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506,942 commits

Author SHA1 Message Date
Takashi Iwai
b3619b288b ASoC: sta32x: Fix wrong enum for limiter2 release rate
There is a typo in the Limiter2 Release Rate control, a wrong enum for
Limiter1 is assigned.  It must point to Limiter2.
Spotted by a compile warning:

In file included from sound/soc/codecs/sta32x.c:34:0:
sound/soc/codecs/sta32x.c:223:29: warning: ‘sta32x_limiter2_release_rate_enum’ defined but not used [-Wunused-variable]
 static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum,
                             ^
include/sound/soc.h:275:18: note: in definition of macro ‘SOC_ENUM_DOUBLE_DECL’
  struct soc_enum name = SOC_ENUM_DOUBLE(xreg, xshift_l, xshift_r, \
                  ^
sound/soc/codecs/sta32x.c:223:8: note: in expansion of macro ‘SOC_ENUM_SINGLE_DECL’
 static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum,
        ^

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: <stable@vger.kernel.org>
2014-02-27 16:53:50 +09:00
Jaegeuk Kim
5d0c667121 f2fs: remove costly bit operations for f2fs_find_entry
It turns out that a bit operation like find_next_bit is not always fast enough
for f2fs_find_entry.
Instead, it is pretty much simple and fast to traverse each dentries.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-02-27 16:25:20 +09:00
Max Stepanov
e7eb65cac0 iwlwifi: mvm: change of listen interval from 70 to 10
Some APs reject STA association request if a listen interval value exceeds
a threshold of 10. Thus, for example, Cisco APs may deny STA associations
returning status code 12 (Association denied due to reason outside the scope
of 802.11 standard) in the association response frame.

Fixing the issue by setting the default IWL_CONN_MAX_LISTEN_INTERVAL value
from 70 to 10.

Cc: <stable@vger.kernel.org> [3.10+]
Signed-off-by: Max Stepanov <Max.Stepanov@intel.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2014-02-27 08:59:27 +02:00
Takashi Iwai
e2755cf9a4 ASoC: Fixes for v3.14
A somewhat large set of fixes here due to the identification of some
 systematic problems with hard to use APIs in the subsystem.  Takashi did
 a lot of work to address the enumeration API which uncovered a number of
 off by one bugs caused by confusing APIs while Charles addressed issues
 in the locking around DAPM.
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Merge tag 'asoc-v3.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v3.14

A somewhat large set of fixes here due to the identification of some
systematic problems with hard to use APIs in the subsystem.  Takashi did
a lot of work to address the enumeration API which uncovered a number of
off by one bugs caused by confusing APIs while Charles addressed issues
in the locking around DAPM.
2014-02-27 07:16:15 +01:00
Dave Chinner
93a8614e3a xfs: fix directory inode iolock lockdep false positive
The change to add the IO lock to protect the directory extent map
during readdir operations has cause lockdep to have a heart attack
as it now sees a different locking order on inodes w.r.t. the
mmap_sem because readdir has a different ordering to write().

Add a new lockdep class for directory inodes to avoid this false
positive.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 16:51:39 +11:00
Dave Chinner
a1358aa3d3 xfs: allocate xfs_da_args to reduce stack footprint
The struct xfs_da_args used to pass directory/attribute operation
information to the lower layers is 128 bytes in size and is
allocated on the stack. Dynamically allocate them to reduce the
stack footprint of directory operations.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 16:51:26 +11:00
Dave Chinner
f876e44603 xfs: always do log forces via the workqueue
Log forces can occur deep in the call chain when we have relatively
little stack free. Log forces can also happen at close to the call
chain leaves (e.g. xfs_buf_lock()) and hence we can trigger IO from
places where we really don't want to add more stack overhead.

