A quiet release for SPI, mainly driver updates and not too many of them:
- Support for dummy transfers (for delays on startup) in drivers using
transfer_one().
- Lots of enhancements to the Designware driver to support new Intel
SoCs.
- Support for newer Renesas chips.
- DMA support for the i.MX driver.
- One new driver for Broadcom BCM53xx chips.
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Merge tag 'spi-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A quiet release for SPI, mainly driver updates and not too many of
them:
- Support for dummy transfers (for delays on startup) in drivers
using transfer_one().
- Lots of enhancements to the Designware driver to support new Intel
SoCs.
- Support for newer Renesas chips.
- DMA support for the i.MX driver.
- One new driver for Broadcom BCM53xx chips"
* tag 'spi-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (64 commits)
spi: spi-mxs: fix a tiny typo in a comment
spi: dw-mid: follow new DMAengine workflow
spi: dw-mid: convert to use DMAengine wrappers
spi: dw-mid: change magic numbers to the constants
spi: orion: support armada extended baud rates
spi: fsl: Sort include headers alphabetically
spi: bcm53xx: Add missing module information
spi: bcm53xx: Fix module dependency
spi/rockchip: fix bug that cause the failure to read data in DMA mode
spi: fsl-dspi: Remove probe info message
spi: pl022: Add support for chip select extension
spi: Fix possible ZERO_SIZE_PTR pointer dereferencing error.
spi: dw: fix style of code in few places
spi: dw: introduce support of loopback mode
spi: dw-mid: terminate ongoing transfers at exit
spi: dw-mid: respect 8 bit mode
spi: clps711x: Migrate to the new clk subsystem
spi: pl022: Add missing error check for devm_kzalloc
spi: spi-imx: add DMA support
spi: davinci: add support for adding delay between word's transmissions
...
This time around most of the changes are a lot of new drivers along with
the standard set of fixes and cleanups (thanks again largely to Axel
Lin). We do have one nice new feature in the core which factors out the
disappointingly tricky code around DT parsing, only a couple of drivers
have been converted so far:
- Factor out the code for parsing the standard bindings for a set of
regulators out of DT, making the probe part of a lot of drivers
simplier.
- New drivers for Dialog DA9213, HiSilicon HI6420, Intersil ISL9305/H,
Ricoh RN5T618, Rockchip RK808, Skyworks SKY81452, Silergy SYR82x, and
Qualcomm RPM.
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Merge tag 'regulator-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This time around most of the changes are a lot of new drivers along
with the standard set of fixes and cleanups (thanks again largely to
Axel Lin). We do have one nice new feature in the core which factors
out the disappointingly tricky code around DT parsing, only a couple
of drivers have been converted so far:
- Factor out the code for parsing the standard bindings for a set of
regulators out of DT, making the probe part of a lot of drivers
simplier.
- New drivers for Dialog DA9213, HiSilicon HI6420, Intersil
ISL9305/H, Ricoh RN5T618, Rockchip RK808, Skyworks SKY81452,
Silergy SYR82x, and Qualcomm RPM"
* tag 'regulator-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (71 commits)
regulator: da9211: Fix a bug in update of mask bit
regulator: pwm-regulator: add devicetree bindings for pwm regulator
regulator: pwm-regulator: get voltage and duty table from dts
regulator: qcom_rpm: Fix FORCE_MODE_IS_2_BITS macro
regulator: qcom_rpm: Don't explicitly initialise the first field of config
regulator: ltc3589: fix broken voltage transitions
regulator: qcom-rpm: Regulator driver for the Qualcomm RPM
regulator: axp20x: Use parent device as regulator configuration device
regulator: fan53555: Fix null pointer dereference
regulator: fan53555: Fixup report wrong vendor message
regulator: fan53555: fix wrong cast in probe
regulator: fan53555: add support for Silergy SYR82x regulators
regulator: fan53555: add devicetree support
regulator: add devicetree bindings for Fairchild FAN53555 regulators
regulator: rk808: Add function for ramp delay for buck1/buck2
regulator: fan53555: use set_ramp_delay to set the ramp up slew rate
regulator: fan53555: enable vin supply
regulator: rk808: Fix missing of_node_put
regulator: rk808: Remove unused variables
regulator: of: Add stub OF match function for !OF case
...
