- 15 Mar, 2015 8 commits
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int. As ret is in used for other calls a new appropriately typed variable timeout is added to handle wait_for_completion_timeout Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int. as wait_result is only used for wait_for_completion_timeout here the type is simply changed to unsigned long. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int. as time_left is used for wait_for_completion_timeout exclusively here its type is simply changed to unsigned long. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int, rather than introducing a new variable the wait_for_completion_timeout is moved into the if condition as the return value is only used to detect timeout. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int. The return variable is renamed to make the timeout condition clearly readable and the type adjusted to unsigned long. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
This is only an API consolidation and should make things more readable it replaces var * HZ / 1000 by msecs_to_jiffies(var). Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
return type of wait_for_completion_timeout is unsigned long not int. As ret was only used for wait_for_completion_timeout here it is renamed to time_left the type changed to unsigned long and references fixed up. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Reviewed-by: Alexandre Courbot <acourbot@nvidia.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Nicholas Mc Guire authored
Return type of wait_for_completion_timeout is unsigned long not int. An appropriately named unsigned long is added and the assignment fixed up. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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- 14 Mar, 2015 2 commits
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Neelesh Gupta authored
Hardware can do write-then-anything. Activate that. Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> [wsa: cosmetic updates] Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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- 13 Mar, 2015 12 commits
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Ray Jui <rjui@broadcom.com>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
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Wolfram Sang authored
Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-By: Ludovic Desroches <ludovic.desroches@atmel.com>
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Wolfram Sang authored
Let the core do the checks if HW quirks prevent a transfer. Saves code from drivers and adds consistency. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Ray Jui <rjui@broadcom.com> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com> Tested-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> Tested-By: Ludovic Desroches <ludovic.desroches@atmel.com>
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Wolfram Sang authored
The number of I2C adapters which are not fully I2C compatible is rising, sadly. Drivers usually do handle the flaws, still the user receives only some errno for a transfer which normally can be expected to work. This patch introduces a formal description of flaws. One advantage is that the core can check before the actual transfer if the messages could be transferred at all. This is done in the next patch. Another advantage is that we can pass this information to the user so the restrictions are exactly known and further actions can be based on that. This will be done later after some stabilization period for this description. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Tested-by: Ray Jui <rjui@broadcom.com> Tested-by: Ivan T. Ivanov <iivanov@mm-sol.com> Tested-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> Tested-By: Ludovic Desroches <ludovic.desroches@atmel.com>
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- 09 Mar, 2015 6 commits
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Uwe Kleine-König authored
Since 39b2bbe3 (gpio: add flags argument to gpiod_get*() functions) which appeared in v3.17-rc1, the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for outputs. Also there is an *_optional variant that serves well here. The sematics is slightly changed here by using it. Now if a reset gpio is specified and getting hold on it fails, pca954x_probe fails, too. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Jarkko Nikula authored
Simplifies the code a bit and makes easier to disable PCI device on driver detach by removing the pcim_pin_device() call in the future if needed. Reason why i2c-i801.c doesn't ever call pci_disable_device() was because it made some systems to hang during power-off. See commit d6fcb3b9 ("[PATCH] i2c-i801.c: don't pci_disable_device() after it was just enabled") and http://marc.info/?l=linux-kernel&m=115160053309535&w=2Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Jarkko Nikula authored
