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2016-09-27staging: unisys: visorbus: Convert visorchannel_signalinsert() return valDavid Binder
Per Documentation/CodingStyle, function names that convey an action or an imperative command should return an integer. This commit converts the visorbus API function, visorchannel_signalinsert(), to returning integer values. All uses of this function are updated accordingly. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: visorbus: Convert visorchannel_signalremove() return valDavid Binder
Per Documentation/CodingStyle, function names that convey an action or an imperative command should return an integer. This commit converts the visorbus API function, visorchannel_signalremove(), to returning integer values. All uses of this function are updated accordingly. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: visorbus: Change support functions to integer return valsDavid Binder
Per Documentation/CodingStyle, function names that convey an action or an imperative command should return an integer value. This commit changes several functions and a macro, internal to visorchannel.c, to follow this paradigm. These changes will be necessary later on to change other functions in this file, which are part of the visorbus API, to return integer values in lieu of a boolean. Signed-off-by: David Binder <david.binder@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: make MODULE_DESCRIPTIONs consistentJon Frisch
This patch ensures that consistent verbiage is used in the MODULE_DESCRIPTION text (reported by 'modinfo') for all of the Unisys s-Par drivers. Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: remove version.hJon Frisch
This patch removes version.h and the last version.h include in visorchannel.c. Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: visornic: remove driver version from visornic_main.cJon Frisch
This patch removes the driver version from visornic_main.c Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: visorinput: remove driver version from visorinput.cJon Frisch
This patch removes the driver version and the version.h include from visorinput.c Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: visorbus: remove driver version from visorchipset.cJon Frisch
This patch removes the driver version and the version.h include from visorchipset.c Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: unisys: remove driver version from struct visor_driverJon Frisch
This patch removes the all instances of the driver version from struct visor_driver. This includes removing version, vertag (a human readable version string of the driver version) and version_attr from struct visor_driver. This resulted in removing the bus attributes and driver attributes which only contained the driver version. The utsname function is used to replace the driver version with the kernel version in bus_device_info_init(). Signed-off-by: Jon Frisch <jon.frisch@unisys.com> Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: ks7010: Use __packed over __attribute__((packed))Matt Kilgore
This replaces uses of __attribute__((packed)) with __packed, which is recommended to be used over the direct __attribute__. This patch then includes <linux/compiler.h> as necessary to use __packed. Signed-off-by: Matthew Kilgore <mattkilgore12@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: ks7010: Fix warnings on printk() usageSabitha George
This patch fixes the following warnings on ks7010_sdio.c 1. printk() should include KERN_ facility level 2. Prefer [subsystem eg: netdev]_err([subsystem]dev, ... then dev_err(dev, ... then pr_err(... to printk(KERN_ERR ... Signed-off-by: Sabitha George <sabitha.george@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: ks7010: ks_wlan_net: Use netdev_info instead of printkGeorgiana Rodica Chelu
Pass the net_device structure to print_hif_event function in order to use netdev_info instead of printk. Signed-off-by: Georgiana Rodica Chelu <georgiana.chelu93@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: ks7010: ks_wlan_net: Use netdev_ instead of printkGeorgiana Rodica Chelu
The checkpatch.pl script found the following warning: WARNING: printk() should include KERN_ facility level After adding the KERN_ facility level to printk(), the script showed another warning: WARNING: Prefer [subsystem eg: netdev]_info([subsystem]dev, ... then dev_info(dev, ... then pr_info(... to printk(KERN_INFO ... The warning is similar for KERN_ERR and KERN_DEBUG. In conclusion, use netdev_info(), netdev_err() or netdev_dbg() when there is a netdev device. Signed-off-by: Georgiana Rodica Chelu <georgiana.chelu93@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Staging: iio: light: constify attribute_group structuresBhumika Goyal
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: drivers/staging/iio/light/tsl2583.o text data bss dec hex filename 6529 1052 0 7581 1d9d drivers/staging/iio/light/tsl2583.o File size after: drivers/staging/iio/light/tsl2583.o text data bss dec hex filename 6593 988 0 7581 1d9d drivers/staging/iio/light/tsl2583.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Staging: iio: adc: constify attribute_group structuresBhumika Goyal