The main update this time around is the addition of a standard DT
binding for specifying the endianness of devices. This allows drivers
to support any endianness of device register map without any code,
useful for configurable IP blocks.
There's also a few bug fixes that I didn't get round to sending, none of
them terribly severe or new, and a reduction in size for struct regmap.
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Merge tag 'regmap-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"The main update this time around is the addition of a standard DT
binding for specifying the endianness of devices. This allows drivers
to support any endianness of device register map without any code,
useful for configurable IP blocks.
There's also a few bug fixes that I didn't get round to sending, none
of them terribly severe or new, and a reduction in size for struct
regmap"
* tag 'regmap-v3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: Fix debugfs-file 'registers' mode
regmap: fix possible ZERO_SIZE_PTR pointer dereferencing error.
regmap: debugfs: fix possbile NULL pointer dereference
regmap: fix NULL pointer dereference in _regmap_write/read
regmap: fix NULL pointer dereference in regmap_get_val_endian
regmap: cache: Do not fail silently from regcache_sync calls
regmap: change struct regmap's internal locks as union
regmap: Split regmap_get_endian() in two functions
regmap: of_regmap_get_endian() cleanup
regmap: Fix DT endianess parsing logic
regmap: Add explicit dependencies to catch "select" misuse
regmap: Restore L: linux-kernel@vger.kernel.org entry
regmap: Add the DT binding documentation for endianness
regmap: add DT endianness binding support.
development series:
- New drivers for the Freescale i.MX21, Qualcomm APQ8084
pin controllers.
- Incremental new features on the Rockchip, atlas 6,
OMAP, AM437x, APQ8064, prima2, AT91, Tegra, i.MX, Berlin
and Nomadik.
- Push Freescale drivers down into their own subdirectory.
- Assorted sprays of syntax and semantic fixes.
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Merge tag 'pinctrl-v3.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control changes from Linus Walleij:
"This is the bulk of pin control changes for the v3.18 development
series:
- New drivers for the Freescale i.MX21, Qualcomm APQ8084 pin
controllers.
- Incremental new features on the Rockchip, atlas 6, OMAP, AM437x,
APQ8064, prima2, AT91, Tegra, i.MX, Berlin and Nomadik.
- Push Freescale drivers down into their own subdirectory.
- Assorted sprays of syntax and semantic fixes"
* tag 'pinctrl-v3.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
pinctrl: specify bindings for pins and groups
pinctrl: nomadik: improve GPIO debug prints
pinctrl: abx500: refactor DT parser to take two paths
pinctrl: abx500: use helpers for map allocation/free
pinctrl: alter device tree bindings for functions
pinctrl: nomadik: refactor DT parser to take two paths
pinctrl: nomadik: use utils map free function
pinctrl: nomadik: use util function to reserve maps
pinctrl: qcom: use restart_notifier mechanism for ps_hold
pinctrl: sh-pfc: sh73a0: Remove unnecessary SoC data allocation
pinctrl: berlin: fix the dt_free_map function
pinctrl: at91: disable PD or PU before enabling PU or PD
pinctrl: st: remove gpiochip in failure cases
pinctrl: at91: Fix error handling while doing gpiochio_irqchip_add
pinctrl: at91: Fix failure path in at91_gpio_probe path
pinctrl: lantiq: Release gpiochip resources in fail case
pinctrl: imx: detect uninitialized pins
pinctrl: tegra: Add MIPI pad control
pinctrl: at91: Switch to using managed clk_get
pinctrl: adi2: Remove duplicate gpiochip_remove_pin_ranges
...
nothing earth-shattering.
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Merge tag 'edac_for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC fixes from Borislav Petkov:
"Misc small fixes/improvements accumulated from the summer months,
nothing earth-shattering.
The mpc85xx_edac fix is tagged for stable but since it got confirmed
only days before the final 3.17 release, I didn't rush a last minute
pull request to you. I hope that's ok as it will trickle down to
stable anyway and we'll make sure it lands in 3.17-stable too"
* tag 'edac_for_3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
mpc85xx_edac: Make L2 interrupt shared too
amd64_edac: Modify usage of amd64_read_dct_pci_cfg()
ppc4xx_edac: Fix build error caused by wrong member access
EDAC: Fix mem_types strings type
1/ Step down as dmaengine maintainer see commit 08223d80df "dmaengine
maintainer update"
2/ Removal of net_dma, as it has been marked 'broken' since 3.13 (commit
7787380336 "net_dma: mark broken"), without reports of performance
regression.