This stack overhead occurs because log forces do foreground CIL
pushes (xlog_cil_push_foreground()) rather than waking the
background push wq and waiting for the for the push to complete.
This foreground push was done to avoid confusing the CFQ Io
scheduler when fsync()s were issued, as it has trouble dealing with
dependent IOs being issued from different process contexts.

Avoiding blowing the stack is much more critical than performance
optimisations for CFQ, especially as we've been recommending against
the use of CFQ for XFS since 3.2 kernels were release because of
it's problems with multi-threaded IO workloads.

Hence convert xlog_cil_push_foreground() to move the push work
to the CIL workqueue. We already do the waiting for the push to
complete in xlog_cil_force_lsn(), so there's nothing else we need to
modify to make this work.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 16:40:42 +11:00
Geert Uytterhoeven
4189a728ae spi: spidev_fdx: Add support for Dual/Quad SPI Transfers
Use SPI_IOC_RD_MODE32 to print the full SPI mode, now in hex.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:51:29 +09:00
Geert Uytterhoeven
c2e78c34ef spi: spidev_test: Add support for Dual/Quad SPI Transfers
Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:51:29 +09:00
Geert Uytterhoeven
dc64d39b54 spi: spidev: Add support for Dual/Quad SPI Transfers
Add support for Dual/Quad SPI Transfers to the spidev API.
As this uses SPI mode bits that don't fit in a single byte, two new
ioctls (SPI_IOC_RD_MODE32 and SPI_IOC_WR_MODE32) are introduced.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:51:29 +09:00
Geert Uytterhoeven
e6456186ca spi: spidev: Restore all SPI mode flags on ioctl failure
In commit f477b7fb13 ("spi: DUAL and QUAD
support"), spi_device.mode was enlarged from 8 to 16 bits.

However, the spidev code still only saved 8 bits of data. If a spidev
SPI_IOC_WR_MODE or SPI_IOC_WR_LSB_FIRST request failed, only the lower 8
bits of the SPI mode were restored, inadvertently clearing the upper 8
bits, possibly disabling Quad or Dual SPI transfers for the device.

Save up to 32 bits to fix this.

For SPI_IOC_WR_MODE this is probably not so important, as it doesn't allow
setting Quad or Dual mode anyway, but SPI_IOC_WR_LSB_FIRST is used to just
set or clear a single bit.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:50:33 +09:00
Alex Deucher
b0447888dc MAINTAINERS: update drm git tree entry
Fix Dave's git tree.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-27 14:49:55 +10:00
Alex Deucher
566f59394d MAINTAINERS: add entry for drm radeon driver
Add an entry for radeon.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-27 14:49:34 +10:00
Jingoo Han
71aa2e3207 spi: sirf: Use SIMPLE_DEV_PM_OPS macro
Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:40:59 +09:00
Jingoo Han
6ff8672a96 spi: xilinx: remove unnecessary spaces
Remove unnecessary space in order to fix the following
checkpatch issues.

  WARNING: Unnecessary space after function pointer name

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:40:07 +09:00
Dave Airlie
4d538b7919 Merge branch 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux into drm-next
So this is the initial pull request for radeon drm-next 3.15. Highlights:
- VCE bringup including DPM support
- Few cleanups for the ring handling code

* 'drm-next-3.15' of git://people.freedesktop.org/~deathsimple/linux:
  drm/radeon: cleanup false positive lockup handling
  drm/radeon: drop radeon_ring_force_activity
  drm/radeon: drop drivers copy of the rptr
  drm/radeon/cik: enable/disable vce cg when encoding v2
  drm/radeon: add support for vce 2.0 clock gating
  drm/radeon/dpm: properly enable/disable vce when vce pg is enabled
  drm/radeon/dpm: enable dynamic vce state switching v2
  drm/radeon: add vce dpm support for KV/KB
  drm/radeon: enable vce dpm on CI
  drm/radeon: add vce dpm support for CI
  drm/radeon: fill in set_vce_clocks for CIK asics
  drm/radeon/dpm: fetch vce states from the vbios
  drm/radeon/dpm: fill in some initial vce infrastructure
  drm/radeon/dpm: move platform caps fetching to a separate function
  drm/radeon: add callback for setting vce clocks
  drm/radeon: add VCE version parsing and checking
  drm/radeon: add VCE ring query
  drm/radeon: initial VCE support v4
  drm/radeon: fix CP semaphores on CIK
2014-02-27 14:39:30 +10:00
Jingoo Han
e54f19bff4 regulator: 88pm8607: fix indent code style
Fix indent code style in order to fix the following checkpatch
issues.