Check for attribute_group structures that are only stored in the attrs filed of iio_info structure. As the attrs field of iio_info structures is constant, so these attribute_group structures can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct attribute_group i@p = {...}; @ok1@ identifier r1.i; position p; struct iio_info x; @@ x.attrs=&i@p; @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct attribute_group i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct attribute_group i; File size before: drivers/staging/iio/adc/ad7280a.o text data bss dec hex filename 6487 584 776 7847 1ea7 drivers/staging/iio/adc/ad7280a.o File size after: drivers/staging/iio/adc/ad7280a.o text data bss dec hex filename 6551 544 776 7871 1ebf drivers/staging/iio/adc/ad7280a.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: wilc1000: fix sparse warning: symbol was not declared. Should it be ↵Matias Mucciolo
static? - Fixed a sparse warning: wilc_debugfs.c:32:10: warning: symbol 'WILC_DEBUG_LEVEL' was not declared. Should it be static? Signed-off-by: Matias Mucciolo <mmucciolo@suteba.org.ar> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Staging: wilc1000: constify cfg80211_ops structuresBhumika Goyal
Check for cfg80211_ops structures that are only passed as the first argument to the function wiphy_new. As this argument is constant, so cfg80211_ops structures having this property can also be declared constant. Done using coccinelle: @r1 disable optional_qualifier @ identifier i; position p; @@ static struct cfg80211_ops i@p = {...}; @ok1@ identifier r1.i; position p; expression e1; @@ wiphy_new(&i@p,e1) @bad@ position p!={r1.p,ok1.p}; identifier r1.i; @@ i@p @depends on !bad disable optional_qualifier@ identifier r1.i; @@ static +const struct cfg80211_ops i={...}; @depends on !bad disable optional_qualifier@ identifier r1.i; @@ +const struct cfg80211_ops i; File size before: text data bss dec hex filename 17468 2417 14912 34797 87ed drivers/staging/wilc1000/wilc_wfi_cfgoperations.o File size after: text data bss dec hex filename 18204 1681 14912 34797 87ed drivers/staging/wilc1000/wilc_wfi_cfgoperations.o Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: lustre: llite: add missing LMV_MAGIC_V1 casewang di
The port to upstream dropped handling the LMV_MAGIC_V1 case for ll_dir_getstripe. This adds it back. Signed-off-by: wang di <di.wang@intel.com> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3531 Reviewed-on: http://review.whamcloud.com/7228 Reviewed-by: Andreas Dilger <andreas.dilger@intel.com> Reviewed-by: John L. Hammond <john.hammond@intel.com> Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27greybus: manifest: style fix missing space before '('Quentin Lambert
Checkpatch printed a style ERROR concerning a missing space before '('. This patch fixes this issue. Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27staging: greybus/timesync: avoid divide by zero on X86 QemuBryan O'Donoghue
A system configured without CONFIG_CPUFREQ will return 0 for cpufreq_get(). greybus-timesync can subsequently then do a divide-by-zero as result. This patch fixes by checking for a zero return value from cpufreq_get() and setting to a default value of 19.2MHz. Reported-by: Rui Miguel Silva <rmfrfs@gmail.com> Signed-off-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27drivers/staging/greybus: gpio.c - Fixed a checkpatch generated warningChase Metzger
Removed braces for single line if statement. Signed-off-by: Chase Metzger <chasemetzger15@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27greybus: audio: fix uninitialized variable errors found by cppcheckVaibhav Agarwal
Currently, if info is null, the dev_err message is dereferencing an uninitialized module pointer. Instead, it should use codec->dev pointer in dev_err call and better align with other err msg in this function. Also, ret variable might be used uninitialized in a specific case. Avoid using it this way. Found using static analysis with cppcheck: Checking drivers/staging/greybus/audio_topology.c... [drivers/staging/greybus/audio_topology.c:175]: (error) Uninitialized variable: module [drivers/staging/greybus/audio_topology.c:495]: (error) Uninitialized variable: ret Reported-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Vaibhav Agarwal <vaibhav.sr@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27tty: amba-pl011: Don't complain on -EPROBE_DEFER when no irqKefeng Wang
Don't complain on -EPROBE_DEFER when attempting to get the irq. the driver probe will be retried later. Cc: Russell King <linux@armlinux.org.uk> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27nios2: dts: 10m50: Add tx-threshold parameterThor Thayer
The tx-threshold parameter sets the TX FIFO low water threshold trigger for the Altera 16550-FIFO32 soft IP. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: 8250: Set Altera 16550 TX FIFO ThresholdThor Thayer
The Altera 16550 soft IP UART requires 2 additional registers for TX FIFO threshold support. These 2 registers enable the TX FIFO Low Watermark and set the TX FIFO Low Watermark. Set the TX FIFO threshold to the FIFO size - tx_loadsz. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: 8250: of: Load TX FIFO Threshold from DTThor Thayer
Initialize the tx_loadsz parameter from passed in devicetree tx-threshold parameter. The tx_loadsz is calculated as the number of bytes to fill FIFO when tx-threshold is triggered. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Documentation: dt: serial: Add TX FIFO threshold parameterThor Thayer