3/ Miscellaneous fixes
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Merge tag 'dmaengine-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine
Pull dmaengine updates from Dan Williams:
"Even though this has fixes marked for -stable, given the size and the
needed conflict resolutions this is 3.18-rc1/merge-window material.
These patches have been languishing in my tree for a long while. The
fact that I do not have the time to do proper/prompt maintenance of
this tree is a primary factor in the decision to step down as
dmaengine maintainer. That and the fact that the bulk of drivers/dma/
activity is going through Vinod these days.
The net_dma removal has not been in -next. It has developed simple
conflicts against mainline and net-next (for-3.18).
Continuing thanks to Vinod for staying on top of drivers/dma/.
Summary:
1/ Step down as dmaengine maintainer see commit 08223d80df
"dmaengine maintainer update"
2/ Removal of net_dma, as it has been marked 'broken' since 3.13
(commit 7787380336 "net_dma: mark broken"), without reports of
performance regression.
3/ Miscellaneous fixes"
* tag 'dmaengine-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine:
net: make tcp_cleanup_rbuf private
net_dma: revert 'copied_early'
net_dma: simple removal
dmaengine maintainer update
dmatest: prevent memory leakage on error path in thread
ioat: Use time_before_jiffies()
dmaengine: fix xor sources continuation
dma: mv_xor: Rename __mv_xor_slot_cleanup() to mv_xor_slot_cleanup()
dma: mv_xor: Remove all callers of mv_xor_slot_cleanup()
dma: mv_xor: Remove unneeded mv_xor_clean_completed_slots() call
ioat: Use pci_enable_msix_exact() instead of pci_enable_msix()
drivers: dma: Include appropriate header file in dca.c
drivers: dma: Mark functions as static in dma_v3.c
dma: mv_xor: Add DMA API error checks
ioat/dca: Use dev_is_pci() to check whether it is pci device
Use current logging functions and add module name prefix.
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cheers,
Rusty.
PS. My virtio-next tree is empty: DaveM took the patches I had. There might
be a virtio-rng starvation fix, but so far it's a bit voodoo so I will
get to that in the next two days or it will wait.
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Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module update from Rusty Russell:
"Nothing major: support for compressing modules, and auto-tainting
params.
PS. My virtio-next tree is empty: DaveM took the patches I had. There
might be a virtio-rng starvation fix, but so far it's a bit voodoo
so I will get to that in the next two days or it will wait"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
moduleparam: Resolve missing-field-initializer warning
kbuild: handle module compression while running 'make modules_install'.
modinst: wrap long lines in order to enhance cmd_modules_install
modsign: lookup lines ending in .ko in .mod files
modpost: simplify file name generation of *.mod.c files
modpost: reduce visibility of symbols and constify r/o arrays
param: check for tainting before calling set op.
drm/i915: taint the kernel if unsafe module parameters are set
module: add module_param_unsafe and module_param_named_unsafe
module: make it possible to have unsafe, tainting module params
module: rename KERNEL_PARAM_FL_NOARG to avoid confusion
The of_node_put() calls in imx_es8328_probe() may take uninitialized
pointers when reached though the early error path. This patch adds
the proper NULL initialization for fixing these.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
The Broadcom OSB4 IDE Controller (vendor and device IDs: 1166:0211)
does not support 64-KB DMA transfers.