  ERROR: code indent should use tabs where possible
  WARNING: please, no space before tabs
  WARNING: please, no spaces at the start of a line

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:39:29 +09:00
Alexander Stein
7995d74ab2 spi-topcliff-pch: Fix probing when DMA mode is used
If during registering SPI master due to SPI device probing a SPI transfer
is issued the DMA buffers are not allocated yet.

This fixes the following oops:
pch_spi 0000:02:0c.1: enabling device (0000 -> 0002)
pch_spi 0000:02:0c.1: master is unqueued, this is deprecated
BUG: unable to handle kernel NULL pointer dereference at   (null)
IP: [<c125aa05>] pch_spi_handle_dma+0x15c/0x6f4
[...]

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:37:10 +09:00
Dave Airlie
c48cdd23ea Merge branch 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox into drm-next
Updates from Jean-Fracois for the TDA998x driver, which are on top of
the fixes you have previously pulled, except these changes aren't
intended for -rc, but the next merge window.

Several of these are issues of correctness - passing more correct HDMI
info packets, not reading registers in older chips documented as write
only (despite appearing to be read/write in later chips).  Others are
code cleanups (using definitions rather than constants where we have
them already in the kernel).

Additional functionality is also added by way of optional support for
the IRQ from the TDA998x, which allows us to avoid busy-waiting for
the EDID reads.

* 'tda998x-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-cubox:
  drm/i2c: tda998x: always use the same device for all kernel messages
  drm/i2c: tda998x: adjust the audio clock divider for S/PDIF
  drm/i2c: tda998x: code optimization
  drm/i2c: tda998x: remove the unused variable ca_i2s
  drm/i2c: tda998x: make the audio code more readable
  drm/i2c: tda998x: use irq for connection status and EDID read
  drm/i2c: tda998x: always enable EDID read IRQ
  drm/i2c: tda998x: add DT documentation
  drm/i2c: tda998x: add DT support
  drm/i2c: tda998x: don't read write-only registers
  drm/i2c: tda998x: don't freeze the system at audio startup time
  drm/i2c: tda998x: change probe message origin
  drm/i2c: tda998x: code cleanup
  drm/i2c: tda998x: clean up error chip version checking
  drm/i2c: tda998x: check more I/O errors
  drm/i2c: tda998x: simplify the i2c read/write functions
  drm/i2c: tda998x: use ALSA IEC958 definitions and update audio frequency
  drm/i2c: tda998x: add the active aspect in HDMI AVI frame
  drm/i2c: tda998x: use HDMI constants
2014-02-27 14:36:56 +10:00
Xiubo Li
a3f7dcc9cc ASoC: fsl-sai: Add SND_SOC_DAIFMT_DSP_A/B support.
o Add SND_SOC_DAIFMT_DSP_A support.
o Add SND_SOC_DAIFMT_DSP_B support.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:36:01 +09:00
Dave Airlie
3e09dcd5bd Merge tag 'drm-intel-next-2014-02-07' of ssh://git.freedesktop.org/git/drm-intel into drm-next
- Yet more steps towards atomic modeset from Ville.
- DP panel power sequencing improvements from Paulo.
- irq code cleanups from Ville.
- 5.4 GHz dp lane clock support for bdw/hsw from Todd.
- Clock readout support for hsw/bdw (aka fastboot) from Jesse.
- Make pipe underruns report at ERROR level (Ville). This is to check our
  improved watermarks code.
- Full ppgtt support from Ben for gen7.
- More fbc fixes and improvements from Ville all over the place, unfortunately
  not yet enabled by default on more platforms.
- w/a cleanups from Ville.
- HiZ stall optimization settings (Chia-I Wu).
- Display register mmio offset refactor patch from Antti.
- RPS improvements for corner-cases from Jeff McGee.