Add the device tree binding needed to support the TX FIFO threshold parameter. Signed-off-by: Thor Thayer <tthayer@opensource.altera.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27drivers/tty: Explicitly pass current to show_stackMark Rutland
As noted in commit: 81539169f283329f ("x86/dumpstack: Remove NULL task pointer convention") ... having a NULL task parameter imply current leads to subtle bugs in stack walking code (so far seen on both 86 and arm64), makes callsites harder to read, and is unnecessary as all callers have access to current. As a step towards removing the problematic NULL-implies-current idiom entirely, have the sysrq code explicitly pass current to show_stack. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Slaby <jslaby@suse.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: imx: Fix DCD readingSascha Hauer
The USR2_DCDIN bit is tested for in register usr1. As the name suggests the usr2 register should be used instead. This fixes reading the Carrier detect status. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Fixes: 90ebc4838666 ("serial: imx: repair and complete handshaking") Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: <stable@vger.kernel.org> # 4.5+ Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: stm32: mark symbols static where possibleBaoyou Xie
We get 2 warnings when building kernel with W=1: drivers/tty/serial/stm32-usart.c:63:5: warning: no previous prototype for 'stm32_pending_rx' [-Wmissing-prototypes] drivers/tty/serial/stm32-usart.c:88:15: warning: no previous prototype for 'stm32_get_char' [-Wmissing-prototypes] In fact, these two functions are only used in the file in which they are declared and don't need a declaration, but can be made static. So this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: xuartps: Add some register initialisation to cdns_early_console_setup()Scott Telford
Add initialisation of control register and baud rate to cdns_early_console_setup(), required when running kernel standalone without a boot loader. Baud rate is only initialised when specified in earlycon command-line option, otherwise it is assumed this has been set by a boot loader. Updated Documentation/kernel-parameters.txt accordingly. Signed-off-by: Scott Telford <stelford@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: xuartps: Removed unwanted checks while reading the error conditionsNava kishore Manne
This patch Remove the unwated checks while reading the parity,framing, overrun and Break detection errors. Signed-off-by: Nava kishore Manne <navam@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> [stelford@cadence.com: cherry picked from https://github.com/Xilinx/linux-xlnx commit b1cf74970df5470ffbc8e7876a9edf5e3498ef94] Signed-off-by: Scott Telford <stelford@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: xuartps: Rewrite the interrupt handling logicAnirudha Sarangi
The existing interrupt handling logic has following issues. - Upon a parity error with default configuration, the control never comes out of the ISR thereby hanging Linux. - The error handling logic around framing and parity error are buggy. There are chances that the errors will never be captured. This patch ensures that the status registers are cleared on all cases so that a hang situation never arises. Signed-off-by: Anirudha Sarangi <anirudh@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> [stelford@cadence.com: cherry picked from https://github.com/Xilinx/linux-xlnx commit ac297e20d399850d7a8e373b6eccf2e183c15165 with manual conflict resolution] Signed-off-by: Scott Telford <stelford@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27serial: stm32: use mapbase instead of membase for DMAArnd Bergmann
Building this driver with a 64-bit dma_addr_t type results in a compiler warning: drivers/tty/serial/stm32-usart.c: In function 'stm32_of_dma_rx_probe': drivers/tty/serial/stm32-usart.c:746:20: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] drivers/tty/serial/stm32-usart.c: In function 'stm32_of_dma_tx_probe': drivers/tty/serial/stm32-usart.c:818:20: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] While the type conversion here is harmless, this hints at a different problem: we pass an __iomem pointer into a DMA engine, which expects a phys_addr_t. This happens to work because stm32 has no MMU and ioremap() is an identity mapping here, but it's still an incorrect API use. Using dma_addr_t is doubly wrong here, because that would be the result of dma_map_single() rather than the physical address. Using the mapbase instead fixes multiple issues: - the warning is gone - we don't go through ioremap in error - the cast is gone, making it use the correct resource_size_t/phys_addr_t type in the process. Fixes: 3489187204eb ("serial: stm32: adding dma support") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Gerald Baeza <gerald.baeza@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27tty/serial: atmel: fix fractional baud rate computationAlexey Starikovskiy
The problem with previous code was it rounded values in wrong place and produced wrong baud rate in some cases. Signed-off-by: Alexey Starikovskiy <aystarik@gmail.com> [nicolas.ferre@atmel.com: port to newer kernel and add commit log] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27drivers/misc/hpilo: Changes to support new security states in iLO5 FWRusk, Mark
