- 18 3月, 2015 1 次提交
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由 Wolfram Sang 提交于
I2C supports adding adapters using either a dynamic or fixed id. The latter is provided by aliases in the DT case. To prevent id collisions of those two types, install this function which gives us the highest fixed id, so we can then let the dynamically created ones come after this highest number. Signed-off-by: NWolfram Sang <wsa+renesas@sang-engineering.com> Acked-by: NRob Herring <robh@kernel.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 15 3月, 2015 16 次提交
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由 Alexey Brodkin 提交于
With -EPROBE_DEFER, this message is confusing and we hope for a centralized printout in the future anyhow. Signed-off-by: NAlexey Brodkin <abrodkin@synopsys.com> Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com> Acked-by: NChristian Ruppert <christian.ruppert@alitech.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Valentin Longchamp 提交于
For the 85xx platforms, the source clock for the i2c-mpc can change from one SoC to another. This is documented in the AN2919 "Determining the I2C Frequency Divider Ratio for SCL" by Freescale. Not taking this into account can lead to the output SCL frequency to by off by an offset. It was observed on the P2041 from the QorIQ family. This patch fixes this problem by setting the prescaler value to the appropriate value when required. The SoCs that required a different prescaler than 1 are identified by reading out the SVR as discussed in http://thread.gmane.org/gmane.linux.drivers.devicetree/94247/focus=20556Signed-off-by: NValentin Longchamp <valentin.longchamp@keymile.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
Return type of wait_for_completion_timeout is unsigned long not int. Appropriately typed/named variable are added and assignment fixed up. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NJames Hogan <james.hogan@imgtec.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
Return type of wait_for_completion_timeout is unsigned long not int. This patch adds a timeout variable of appropriate type and fixes up the assignment. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
return type of wait_for_completion_timeout is unsigned long not int. The return variable is renamed to reflect its use and the type adjusted to unsigned long. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
return type of read_i2c() is int not u32. As the assignments to status are consistent with int here its type is changed to int. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
return type of wait_for_completion_timeout is unsigned long not int. as timeout is used for wait_for_completion_timeout exclusively here its type is simply changed to unsigned long. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
return type of wait_for_completion_timeout is unsigned long not int. An appropriate variable of type unsigned long is introduced and the assignments fixed up. Signed-off-by: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Acked-by: NLee Jones <lee.jones@linaro.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Reviewed-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Reviewed-by: NAlexandre Courbot <acourbot@nvidia.com> Acked-by: NThierry Reding <treding@nvidia.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Nicholas Mc Guire 提交于
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: NNicholas Mc Guire <hofrat@osadl.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 14 3月, 2015 1 次提交
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由 Neelesh Gupta 提交于
Hardware can do write-then-anything. Activate that. Signed-off-by: NNeelesh Gupta <neelegup@linux.vnet.ibm.com> [wsa: cosmetic updates] Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 13 3月, 2015 11 次提交
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Tested-by: NRay Jui <rjui@broadcom.com>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Tested-by: NIvan T. Ivanov <iivanov@mm-sol.com>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Tested-by: NNeelesh Gupta <neelegup@linux.vnet.ibm.com>
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由 Wolfram Sang 提交于
Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Tested-By: NLudovic Desroches <ludovic.desroches@atmel.com>
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由 Wolfram Sang 提交于
Let the core do the checks if HW quirks prevent a transfer. Saves code from drivers and adds consistency. Signed-off-by: NWolfram Sang <wsa@the-dreams.de> Tested-by: NRay Jui <rjui@broadcom.com> Tested-by: NIvan T. Ivanov <iivanov@mm-sol.com> Tested-by: NNeelesh Gupta <neelegup@linux.vnet.ibm.com> Tested-By: NLudovic Desroches <ludovic.desroches@atmel.com>
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- 09 3月, 2015 6 次提交
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由 Uwe Kleine-König 提交于
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: NUwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Jarkko Nikula 提交于
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: NJarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: NJean Delvare <jdelvare@suse.de> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Jarkko Nikula 提交于
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: NJarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: NJean Delvare <jdelvare@suse.de> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Jarkko Nikula 提交于
This simplifies the error and remove paths. Signed-off-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: NJean Delvare <jdelvare@suse.de> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Jarkko Nikula 提交于
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: NJarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: NJean Delvare <jdelvare@suse.de> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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由 Jarkko Nikula 提交于
It makes more difficult to grep these error prints from sources if they are split to multiple source lines. Signed-off-by: NJarkko Nikula <jarkko.nikula@linux.intel.com> Reviewed-by: NJean Delvare <jdelvare@suse.de> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 07 3月, 2015 5 次提交
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由 Johan Hovold 提交于
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: NJohan Hovold <johan@kernel.org> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Johan Hovold 提交于
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: NZIV-Asier Llano Palacios <asier.llano@cgglobal.com> Signed-off-by: NJohan Hovold <johan@kernel.org> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Johan Hovold 提交于
Make sure to handle an infinite timeout (0). Note that wait_until_sent is currently never called with a 0-timeout argument due to a bug in tty_wait_until_sent. Fixes: dcf01050 ("USB: serial: add generic wait_until_sent implementation") Cc: stable <stable@vger.kernel.org> # v3.10 Signed-off-by: NJohan Hovold <johan@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Johan Hovold 提交于
Remove incorrect and redundant wait_until_sent operation, which waits for the driver buffer rather than any hardware buffers to drain, something which is already taken care of by the tty layer (and chars_in_buffer). Signed-off-by: NJohan Hovold <johan@kernel.org> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Axel Lin 提交于
Fix return from sprd_handle_irq() with spin_lock held. Signed-off-by: NAxel Lin <axel.lin@ingics.com> Reviewed-by: NPeter Hurley <peter@hurleysoftware.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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