* tag 'drm-intel-next-2014-02-07' of ssh://git.freedesktop.org/git/drm-intel: (166 commits)
  drm/i915: Update rps interrupt limits
  drm/i915: Restore rps/rc6 on reset
  drm/i915: Prevent recursion by retiring requests when the ring is full
  drm/i915: Generate a hang error code
  drm/i915: unify FLIP_DONE macro names
  drm/i915: vlv: s/spin_lock_irqsave/spin_lock/ in irq handler
  drm/i915: factor out valleyview_pipestat_irq_handler
  drm/i915: vlv: don't unmask IIR[DISPLAY_PIPE_A/B_VBLANK] interrupt
  drm/i915: Reorganize display pipe register accesses
  drm/i915: Treat using a purged buffer as a source of EFAULT
  drm/i915: Convert EFAULT into a silent SIGBUS
  drm/i915: release mutex in i915_gem_init()'s error path
  drm/i915: check for oom when allocating private_default_ctx
  drm/i915/vlv: WA to fix Voltage not getting dropped to Vmin when Gfx is power gated.
  drm/i915: Get rid of acthd based guilty batch search
  drm/i915: Use hangcheck score to find guilty context
  drm/i915: Drop WaDisablePSDDualDispatchEnable:ivb for IVB GT2
  drm/i915: Fix IVB GT2 WaDisableDopClockGating and WaDisablePSDDualDispatchEnable
  drm/i915: Don't access snooped pages through the GTT (even for error capture)
  drm/i915: Only print information for filing bug reports once
  ...

Conflicts:
	drivers/gpu/drm/i915/intel_dp.c
2014-02-27 14:36:01 +10:00
Dave Airlie
6ba6b7cdaf drm: DisplayPort AUX framework for v3.15-rc1
This series of patches implements a small framework that abstracts away
 some of the functionality that the DisplayPort AUX channel provides. It
 comes with a set of generic helpers that use the driver implementations
 to reduce code duplication.
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Merge tag 'drm/dp-aux-for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux into drm-next

drm: DisplayPort AUX framework for v3.15-rc1

This series of patches implements a small framework that abstracts away
some of the functionality that the DisplayPort AUX channel provides. It
comes with a set of generic helpers that use the driver implementations
to reduce code duplication.

* tag 'drm/dp-aux-for-3.15-rc1' of git://anongit.freedesktop.org/tegra/linux:
  drm/dp: Allow registering AUX channels as I2C busses
  drm/dp: Add DisplayPort link helpers
  drm/dp: Add drm_dp_dpcd_read_link_status()
  drm/dp: Add AUX channel infrastructure
2014-02-27 14:30:08 +10:00
Eric Sandeen
ce5028cfe3 xfs: modify verifiers to differentiate CRC from other errors
Modify all read & write verifiers to differentiate
between CRC errors and other inconsistencies.

This sets the appropriate error number on bp->b_error,
and then calls xfs_verifier_error() if something went
wrong.  That function will issue the appropriate message
to the user.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:23:10 +11:00
Eric Sandeen
db9355c296 xfs: print useful caller information in xfs_error_report
xfs_error_report used to just print the hex address of the caller;
%pF will give us something more human-readable.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:21:37 +11:00
Eric Sandeen
ca23f8fdd6 xfs: add xfs_verifier_error()
We want to distinguish between corruption, CRC errors,
etc.  In addition, the full stack trace on verifier errors
seems less than helpful; it looks more like an oops than
corruption.