Whenever a 64-KB DMA transfer is attempted,
the transfer fails and messages similar to the following
are written to the console log:
[ 2431.851125] sr 0:0:0:0: [sr0] Unhandled sense code
[ 2431.851139] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 2431.851152] sr 0:0:0:0: [sr0] Sense Key : Hardware Error [current]
[ 2431.851166] sr 0:0:0:0: [sr0] Add. Sense: Logical unit communication time-out
[ 2431.851182] sr 0:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 76 f4 00 00 40 00
[ 2431.851210] end_request: I/O error, dev sr0, sector 121808
When the libata and pata_serverworks modules
are recompiled with ATA_DEBUG and ATA_VERBOSE_DEBUG defined in libata.h,
the 64-KB transfer size in the scatter-gather list can be seen
in the console log:
[ 2664.897267] sr 9:0:0:0: [sr0] Send:
[ 2664.897274] 0xf63d85e0
[ 2664.897283] sr 9:0:0:0: [sr0] CDB:
[ 2664.897288] Read(10): 28 00 00 00 7f b4 00 00 40 00
[ 2664.897319] buffer = 0xf6d6fbc0, bufflen = 131072, queuecommand 0xf81b7700
[ 2664.897331] ata_scsi_dump_cdb: CDB (1:0,0,0) 28 00 00 00 7f b4 00 00 40
[ 2664.897338] ata_scsi_translate: ENTER
[ 2664.897345] ata_sg_setup: ENTER, ata1
[ 2664.897356] ata_sg_setup: 3 sg elements mapped
[ 2664.897364] ata_bmdma_fill_sg: PRD[0] = (0x66FD2000, 0xE000)
[ 2664.897371] ata_bmdma_fill_sg: PRD[1] = (0x65000000, 0x10000)
------------------------------------------------------> =======
[ 2664.897378] ata_bmdma_fill_sg: PRD[2] = (0x66A10000, 0x2000)
[ 2664.897386] ata1: ata_dev_select: ENTER, device 0, wait 1
[ 2664.897422] ata_sff_tf_load: feat 0x1 nsect 0x0 lba 0x0 0x0 0xFC
[ 2664.897428] ata_sff_tf_load: device 0xA0
[ 2664.897448] ata_sff_exec_command: ata1: cmd 0xA0
[ 2664.897457] ata_scsi_translate: EXIT
[ 2664.897462] leaving scsi_dispatch_cmnd()
[ 2664.897497] Doing sr request, dev = sr0, block = 0
[ 2664.897507] sr0 : reading 64/256 512 byte blocks.
[ 2664.897553] ata_sff_hsm_move: ata1: protocol 7 task_state 1 (dev_stat 0x58)
[ 2664.897560] atapi_send_cdb: send cdb
[ 2666.910058] ata_bmdma_port_intr: ata1: host_stat 0x64
[ 2666.910079] __ata_sff_port_intr: ata1: protocol 7 task_state 3
[ 2666.910093] ata_sff_hsm_move: ata1: protocol 7 task_state 3 (dev_stat 0x51)
[ 2666.910101] ata_sff_hsm_move: ata1: protocol 7 task_state 4 (dev_stat 0x51)
[ 2666.910129] sr 9:0:0:0: [sr0] Done:
[ 2666.910136] 0xf63d85e0 TIMEOUT
lspci shows that the driver used for the Broadcom OSB4 IDE Controller is
pata_serverworks:
00:0f.1 IDE interface: Broadcom OSB4 IDE Controller (prog-if 8e [Master SecP SecO PriP])
Flags: bus master, medium devsel, latency 64
[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [size=8]
[virtual] Memory at 000003f0 (type 3, non-prefetchable) [size=1]
I/O ports at 0170 [size=8]
I/O ports at 0374 [size=4]
I/O ports at 1440 [size=16]
Kernel driver in use: pata_serverworks
The pata_serverworks driver supports five distinct device IDs,
one being the OSB4 and the other four belonging to the CSB series.
The CSB series appears to support 64-KB DMA transfers,
as tests on a machine with an SAI2 motherboard
containing a Broadcom CSB5 IDE Controller (vendor and device IDs: 1166:0212)
showed no problems with 64-KB DMA transfers.
This problem was first discovered when attempting to install openSUSE
from a DVD on a machine with an STL2 motherboard.
Using the pata_serverworks module,
older releases of openSUSE will not install at all due to the timeouts.
Releases of openSUSE prior to 11.3 can be installed by disabling
the pata_serverworks module using the brokenmodules boot parameter,
which causes the serverworks module to be used instead.
Recent releases of openSUSE (12.2 and later) include better error recovery and
will install, though very slowly.
On all openSUSE releases, the problem can be recreated
on a machine containing a Broadcom OSB4 IDE Controller
by mounting an install DVD and running a command similar to the following:
find /mnt -type f -print | xargs cat > /dev/null
The patch below corrects the problem.
Similar to the other ATA drivers that do not support 64-KB DMA transfers,
the patch changes the ata_port_operations qc_prep vector to point to a routine
that breaks any 64-KB segment into two 32-KB segments and
changes the scsi_host_template sg_tablesize element to reduce by half
the number of scatter/gather elements allowed.
