6229 ASoC: Intel: Add Intel SST audio DSP low level shim driver.
Add support for Intel Smart Sound Technology (SST) audio DSPs.
This driver provides the low level IO, reset, boot and IRQ management
for Intel audio DSPs. These files make up  the low level part of the SST
audio driver stack and will be used by many Intel SST cores like
Haswell, Broadwell and Baytrail.

SST DSPs expose a memory mapped region (shim) for config and control.
The shim layout is mostly shared without much modification across cores
and this driver provides a uniform API to access the shim and to enable
basic shim functions. It also provides functionality to abstract some shim
functions for cores with different shim features.

Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-18 10:38:20 +09:00
Liam Girdwood
a355d67817 ASoC: Intel: Add a mfld prefix to Intel SST drivers.
Resent with correct email for Mark.

In order to differentiate the different Intel SST audio core drivers we
need to rename the current drivers with a mfld prefix. This also includes
renaming in the Makefile and Kconfig

Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-12 15:09:49 +00:00
Linus Torvalds
38dbfb59d1 Linus 3.14-rc1 2014-02-02 16:42:13 -08:00
Linus Torvalds
69048e0188 Merge branch 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc updates from Helge Deller:
 "The three major changes in this patchset is a implementation for
  flexible userspace memory maps, cache-flushing fixes (again), and a
  long-discussed ABI change to make EWOULDBLOCK the same value as
  EAGAIN.

  parisc has been the only platform where we had EWOULDBLOCK != EAGAIN
  to keep HP-UX compatibility.  Since we will probably never implement
  full HP-UX support, we prefer to drop this compatibility to make it
  easier for us with Linux userspace programs which mostly never checked
  for both values.  We don't expect major fall-outs because of this
  change, and if we face some, we will simply rebuild the necessary
  applications in the debian archives"

* 'parisc-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: add flexible mmap memory layout support
  parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
  parisc: convert uapi/asm/stat.h to use native types only
  parisc: wire up sched_setattr and sched_getattr
  parisc: fix cache-flushing
  parisc/sti_console: prefer Linux fonts over built-in ROM fonts
2014-02-02 16:32:53 -08:00
Mikulas Patocka
1c0b8a7a62 hpfs: optimize quad buffer loading
HPFS needs to load 4 consecutive 512-byte sectors when accessing the
directory nodes or bitmaps.  We can't switch to 2048-byte block size
because files are allocated in the units of 512-byte sectors.

Previously, the driver would allocate a 2048-byte area using kmalloc,
copy the data from four buffers to this area and eventually copy them
back if they were modified.

In the current implementation of the buffer cache, buffers are allocated
in the pagecache.  That means that 4 consecutive 512-byte buffers are
stored in consecutive areas in the kernel address space.  So, we don't
need to allocate extra memory and copy the content of the buffers there.

This patch optimizes the code to avoid copying the buffers.  It checks
if the four buffers are stored in contiguous memory - if they are not,
it falls back to allocating a 2048-byte area and copying data there.

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-02 16:24:07 -08:00
Mikulas Patocka
2cbe5c76fc hpfs: remember free space
Previously, hpfs scanned all bitmaps each time the user asked for free
space using statfs.  This patch changes it so that hpfs scans the
bitmaps only once, remembes the free space and on next invocation of
statfs it returns the value instantly.

New versions of wine are hammering on the statfs syscall very heavily,
making some games unplayable when they're stored on hpfs, with load
times in minutes.

This should be backported to the stable kernels because it fixes
user-visible problem (excessive level load times in wine).

Signed-off-by: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-02-02 16:24:07 -08:00
Helge Deller
9dabf60dc4 parisc: add flexible mmap memory layout support
Add support for the flexible mmap memory layout (as described in
http://lwn.net/Articles/91829). This is especially very interesting on
parisc since we currently only support 32bit userspace (even with a
64bit Linux kernel).

Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 21:00:13 +01:00
Guy Martin
f5a408d53e parisc: Make EWOULDBLOCK be equal to EAGAIN on parisc
On Linux, only parisc uses a different value for EWOULDBLOCK which
causes a lot of troubles for applications not checking for both values.
Since the hpux compat is long dead, make EWOULDBLOCK behave the same as
all other architectures.

Signed-off-by: Guy Martin <gmsoft@tuxicoman.be>
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:42 +01:00
Helge Deller
9391bc777b parisc: convert uapi/asm/stat.h to use native types only
The stat.h header file is exported to userspace. Some userspace
applications failed to compile due to missing/unknown types, so we
better convert it to use native types only (like it's done on other
architectures too).

Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:33 +01:00
Helge Deller
998bbb2fc0 parisc: wire up sched_setattr and sched_getattr
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:25 +01:00
Helge Deller
57737c49dd parisc: fix cache-flushing
This commit:
f8dae00684: parisc: Ensure full cache coherency for kmap/kunmap
caused negative caching side-effects, e.g. hanging processes with expect and
too many inequivalent alias messages from flush_dcache_page() on Debian 5 systems.