Create a new function to specifically alert the user to
verifier errors, which can differentiate between
EFSCORRUPTED and CRC mismatches.  It doesn't dump stack
unless the xfs error level is turned up high.

Define a new error message (EFSBADCRC) to clearly identify
CRC errors.  (Defined to EBADMSG, bad message)

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:21:07 +11:00
Eric Sandeen
f1dbcd7e38 xfs: add helper for updating checksums on xfs_bufs
Many/most callers of xfs_update_cksum() pass bp->b_addr and
BBTOB(bp->b_length) as the first 2 args.  Add a helper
which can just accept the bp and the crc offset, and work
it out on its own, for brevity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:18:23 +11:00
Eric Sandeen
5158217058 xfs: add helper for verifying checksums on xfs_bufs
Many/most callers of xfs_verify_cksum() pass bp->b_addr and
BBTOB(bp->b_length) as the first 2 args.  Add a helper
which can just accept the bp and the crc offset, and work
it out on its own, for brevity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:17:27 +11:00
Eric Sandeen
533b81c875 xfs: Use defines for CRC offsets in all cases
Some calls to crc functions used useful #defines,
others used awkward offsetof() constructs.

Switch them all to #define to make things a bit cleaner.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:15:27 +11:00
Eric Sandeen
e0d2c23a25 xfs: skip pointless CRC updates after verifier failures
Most write verifiers don't update CRCs after the verifier
has failed and the buffer has been marked in error.  These
two didn't, but should.

Add returns to the verifier failure block, since the buffer
won't be written anyway.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-02-27 15:14:31 +11:00
Markus Pargmann
ac5630b504 ASoC: tlv320aic3x: Remove tlv320aic32x4 from compatibles of tlv320aic3x
This reverts tlv320aic32x4 as compatible for tlv320aic3x as it has its
own bindings now.

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-02-27 13:13:41 +09:00
Andre Guedes
dd2ef8e274 Bluetooth: Update background scan parameters
If new scanning parameters are set while background scan is running,
we should restart background scanning so these parameters are updated.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
8ef30fd3d1 Bluetooth: Create hci_req_add_le_passive_scan helper
This patches creates the public hci_req_add_le_passive_scan helper so
it can be re-used outside hci_core.c in the next patch.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
7d474e06ef Bluetooth: Add le_auto_conn file on debugfs
This patch adds to debugfs the le_auto_conn file. This file will be
used to test LE auto connection infrastructure.

This file accept writes in the following format:
  "add <address> <address_type> [auto_connect]"
  "del <address> <address_type>"
  "clr"

The <address type> values are:
  * 0 for public address
  * 1 for random address

The [auto_connect] values are (for more details see struct hci_
conn_params):
  * 0 for disabled (default)
  * 1 for always
  * 2 for link loss

So for instance, if you want the kernel autonomously establishes
connections with device AA:BB:CC:DD:EE:FF (public address) every
time the device enters in connectable mode (starts advertising),
you should run the command:
$ echo "add AA:BB:CC:DD:EE:FF 0 1" > /sys/kernel/debug/bluetooth/hci0/le_auto_conn

To delete the connection parameters for that device, run the command:
$ echo "del AA:BB:CC:DD:EE:FF 0" > /sys/kernel/debug/bluetooth/hci0/le_auto_conn

To clear the connection parameters list, run the command:
$ echo "clr" > /sys/kernel/debug/bluetooth/hci0/le_auto_conn

Finally. to get the list of connection parameters configured in kernel,
read the le_auto_conn file:
$ cat /sys/kernel/debug/bluetooth/hci0/le_auto_conn

This file is created only if LE is enabled.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
5b906a84a5 Bluetooth: Support resolvable private addresses
Only identity addresses are inserted into hdev->pend_le_conns. So,
in order to support resolvable private addresses in auto connection
mechanism, we should resolve the address before checking for pending
connections.