Changes to support new security states of the iLO5 firmware. - use BAR5 for CCB's for iLO5 - simplification of error handling Signed-off-by: Mark Rusk <mark.rusk@hpe.com> Signed-off-by: David Altobelli <david.altobelli@hpe.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27MAINTAINERS: extend firmware_class maintainer listLuis R. Rodriguez
I've been reviewing changes proactively, and plan on doing more of this work. I'm doing this early as I should be getting e-mailed about proposed changes. Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Acked-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27debugfs: propagate release() call resultEric Engestrom
The result was being ignored and 0 was always returned. Return the actual result instead. Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27at25: fix debug and error messagingAndy Shevchenko
The patch does the following: - fixes specifiers and removes explicit casting of the parameters - joins literals to one line - increases readability of the parameters Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27misc/genwqe: ensure zero initializationSebastian Ott
Genwqe uses dma_alloc_coherent and depends on zero initialized memory. On one occasion it ueses an explicit memset on others it uses un-initialized memory. This bug was covered because some archs actually return zero initialized memory when using dma_alloc_coherent but this is by no means guaranteed. Simply switch to dma_zalloc_coherent. Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Frank Haverkamp <haver@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27vme: fake: remove unexpected unlock in fake_master_set()Wei Yongjun
image->lock is unlocked in some error handling path without take the lock, so remove those unexpected unlock. Fixes: 658bcdae9c67 ("vme: Adding Fake VME driver") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27vme: fake: mark symbols static where possibleBaoyou Xie
We get 4 warnings when building kernel with W=1: drivers/vme/bridges/vme_fake.c:384:6: warning: no previous prototype for 'fake_lm_check' [-Wmissing-prototypes] drivers/vme/bridges/vme_fake.c:619:6: warning: no previous prototype for 'fake_vmewrite8' [-Wmissing-prototypes] drivers/vme/bridges/vme_fake.c:649:6: warning: no previous prototype for 'fake_vmewrite16' [-Wmissing-prototypes] drivers/vme/bridges/vme_fake.c:679:6: warning: no previous prototype for 'fake_vmewrite32' [-Wmissing-prototypes] In fact, these functions are only used in the file in which they are declared and don't need a declaration, but can be made static. so this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27spmi: pmic-arb: Return an error code if sanity check failsChristophe JAILLET
If the test 'if (channel > 5)' is true, then we will return 'err' which is known to be 0 at this point. Return -EINVAL instead. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Drivers: hv: get rid of id in struct vmbus_channelVitaly Kuznetsov
The auto incremented counter is not being used anymore, get rid of it. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27Drivers: hv: make VMBus bus ids persistentVitaly Kuznetsov
Some tools use bus ids to identify devices and they count on the fact that these ids are persistent across reboot. This may be not true for VMBus as we use auto incremented counter from alloc_channel() as such id. Switch to using if_instance from channel offer, this id is supposed to be persistent. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27mcb: Add a dma_device to mcb_deviceMichael Moese
When performing DMA operations on a MCB device, the device needed for using the DMA API is "mcb_device->bus_carrier". This is rather lengthy, so a shortcut is introduced to struct mcb_device in order to ensure the MCB device driver uses the correct device for DMA operations. Signed-off-by: Michael Moese <michael.moese@men.de> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27mcb: Enable PCI bus mastering by defaultMichael Moese
In order to successfully perform DMA operations on PCI devices, it is necessary to enble PCI bus mastering, so enable it by default. Signed-off-by: Michael Moese <michael.moese@men.de> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27mei: stop the stall timer worker if not neededAlexander Usyskin
The stall timer worker checks periodically if there is a stalled i/o transaction. The issue with the current implementation is that the timer is ticking also when there is no pending i/o transaction. This patch provides a simple change that prevents rescheduling of the delayed work when there is no pending i/o. Cc: Andy Lutomirski <luto@kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27driver-core: platform: Catch errors from calls to irq_get_irq_dataGuenter Roeck
irq_get_irq_data() can return NULL, which results in a nasty crash. Check its return value before passing it on to irqd_set_trigger_type(). Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27sysfs print name of undiscoverable attribute groupJohannes Thumshirn
Print the name of an undiscoverable attribute group and not the pointer's address. Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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