These two changes affect only the OSB4.
Signed-off-by: Scott Carter <ccscott@funsoft.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
lib/glob.c provides a new glob_match() function, with arguments in
(pattern, string) order. It replaced a private function with arguments
in (string, pattern) order, but I didn't swap the call site...
The result was the entire ATA blacklist was effectively disabled.
The lesson for today is "I f***ed up *how* badly *how* many months ago?",
er, I mean "Nobody Tests RC Kernels On Legacy Hardware".
This was not a subtle break, but it made it through an entire RC
cycle unreported, presumably because all the people doing testing
have full-featured hardware.
(FWIW, the reason for the argument swap was because fnmatch() does it that
way, and for a while implementing a full fnmatch() was being considered.)
Fixes: 428ac5fc05 (libata: Use glob_match from lib/glob.c)
Reported-by: Steven Honeyman <stevenhoneyman@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=71371#c21
Signed-off-by: George Spelvin <linux@horizon.com>
Cc: <stable@vger.kernel.org> # 3.17
Tested-by: Steven Honeyman <stevenhoneyman@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
There is no reason to emit a log message for these.
Based upon a suggestion from Hannes Frederic Sowa.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
I will no longer be working for Intel as of today. As such I am removing
myself from the maintainers list and adding my replacement, Matthew Vick
as he will be taking over maintenance of the fm10k driver.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As we may defragment the packet in IPv4 PRE_ROUTING and refragment
it after POST_ROUTING we should save the value of frag_max_size.
This is still very wrong as the bridge is supposed to leave the
packets intact, meaning that the right thing to do is to use the
original frag_list for fragmentation.
Unfortunately we don't currently guarantee that the frag_list is
left untouched throughout netfilter so until this changes this is
the best we can do.
There is also a spot in FORWARD where it appears that we can
forward a packet without going through fragmentation, mark it
so that we can fix it later.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for volatile writes which keep data pages in memory
until f2fs_evict_inode is called by iput.
For instance, we can use this feature for the sqlite database as follows.
While supporting atomic writes for main database file, we can keep its journal
data temporarily in the page cache by the following sequence.
1. open
-> ioctl(F2FS_IOC_START_VOLATILE_WRITE);
2. writes
: keep all the data in the page cache.
3. flush to the database file with atomic writes
a. ioctl(F2FS_IOC_START_ATOMIC_WRITE);
b. writes
c. ioctl(F2FS_IOC_COMMIT_ATOMIC_WRITE);
4. close
-> drop the cached data
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
One aim of commit 50100a5e39 ("tipc:
use pseudo message to wake up sockets after link congestion") was
to handle link congestion abatement in a uniform way for both unicast
and multicast transmit. However, the latter doesn't work correctly,
and has been broken since the referenced commit was applied.
If a user now sends a burst of multicast messages that is big
enough to cause broadcast link congestion, it will be put to sleep,
and not be waked up when the congestion abates as it should be.
This has two reasons. First, the flag that is used, TIPC_WAKEUP_USERS,
is set correctly, but in the wrong field. Instead of setting it in the
'action_flags' field of the arrival node struct, it is by mistake set
in the dummy node struct that is owned by the broadcast link, where it
will never tested for. Second, we cannot use the same flag for waking
up unicast and multicast users, since the function tipc_node_unlock()
needs to pick the wakeup pseudo messages to deliver from different
queues. It must hence be able to distinguish between the two cases.
This commit solves this problem by adding a new flag
TIPC_WAKEUP_BCAST_USERS, and a new function tipc_bclink_wakeup_user().
The latter is to be called by tipc_node_unlock() when the named flag,
now set in the correct field, is encountered.
v2: using explicit 'unsigned int' declaration instead of 'uint', as
per comment from David Miller.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the SNDRV_PCM_STREAM_CAPTURE branch in soc_pcm_apply_msb(), look at
sig_bits of the capture stream, not the playback one.