Since pci_disable_device() is not called from i801_suspend() and power state is set already it means that subsequent pci_enable_device() calls do practically nothing but monotonically increase struct pci_dev enable_cnt. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Jarkko Nikula authored
This simplifies the error and remove paths. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Jarkko Nikula authored
struct pci_driver i801_driver forward declaration is needed only for accessing the name field. Remove it and use dev_driver_string() instead. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Jarkko Nikula authored
It makes more difficult to grep these error prints from sources if they are split to multiple source lines. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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- 08 Mar, 2015 7 commits
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Linus Torvalds authored
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Al Viro authored
POLL_OUT isn't what callers of ->poll() are expecting to see; it's actually __SI_POLL | 2 and it's a siginfo code, not a poll bitmap bit... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Cc: stable@vger.kernel.org Cc: Bruce Fields <bfields@fieldses.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here's a round of USB fixes for 4.0-rc3. Nothing major, the usual gadget, xhci and usb-serial fixes and a few new device ids as well. All have been in linux-next successfully" * tag 'usb-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (36 commits) xhci: Workaround for PME stuck issues in Intel xhci xhci: fix reporting of 0-sized URBs in control endpoint usb: ftdi_sio: Add jtag quirk support for Cyber Cortex AV boards USB: ch341: set tty baud speed according to tty struct USB: serial: cp210x: Adding Seletek device id's USB: pl2303: disable break on shutdown USB: mxuport: fix null deref when used as a console USB: serial: clean up bus probe error handling USB: serial: fix port attribute-creation race USB: serial: fix tty-device error handling at probe USB: serial: fix potential use-after-free after failed probe USB: console: add dummy __module_get USB: ftdi_sio: add PIDs for Actisense USB devices Revert "USB: serial: make bulk_out_size a lower limit" cdc-acm: Add support for Denso cradle CU-321 usb-storage: support for more than 8 LUNs uas: Add US_FL_NO_REPORT_OPCODES for JMicron JMS539 USB: usbfs: don't leak kernel data in siginfo xhci: Clear the host side toggle manually when endpoint is 'soft reset' xhci: Allocate correct amount of scratchpad buffers ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are some tty and serial driver fixes for 4.0-rc3. Along with the atime fix that you know about, here are some other serial driver bugfixes as well. Most notable is a wait_until_sent bugfix that was traced back to being around since before 2.6.12 that Johan has fixed up. All have been in linux-next successfully" * tag 'tty-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: TTY: fix tty_wait_until_sent maximum timeout TTY: fix tty_wait_until_sent on 64-bit machines USB: serial: fix infinite wait_until_sent timeout TTY: bfin_jtag_comm: remove incorrect wait_until_sent operation net: irda: fix wait_until_sent poll timeout serial: uapi: Declare all userspace-visible io types serial: core: Fix iotype userspace breakage serial: sprd: Fix missing spin_unlock in sprd_handle_irq() console: Fix console name size mismatch tty: fix up atime/mtime mess, take four serial: 8250_dw: Fix get_mctrl behaviour serial:8250:8250_pci: delete unneeded quirk entries serial:8250:8250_pci: fix redundant entry report for WCH_CH352_2S Change email address for 8250_pci serial: 8250: Revert "tty: serial: 8250_core: read only RX if there is something in the FIFO" Revert "tty/serial: of_serial: add DT alias ID handling"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are some IIO and staging driver fixes for 4.0-rc3. Details are in the shortlog, nothing major, mostly IIO fixes for reported issues. All have been in linux-next successfully" * tag 'staging-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (23 commits) staging: comedi: adv_pci1710: fix AI INSN_READ for non-zero channel staging: comedi: vmk80xx: remove "firmware version" kernel messages staging: comedi: comedi_isadma: fix "stalled" detect in comedi_isadma_disable_on_sample() iio: ak8975: fix AK09911 dependencies iio: common: ssp_sensors: Protect PM-only functions to kill warning IIO: si7020: Allocate correct amount of memory in devm_iio_device_alloc Revert "iio:humidity:si7020: fix pointer to i2c client" iio: light: gp2ap020a00f: Select REGMAP_I2C iio: light: jsa1212: Select REGMAP_I2C iio: ad5686: fix optional reference voltage declaration iio:adc:mcp3422 Fix incorrect scales table iio: mxs-lradc: fix iio channel map regression iio: imu: adis16400: Fix sign extension staging: iio: ad2s1200: Fix sign extension iio: mxs-lradc: only update the buffer when its conversions have finished iio: mxs-lradc: make ADC reads not unschedule touchscreen conversions iio: mxs-lradc: make ADC reads not disable touchscreen interrupts iio: mxs-lradc: separate touchscreen and buffer virtual channels iio: imu: inv_mpu6050: Prevent dereferencing NULL iio: iadc: wait_for_completion_timeout time in jiffies ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are two char/misc fixes for 4.0-rc3. One is a reported binder driver fix needed due to a change in the mm core that happened in 4.0-rc1. Another is a mei driver fix that resolves a reported issue in that driver. Both have been in linux-next for a while" * tag 'char-misc-4.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: mei: make device disabled on stop unconditionally android: binder: fix binder mmap failures
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull "code of conflict" from Greg KH: "This file tries to set the rational basis for our code reviews, gives some advice on how to conduct them, and provides an excalation channel for any kernel developers if they so desire it" [ Let's see how this works ] * tag 'cc-4.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Code of Conflict
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- 07 Mar, 2015 5 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c fixes from Wolfram Sang: "A set of updates and bugfixes for the new designware-baytrail driver. And a documentation bugfix" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: imx: add required clocks property to binding i2c: designware-baytrail: baytrail_i2c_acquire() might sleep i2c: designware-baytrail: cross-check lock functions i2c: designware-baytrail: fix sparse warnings i2c: designware-baytrail: fix typo in error path i2c: designware-baytrail: describe magic numbers
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull slave-dmaengine fixes from Vinod Koul: "This contains small fixes spread across the drivers" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: mmp_pdma: fix warning about slave caps dmaengine: qcom_bam_dma: fix wrong register offsets dmaengine: bam-dma: fix a warning about missing capabilities dmaengine: ioatdma: workaround for incorrect DMACAP register dmaengine: at_xdmac: fix for chan conf simplification dmaengine: dw: don't handle interrupt when dmaengine is not used dma: mmp-tdma: refine dma disable and dma-pos update dmaengine: shdma: Move DMA stop to (runtime) suspend callbacks dmaenegine: mmp-pdma: fix irq handler overwrite physical chan issue
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Catalin Marinas: "arm64 and generic kernel/module.c (acked by Rusty) fixes for CONFIG_DEBUG_SET_MODULE_RONX" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: kernel/module.c: Update debug alignment after symtable generation arm64: Don't use is_module_addr in setting page attributes
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Johan Hovold authored
Currently tty_wait_until_sent may take up to twice as long as the requested timeout while waiting for driver and hardware buffers to drain. Fix this by taking the remaining number of jiffies after waiting for driver buffers to drain into account so that the timeout actually becomes a maximum timeout as it is documented to be. Note that this specifically implies tighter timings when closing a port as a consequence of actually honouring the port closing-wait setting for drivers relying on tty_wait_until_sent_from_close (e.g. via tty_port_close_start). Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Johan Hovold authored
Fix overflow bug in tty_wait_until_sent on 64-bit machines, where an infinite timeout (0) would be passed to the underlying tty-driver's wait_until_sent-operation as a negative timeout (-1), causing it to return immediately. This manifests itself for example as tcdrain() returning immediately, drivers not honouring the drain flags when setting terminal attributes, or even dropped data on close as a requested infinite closing-wait timeout would be ignored. The first symptom was reported by Asier LLANO who noted that tcdrain() returned prematurely when using the ftdi_sio usb-serial driver. Fix this by passing 0 rather than MAX_SCHEDULE_TIMEOUT (LONG_MAX) to the underlying tty driver. Note that the serial-core wait_until_sent-implementation is not affected by this bug due to a lucky chance (comparison to an unsigned maximum timeout), and neither is the cyclades one that had an explicit check for negative timeouts, but all other tty drivers appear to be affected. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Cc: stable <stable@vger.kernel.org> # v2.6.12 Reported-by: ZIV-Asier Llano Palacios <asier.llano@cgglobal.com> Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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