Thus, this patch adds an extra check in check_pending_le_conn() and
updates 'addr' and 'addr_type' variables before hci_pend_le_conn_
lookup().

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
a9b0a04c2a Bluetooth: Connection parameters and resolvable address
We should only accept connection parameters from identity addresses
(public or random static). Thus, we should check the address type
in hci_conn_params_add().

Additionally, since the IRK is removed during unpair, we should also
remove the connection parameters from that device.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
6046dc3e06 Bluetooth: Auto connection and power on
When hdev is closed (e.g. Mgmt power off command, RFKILL or controller
is reset), the ongoing active connections are silently dropped by the
controller (no Disconnection Complete Event is sent to host). For that
reason, the devices that require HCI_AUTO_CONN_ALWAYS are not added to
hdev->pend_le_conns list and they won't auto connect.

So to fix this issue, during hdev closing, we remove all pending LE
connections. After adapter is powered on, we add a pending LE connection
for each HCI_AUTO_CONN_ALWAYS address.

This way, the auto connection mechanism works propely after a power
off and power on sequence as well as RFKILL block/unblock.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
c54c3860e3 Bluetooth: Temporarily stop background scanning on discovery
If the user sends a mgmt start discovery command while the background
scanning is running, we should temporarily stop it. Once the discovery
finishes, we start the background scanning again.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:35 -08:00
Andre Guedes
cef952ce76 Bluetooth: Connection parameters and auto connection
This patch modifies hci_conn_params_add() and hci_conn_params_del() so
they also add/delete pending LE connections according to the auto_
connect option. This way, background scan is automatically triggered/
untriggered when connection parameters are added/removed.

For instance, when a new connection parameters with HCI_AUTO_CONN_ALWAYS
option is added and we are not connected to the device, we add a pending
LE connection for that device.

Likewise, when the connection parameters are updated we add or delete
a pending LE connection according to its new auto_connect option.

Finally, when the connection parameter is deleted we also delete the
pending LE connection (if any).

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
9fcb18ef3a Bluetooth: Introduce LE auto connect options
This patch introduces the LE auto connection options: HCI_AUTO_CONN_
ALWAYS and HCI_AUTO_CONN_LINK_LOSS. Their working mechanism are
described as follows:

The HCI_AUTO_CONN_ALWAYS option configures the kernel to always re-
establish the connection, no matter the reason the connection was
terminated. This feature is required by some LE profiles such as
HID over GATT, Health Thermometer and Blood Pressure. These profiles
require the host autonomously connect to the device as soon as it
enters in connectable mode (start advertising) so the device is able
to delivery notifications or indications.

The BT_AUTO_CONN_LINK_LOSS option configures the kernel to re-
establish the connection in case the connection was terminated due
to a link loss. This feature is required by the majority of LE
profiles such as Proximity, Find Me, Cycling Speed and Cadence and
Time.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
a4790dbd43 Bluetooth: Introduce LE auto connection infrastructure
This patch introduces the LE auto connection infrastructure which
will be used to implement the LE auto connection options.

In summary, the auto connection mechanism works as follows: Once the
first pending LE connection is created, the background scanning is
started. When the target device is found in range, the kernel
autonomously starts the connection attempt. If connection is
established successfully, that pending LE connection is deleted and
the background is stopped.

To achieve that, this patch introduces the hci_update_background_scan()
which controls the background scanning state. This function starts or
stops the background scanning based on the hdev->pend_le_conns list. If
there is no pending LE connection, the background scanning is stopped.
Otherwise, we start the background scanning.

Then, every time a pending LE connection is added we call hci_update_
background_scan() so the background scanning is started (in case it is
not already running). Likewise, every time a pending LE connection is
deleted we call hci_update_background_scan() so the background scanning
is stopped (in case this was the last pending LE connection) or it is
started again (in case we have more pending LE connections). Finally,
we also call hci_update_background_scan() in hci_le_conn_failed() so
the background scan is restarted in case the connection establishment
fails. This way the background scanning keeps running until all pending
LE connection are established.