Spotted by coverity.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The uninitialized default of 0 for gpio_hp_det and gpio_mic_det doesn't
play well with asm-generic's gpio_is_valid():
static inline bool gpio_is_valid(int number)
{
return number >= 0 && number < ARCH_NR_GPIOS;
}
Hence on r8a7740/armadillo-legacy:
sh-mobile-hdmi sh-mobile-hdmi: SH Mobile HDMI Audio Codec
sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Headphones
sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Mic Jack
After that the kernel log is spammed ca. 7 times per second with:
sh-mobile-hdmi sh-mobile-hdmi: ASoC: DAPM unknown pin Headphones
Initialize the GPIO numbers with a negative number (-ENOENT) to fix this.
Fixes: 3fe240326c ("ASoC: simple-card: Add mic and hp detect gpios.")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge ipmi patches from Corey Minyard:
"These have been in linux-next for a while, ready for 3.18"
* emailed patches from Corey Minyard <minyard@acm.org>:
ipmi: Clear drvdata when interface is removed
ipmi: work around gcc-4.9 build warning
ipmi/of: Don't use unavailable interfaces
ipmi: Clean up the error handling for channel config errors
This patch fixes a bug on hotmod removing.
After ipmi interface is removed using hotmod, kernel panic occurs when
rmmod impi_si. For example, try this:
# echo "remove,"`cat /proc/ipmi/0/params` > \
/sys/module/ipmi_si/parameters/hotmod
# rmmod ipmi_si
Then, rmmod fails with the following messages.
------------[ cut here ]------------
WARNING: CPU: 12 PID: 10819 at /mnt/repos/linux/lib/list_debug.c:53 __list_del_entry+0x63/0xd0()
CPU: 12 PID: 10819 Comm: rmmod Not tainted 3.17.0-rc1 #19
Hardware name: FUJITSU-SV PRIMERGY BX920 S2/D3030, BIOS 080015 Rev.3D81.3030 02/10/2012
Call Trace:
dump_stack+0x45/0x56
warn_slowpath_common+0x7d/0xa0
warn_slowpath_fmt+0x4c/0x50
__list_del_entry+0x63/0xd0
list_del+0xd/0x30
cleanup_one_si+0x2a/0x230 [ipmi_si]
ipmi_pnp_remove+0x15/0x20 [ipmi_si]
pnp_device_remove+0x24/0x40
__device_release_driver+0x7f/0xf0
driver_detach+0xb0/0xc0
bus_remove_driver+0x55/0xd0
driver_unregister+0x2c/0x50
pnp_unregister_driver+0x12/0x20
cleanup_ipmi_si+0xbc/0xf0 [ipmi_si]
SyS_delete_module+0x132/0x1c0
system_call_fastpath+0x16/0x1b
---[ end trace 70b4377268f85c23 ]---
list_del in cleanup_one_si() fails because the smi_info is already
removed when hotmod removing.
When ipmi interface is removed by hotmod, smi_info is removed by
cleanup_one_si(), but is is still set in drvdata. Therefore when rmmod
ipmi_si, ipmi_pnp_remove tries to remove it again and fails.
By this patch, a pointer to smi_info in drvdata is cleared when hotmod
removing so that it will be not accessed when rmmod.
changelog:
v2:
- Clear drvdata in cleanup_one_si
- Change subject
v1:
https://lkml.org/lkml/2014/9/8/741
Signed-off-by: Takao Indoh <indou.takao@jp.fujitsu.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Building ipmi on arm with gcc-4.9 results in this warning for an
allmodconfig build:
drivers/char/ipmi/ipmi_si_intf.c: In function 'ipmi_thread':
include/linux/time.h:28:5: warning: 'busy_until.tv_sec' may be used uninitialized in this function [-Wmaybe-uninitialized]
if (lhs->tv_sec > rhs->tv_sec)
^
drivers/char/ipmi/ipmi_si_intf.c:1007:18: note: 'busy_until.tv_sec' was declared here
struct timespec busy_until;
^
The warning is bogus and this case can not occur. Apparently this is a
false positive resulting from gcc getting a little smarter about
tracking assignments but not smart enough.
Marking the ipmi_thread_busy_wait function as inline gives the gcc
optimization logic enough information to figure out for itself that the
case cannot happen, which gets rid of the warning without adding any
fake initialization.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If an IPMI controller is used by the firmware and as such marked with
a reserved status, we shouldn't use it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The code to send the channel config errors was missing an error report
in one place and needed some more information in another, and had an
extraneous bit of code. Clean all that up.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Testing xmit_more support with netperf and connected UDP sockets,
I found strange dst refcount false sharing.