This patch now partly reverts it and has been in production use on our debian buildd
makeservers since a week without any major problems.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: John David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org # v3.9+
Signed-off-by: Helge Deller <deller@gmx.de>
2014-02-02 20:57:16 +01:00
Helge Deller
8a10bc9d27 parisc/sti_console: prefer Linux fonts over built-in ROM fonts
The built-in ROM fonts lack many necessary ASCII characters, which is
why it makes sens to prefer the Linux fonts instead if they are
available.  This makes consoles on STI graphics cards which are not
supported by the stifb driver (e.g. Visualize FXe) looks much nicer.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v3.13
2014-02-02 20:56:47 +01:00
Linus Torvalds
602456bf16 Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull hwmon kconfig fixes from Jean Delvare.

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
  hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors
  hwmon: Fix SENSORS_LM75 dependencies to eliminate build errors
2014-02-02 11:30:57 -08:00
Linus Torvalds
7b383bef25 Merge branch 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB changes from Pekka Enberg:
 "Random bug fixes that have accumulated in my inbox over the past few
  months"

* 'slab/next' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux:
  mm: Fix warning on make htmldocs caused by slab.c
  mm: slub: work around unneeded lockdep warning
  mm: sl[uo]b: fix misleading comments
  slub: Fix possible format string bug.
  slub: use lockdep_assert_held
  slub: Fix calculation of cpu slabs
  slab.h: remove duplicate kmalloc declaration and fix kernel-doc warnings
2014-02-02 11:30:08 -08:00
Linus Torvalds
87af5e5c22 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown.

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: introduce -s to dump counters
  tools/power turbostat: remove unused command line option
  turbostat: Add option to report joules consumed per sample
  turbostat: run on HSX
  turbostat: Add a .gitignore to ignore the compiled turbostat binary
  turbostat: Clean up error handling; disambiguate error messages; use err and errx
  turbostat: Factor out common function to open file and exit on failure
  turbostat: Add a helper to parse a single int out of a file
  turbostat: Check return value of fscanf
  turbostat: Use GCC's CPUID functions to support PIC
  turbostat: Don't attempt to printf an off_t with %zx
  turbostat: Don't put unprocessed uapi headers in the include path
2014-02-02 11:28:48 -08:00
Linus Torvalds
e4c0da2165 ARM: SoC fixes for 3.14-rc1
Here's a set of patches for (hopefully) -rc1. Some of them are fixes,
 but a good number of them also do things such as enable new drivers in
 the defconfigs for platforms that have such devices, increases coverage
 of the multiplatform defconfig and some DTS changes that plumbs up some
 of the devices that now have bindings and driver support.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Here's a set of patches for (hopefully) -rc1.  Some of them are fixes,
  but a good number of them also do things such as enable new drivers in
  the defconfigs for platforms that have such devices, increases
  coverage of the multiplatform defconfig and some DTS changes that
  plumbs up some of the devices that now have bindings and driver
  support.

  The commit dates are recent; we've mostly collected these fixes in the
  last few days but I also had to rebuild the branch yesterday to sort
  out some internal conflicts which reset the timestamps.  The changes
  should have been tested by each platform maintainer already (and few
  of them have cross-platform impact) so I'm personally not too
  concerned by it at this time"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: multi_v7_defconfig: remove redundant entries and re-enable TI_EDMA
  ARM: multi_v7_defconfig: add mvebu drivers
  clocksource: kona: Add basic use of external clock
  drivers: bus: fix CCI driver kcalloc call parameters swap
  ARM: dts: bcm28155-ap: Fix Card Detection GPIO
  ARM: multi_v7_defconfig: Select CONFIG_AT803X_PHY
  ARM: keystone: config: fix build warning when CONFIG_DMADEVICES is not set
  MAINTAINERS: ARM: SiRF: use regex patterns to involve all SiRF drivers
  ARM: dts: zynq: Add SDHCI nodes
  ARM: hisi: don't select SMP
  ARM: tegra: rebuild tegra_defconfig to add DEBUG_FS
  ARM: multi_v7: copy most options from tegra_defconfig
  ARM: iop32x: fix power off handling for the EM7210 board
  ARM: integrator: restore static map on the CP
  ARM: msm_defconfig: Enable MSM clock drivers
  ARM: dts: msm: Add clock controller nodes and hook into uart
  ARM: OMAP4+: move errata initialization to omap4_pm_init_early
  ARM: OMAP4460: cpuidle: Extend PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD on cpuidle
  ARM: mvebu: fix compilation warning on Armada 370 (i.e. non-SMP)
  ARM: shmobile: r8a7790.dtsi: ficx i2c[0-3] clock reference
  ...
2014-02-02 11:11:06 -08:00
Jean Delvare
632007e201 hwmon: Fix SENSORS_TMP102 dependencies to eliminate build errors
Similar to what was done for the lm75 driver.

Add depends on THERMAL since that is what provides the
register/unregister functions above, but only if THERMAL_OF was
selected as this is an optional feature of the driver.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
2014-02-02 17:59:07 +01:00