At this point, resolvable addresses are not support by this
infrastructure. The proper support is added in upcoming patches.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
77a77a30ae Bluetooth: Introduce hdev->pend_le_conn list
This patch introduces the hdev->pend_le_conn list which holds the
device addresses the kernel should autonomously connect. It also
introduces some helper functions to manipulate the list.

The list and helper functions will be used by the next patch which
implements the LE auto connection infrastructure.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
6f77d8c757 Bluetooth: Move address type conversion to outside hci_connect_le
This patch moves address type conversion (L2CAP address type to HCI
address type) to outside hci_connect_le. This way, we avoid back and
forth address type conversion in a comming patch.

So hci_connect_le() now expects 'dst_type' parameter in HCI address
type convention.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
04a6c5898e Bluetooth: Refactor HCI connection code
hci_connect() is a very simple and useless wrapper of hci_connect_acl
and hci_connect_le functions. Addtionally, all places where hci_connect
is called the link type value is passed explicitly. This way, we can
safely delete hci_connect, declare hci_connect_acl and hci_connect_le
in hci_core.h and call them directly.

No functionality is changed by this patch.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:34 -08:00
Andre Guedes
c99ed8343c Bluetooth: Remove unused function
This patch removes hci_create_le_conn() since it is not used anymore.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:33 -08:00
Andre Guedes
2acf3d9066 Bluetooth: Stop scanning on LE connection
Some LE controllers don't support scanning and creating a connection
at the same time. So we should always stop scanning in order to
establish the connection.

Since we may prematurely stop the discovery procedure in favor of
the connection establishment, we should also cancel hdev->le_scan_
disable delayed work and set the discovery state to DISCOVERY_STOPPED.

This change does a small improvement since it is not mandatory the
user stops scanning before connecting anymore. Moreover, this change
is required by upcoming LE auto connection mechanism in order to work
properly with controllers that don't support background scanning and
connection establishment at the same time.

In future, we might want to do a small optimization by checking if
controller is able to scan and connect at the same time. For now,
we want the simplest approach so we always stop scanning (even if
the controller is able to carry out both operations).

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:33 -08:00
Andre Guedes
06c053fb54 Bluetooth: Declare le_conn_failed in hci_core.h
This patch adds the "hci_" prefix to le_conn_failed() helper and
declares it in hci_core.h so it can be reused in hci_event.c.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:33 -08:00
Andre Guedes
b1efcc2870 Bluetooth: Create hci_req_add_le_scan_disable helper
This patch moves stop LE scanning duplicate code to one single
place and reuses it. This will avoid more duplicate code in
upcoming patches.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2014-02-26 19:41:33 -08:00
Jiri Bohac
09a89c219b bonding: disallow enslaving a bond to itself
Enslaving a bond to itself leads to an endless loop and hangs the kernel.

Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Tested-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-26 22:37:12 -05:00
Dinh Nguyen
2d237c06a4 net: stmmac: Add SOCFPGA glue driver
Like the STi series SOCs, Altera's SOCFPGA also needs a glue layer on top of the
Synopsys gmac IP.

This patch adds the platform driver for the glue layer which configures the IP
before the generic STMMAC driver takes over.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Acked-by: David S. Miller <davem@davemloft.net>
---
v3: Remove stray empty line at end of dwmac-socfpga.c.
v2: Use the dwmac-sti as an example for a glue layer and split patch up
to have dts as a separate patch. Also cc dts maintainers since there is
a new binding.
2014-02-26 21:09:37 -06:00
Mike Turquette
5ba8dac012 Merge branch 'clk-fixes' into clk-next 2014-02-26 18:33:51 -08:00