Current handling of IFF_XMIT_DST_RELEASE is not optimal.
Dropping dst in validate_xmit_skb() is certainly too late in case
packet was queued by cpu X but dequeued by cpu Y
The logical point to take care of drop/force is in __dev_queue_xmit()
before even taking qdisc lock.
As Julian Anastasov pointed out, need for skb_dst() might come from some
packet schedulers or classifiers.
This patch adds new helper to cleanly express needs of various drivers
or qdiscs/classifiers.
Drivers that need skb_dst() in their ndo_start_xmit() should call
following helper in their setup instead of the prior :
dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
->
netif_keep_dst(dev);
Instead of using a single bit, we use two bits, one being
eventually rebuilt in bonding/team drivers.
The other one, is permanent and blocks IFF_XMIT_DST_RELEASE being
rebuilt in bonding/team. Eventually, we could add something
smarter later.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Drivers should avoid NETDEV_TX_BUSY as much as possible.
They should stop the tx queue before qdisc even tries to push another
packet, to avoid requeues.
For a driver supporting skb->xmit_more, this is likely to be a prereq
anyway, otherwise we could have a tx deadlock : We need to force a
doorbell if TX ring is full.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 6f2b6a3005,
# 3c59x: Add dma error checking and recovery
the intent is to split out the mapping from the byte-swapping in order to
insert a dma_mapping_error() check.
Kinda this semantic patch:
// See http://coccinelle.lip6.fr/
//
// Beware, grouik-and-dirty!
@@
expression DEV, X, Y, Z;
@@
- cpu_to_le32(pci_map_single(DEV, X, Y, Z))
+ dma_addr_t addr = pci_map_single(DEV, X, Y, Z);
+ if (dma_mapping_error(&DEV->dev, addr))
+ /* snip */;
+ cpu_to_le32(addr)
However, the #else part (of the #if DO_ZEROCOPY test) is changed this way:
- cpu_to_le32(pci_map_single(DEV, X, Y, Z))
+ dma_addr_t addr = cpu_to_le32(pci_map_single(DEV, X, Y, Z));
// ^^^^^^^^^^^
// That mismatches the 3 other changes!
+ if (dma_mapping_error(&DEV->dev, addr))
+ /* snip */;
+ cpu_to_le32(addr)
Let's remove the leftover cpu_to_le32() for coherency.
v2: Better changelog.
v3: Add Acked-by
Fixes: 6f2b6a3005
# 3c59x: Add dma error checking and recovery
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Sylvain "ythier" Hitier <sylvain.hitier@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
An error code was forgotten to be passed in the error path of
imx_es8328_probe().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
GENET MAC has three Tx ring priority registers:
- GENET_x_TDMA_PRIORITY0 for queues 0-5
- GENET_x_TDMA_PRIORITY1 for queues 6-11
- GENET_x_TDMA_PRIORITY2 for queues 12-16
Fix bcmgenet_init_multiq() to program them correctly.
Signed-off-by: Petri Gynther <pgynther@google.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adjust fixed_phy_register() to return struct phy_device *, so that
it becomes easy to use fixed PHYs without device tree support:
phydev = fixed_phy_register(PHY_POLL, &fixed_phy_status, NULL);
fixed_phy_set_link_update(phydev, fixed_phy_link_update);
phy_connect_direct(netdev, phydev, handler_fn, phy_interface);
This change is a prerequisite for modifying bcmgenet driver to work
without a device tree on Broadcom's MIPS-based 7xxx platforms.
Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is another Thinkpad T440 with SSID 17aa:2212 that has a dock
port.
Reported-by: Siwei Luo <sluo@smartbeans.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Merge tag 'tiny/for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux
Pull "tinification" patches from Josh Triplett.
Work on making smaller kernels.
* tag 'tiny/for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/josh/linux:
bloat-o-meter: Ignore syscall aliases SyS_ and compat_SyS_
mm: Support compiling out madvise and fadvise
x86: Support compiling out human-friendly processor feature names
x86: Drop support for /proc files when !CONFIG_PROC_FS
x86, boot: Don't compile early_serial_console.c when !CONFIG_EARLY_PRINTK
x86, boot: Don't compile aslr.c when !CONFIG_RANDOMIZE_BASE
x86, boot: Use the usual -y -n mechanism for objects in vmlinux
x86: Add "make tinyconfig" to configure the tiniest possible kernel
x86, platform, kconfig: move kvmconfig functionality to a helper
Coverity spotted a possible DIV0 condition when cdev->n_streams is 0.
Fix this by making sure the value is > 1 in snd_usb_caiaq_audio_init().
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Coverity spotted an issue with strncpy() in pm860x_codec_probe()
which does not take the \0 termination byte into account. Fix this
by making the buffers one byte larger so the can really accommodate
MAX_NAME_LEN bytes long strings.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Coverity spotted an use-after-free condition in snd_soc_remove_platform().
Fix this by moving snd_soc_component_cleanup() after the debug print
statement which uses the component's string.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Coverity spotted the following possible use-after-free condition in
dapm_create_or_share_mixmux_kcontrol():
If kcontrol is NULL, and (wname_in_long_name && kcname_in_long_name)
validates to true, 'name' will be set to an allocated string, and be
freed a few lines later via the 'long_name' alias. 'name', however,
is used by dev_err() in case snd_ctl_add() fails.
Fix this by adding a jump label that frees 'long_name' at the end of
the function.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The new testcase that checks phandle consistency was using a hash table
on the stack which made the frame size much large than it should be. Fix
the problem by moving the hash table into the file scope.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
From what I can see, the generic parser is now good enough to handle
Realtek's inverted dmic handling, so let's remove the special handling
and use the generic parser instead.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Probably not a big deal, but we'd better just use the
one we get in retry loop.
Fixes: commit 22e0f8b932 ("net: sched: make bstats per cpu and estimator RCU safe")
Reported-by: Joe Perches <joe@perches.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a openvswitch compilation error when CONFIG_INET is not set:
=====================================================
In file included from include/net/geneve.h:4:0,
from net/openvswitch/flow_netlink.c:45:
include/net/udp_tunnel.h: In function 'udp_tunnel_handle_offloads':
>> include/net/udp_tunnel.h💯2: error: implicit declaration of function 'iptunnel_handle_offloads' [-Werror=implicit-function-declaration]
>> return iptunnel_handle_offloads(skb, udp_csum, type);
>> ^
>> >> include/net/udp_tunnel.h💯2: warning: return makes pointer from integer without a cast
>> >> cc1: some warnings being treated as errors
=====================================================
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix a sparse warning introduced by commit:
f579668406 (openvswitch: Add support for
Geneve tunneling.) caught by kbuild test robot:
reproduce:
# apt-get install sparse
# git checkout f579668406
# make ARCH=x86_64 allmodconfig
# make C=1 CF=-D__CHECK_ENDIAN__
#
#
# sparse warnings: (new ones prefixed by >>)
#
# >> net/openvswitch/vport-geneve.c:109:15: sparse: incorrect type in assignment (different base types)
# net/openvswitch/vport-geneve.c:109:15: expected restricted __be16 [usertype] sport
# net/openvswitch/vport-geneve.c:109:15: got int
# >> net/openvswitch/vport-geneve.c:110:56: sparse: incorrect type in argument 3 (different base types)
# net/openvswitch/vport-geneve.c:110:56: expected unsigned short [unsigned] [usertype] value
# net/openvswitch/vport-geneve.c:110:56: got restricted __be16 [usertype] sport
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Hannes Frederic Sowa says:
====================
ipv6: cleanup after rt6_genid removal
Leftover patches after rt6_genid removal after 705f1c869d ("ipv6:
remove rt6i_genid").
Major two changes are:
* keep fib6_sernum per namespace to reduce number of flushes in case
system has high number of namespaces
* make fn_sernum updates cheaper
v2: Incorporated feedback from Cong Wang, thanks a lot!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: YOSHIFUJI Hideaki <hideaki@yoshifuji.org>
Cc: Martin Lau <kafai@fb.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Try to reduce number of possible fn_sernum mutation by constraining them
to their namespace.
Also remove rt_genid which I forgot to remove in 705f1c869d ("ipv6:
remove rt6i_genid").
Cc: YOSHIFUJI Hideaki <hideaki@yoshifuji.org>
Cc: Martin Lau <kafai@fb.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: YOSHIFUJI Hideaki <hideaki@yoshifuji.org>
Cc: Martin Lau <kafai@fb.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
