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* drm: i915: Port to new backlight interface selection APIHans de Goede2015-06-191-11/+1
| | | | | | | | | | This results in a nice cleanup, as we can replace the complicated logic from should_ignore_backlight_request() with a simple check for the type being native. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Unregister acpi_video backlight when dmi quirks are addedHans de Goede2015-06-191-0/+3
| | | | | | | | | | | | | | | | | | | | | | | Make acpi_video_set_dmi_backlight_type() call acpi_video_unregister_backlight() when the new dmi quirk results in the desired backlight interface being of a type other then acpi_backlight_video. This avoid the need for the second if in the following construction which is currently found in many platform/x86 drivers: if (prefer_vendor_quirk) acpi_video_dmi_promote_vendor(); if (!acpi_video_backlight_support()) acpi_video_unregister_backlight() This second if-block will be removed from the platform drivers as part of their conversion to the new backlight interface selection API. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Rewrite backlight interface selection logicHans de Goede2015-06-192-88/+100
| | | | | | | | | | | | | | | | | | | | | Currently we have 2 kernel commandline options + dmi-quirks in 3 places all interacting (in interesting ways) to select which which backlight interface to use. On the commandline we've acpi_backlight=[video|vendor] and video.use_native_backlight=[0|1]. DMI quirks we have in acpi/video-detect.c, acpi/video.c and drivers/platform/x86/*.c . This commit is the first step to cleaning this up, replacing the 2 cmdline options with just acpi_backlight=[video|vendor|native|none], and adds a new API to video_detect.c to reflect this. Follow up commits will also move other related code, like unregistering the acpi_video backlight interface if it was registered before other drivers which take priority over it are loaded, to video_detect.c where this logic really belongs. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: video: Make video_detect code part of the video moduleHans de Goede2015-06-196-32/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a preparation patch for the backlight interface selection logic cleanup, there are 2 reasons to not always build the video_detect code into the kernel: 1) In order for the video_detect.c to also deal with / select native backlight interfaces on win8 systems, instead of doing this in video.c where it does not belong, video_detect.c needs to call into the backlight class code. Which cannot be done if it is builtin and the blacklight class is not. 2) Currently all the platform/x86 drivers which have quirks to prefer the vendor driver over acpi-video call acpi_video_unregister_backlight() to remove the acpi-video backlight interface, this logic really belongs in video_detect.c, which will cause video_detect.c to depend on symbols of video.c and video.c already depends on video_detect.c symbols, so they really need to be a single module. Note that this commits make 2 changes so as to maintain 100% kernel commandline compatibility: 1) The __setup call for the acpi_backlight= handling is moved to acpi/util.c as __setup may only be used by code which is alwasy builtin 2) video.c is renamed to acpi_video.c so that it can be combined with video_detect.c into video.ko This commit also makes changes to drivers/platform/x86/Kconfig to ensure that drivers which use acpi_video_backlight_support() from video_detect.c, will not be built-in when acpi_video is not built in. This also changes some "select" uses to "depends on" to avoid dependency loops. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Move acpi_osi_is_win8 to osl.cHans de Goede2015-06-194-13/+7
| | | | | | | | | | | | | | acpi_osi_is_win8 needs access to acpi_gbl_osi_data which is not exported, so move it to osl.c. Alternatively we could export acpi_gbl_osi_data but that seems undesirable. This allows video_detect.c to be build as a module, besides that acpi_osi_is_win8() is something which does not really belong in video_detect.c in the first place. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Move acpi_is_video_device() to acpi/scan.cHans de Goede2015-06-193-66/+58
| | | | | | | | | | | | | This allows video_detect.c to be build as a module, this is a preparation patch for the backlight interface selection logic cleanup. Note this commit also causes acpi_is_video_device() to always be build indepedent of CONFIG_ACPI_VIDEO, as there is no reason to make its building depend on CONFIG_ACPI_VIDEO. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Make acpi_video_get_capabilities a private functionHans de Goede2015-06-192-14/+1
| | | | | | | | | | acpi_video_get_capabilities() is only used inside video_detect.c so make it static. While at it also remove the prototype for the non existent acpi_video_display_switch_support function from acpi.h Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* acpi-video-detect: Remove the unused acpi_video_dmi_demote_vendor() functionHans de Goede2015-06-192-14/+0
| | | | | | | | | | Remove the now unused acpi_video_dmi_demote_vendor() function, this was never a proper counter part of acpi_video_dmi_promote_vendor() since the calls to acpi_video_dmi_promote_vendor() are not counted. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* apple-gmux: Stop using acpi_video_dmi_demote_vendor()Hans de Goede2015-06-191-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | acpi_video_dmi_demote_vendor() is going away as part of the cleanup of the code for determinging which backlight class driver(s) to register. The call to acpi_video_dmi_demote_vendor() was meant to undo the call to acpi_video_dmi_promote_vendor() when the gmux device is removed, this is questionable though since the promote call sets a flag, not a counter, so the demote call may undo a promoto done elsewhere. Moreover in practice this is a nop since the gmux device is never removed, and the flag is only checked when acpi/video.ko gets loaded, so even if the user manually removes apple-gmux the demote call is still a nop as video.ko will already have loaded by this time. Also note that none of the other users of acpi_video_dmi_promote_vendor() use acpi_video_dmi_demote_vendor(). If we ever encounter a system with a gmux where the acpi-video interface should be used, then the proper fix would be to dmi-blacklist the gmux driver on that system. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* samsung-laptop: Use acpi_video_unregister_backlight instead of ↵Hans de Goede2015-06-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_video_unregister acpi_video_unregister() not only unregisters the acpi-video backlight interface but also unregisters the acpi video bus event listener, causing e.g. brightness hotkey presses to no longer generate keypress events. The unregistering of the acpi video bus event listener usually is undesirable, which by itself is a good reason to switch to acpi_video_unregister_backlight(). Another problem with using acpi_video_unregister() rather then using acpi_video_unregister_backlight() is that on systems with an intel video opregion (most systems) and a broken_acpi_video quirk, whether or not the acpi video bus event listener actually gets unregistered depends on module load ordering: Scenario a: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) intel.ko gets loaded, calls acpi_video_register() which registers both the listener and the acpi backlight interface 3) samsung-laptop.ko gets loaded, calls acpi_video_unregister() causing both the listener and the acpi backlight interface to unregister Scenario b: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) samsung-laptop.ko gets loaded, calls acpi_video_dmi_promote_vendor(), calls acpi_video_unregister(), which is a nop since acpi_video_register has not yet been called 2) intel.ko gets loaded, calls acpi_video_register() which registers the listener, but does not register the acpi backlight interface due to the call to the preciding call to acpi_video_dmi_promote_vendor() *) acpi/video.ko always loads first as both other modules depend on it. So we end up with or without an acpi video bus event listener depending on module load ordering, not good. Switching to using acpi_video_unregister_backlight() means that independ of ordering we will always have an acpi video bus event listener fixing this. Note that this commit means that systems without an intel video opregion, and systems which were hitting scenario a wrt module load ordering, are now getting an acpi video bus event listener while before they were not! On some systems this may cause the brightness hotkeys to start generating keypresses while before they were not (good), while on other systems this may cause the brightness hotkeys to generate multiple keypress events for a single press (not so good). Since on most systems the acpi video bus is the canonical source for brightness events I believe that the latter case will needs to be handled on a case by case basis by filtering out the duplicate keypresses at the other source for them. Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* asus-wmi: Use acpi_video_unregister_backlight instead of acpi_video_unregisterHans de Goede2015-06-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_video_unregister() not only unregisters the acpi-video backlight interface but also unregisters the acpi video bus event listener, causing e.g. brightness hotkey presses to no longer generate keypress events. The unregistering of the acpi video bus event listener usually is undesirable, which by itself is a good reason to switch to acpi_video_unregister_backlight(). Another problem with using acpi_video_unregister() rather then using acpi_video_unregister_backlight() is that on systems with an intel video opregion (most systems) and a wmi_backlight_power quirk, whether or not the acpi video bus event listener actually gets unregistered depends on module load ordering: Scenario a: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) intel.ko gets loaded, calls acpi_video_register() which registers both the listener and the acpi backlight interface 3) asus-wmi.ko gets loaded, calls acpi_video_unregister() causing both the listener and the acpi backlight interface to unregister Scenario b: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) asus-wmi.ko gets loaded, calls acpi_video_dmi_promote_vendor(), calls acpi_video_unregister(), which is a nop since acpi_video_register has not yet been called 2) intel.ko gets loaded, calls acpi_video_register() which registers the listener, but does not register the acpi backlight interface due to the call to the preciding call to acpi_video_dmi_promote_vendor() *) acpi/video.ko always loads first as both other modules depend on it. So we end up with or without an acpi video bus event listener depending on module load ordering, not good. Switching to using acpi_video_unregister_backlight() means that independ of ordering we will always have an acpi video bus event listener fixing this. Note that this commit means that systems without an intel video opregion, and systems which were hitting scenario a wrt module load ordering, are now getting an acpi video bus event listener while before they were not! On some systems this may cause the brightness hotkeys to start generating keypresses while before they were not (good), while on other systems this may cause the brightness hotkeys to generate multiple keypress events for a single press (not so good). Since on most systems the acpi video bus is the canonical source for brightness events I believe that the latter case will needs to be handled on a case by case basis by filtering out the duplicate keypresses at the other source for them. Cc: Corentin Chary <corentin.chary@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* apple_gmux: Use acpi_video_unregister_backlight instead of acpi_video_unregisterHans de Goede2015-06-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | acpi_video_unregister() not only unregisters the acpi-video backlight interface but also unregisters the acpi video bus event listener, causing e.g. brightness hotkey presses to no longer generate keypress events. The unregistering of the acpi video bus event listener usually is undesirable, which by itself is a good reason to switch to acpi_video_unregister_backlight(). Another problem with using acpi_video_unregister() rather then using acpi_video_unregister_backlight() is that on systems with an intel video opregion (most systems) whether or not the acpi video bus event listener actually gets unregistered depends on module load ordering: Scenario a: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) intel.ko gets loaded, calls acpi_video_register() which registers both the listener and the acpi backlight interface 3) apple-gmux.ko gets loaded, calls acpi_video_unregister() causing both the listener and the acpi backlight interface to unregister Scenario b: 1) acpi/video.ko gets loaded (*), does not do acpi_video_register as there is an intel opregion. 2) apple-gmux.ko gets loaded, calls acpi_video_dmi_promote_vendor(), calls acpi_video_unregister(), which is a nop since acpi_video_register has not yet been called 2) intel.ko gets loaded, calls acpi_video_register() which registers the listener, but does not register the acpi backlight interface due to the call to the preciding call to acpi_video_dmi_promote_vendor() *) acpi/video.ko always loads first as both other modules depend on it. So we end up with or without an acpi video bus event listener depending on module load ordering, not good. Switching to using acpi_video_unregister_backlight() means that independ of ordering we will always have an acpi video bus event listener fixing this. Note that this commit means that systems without an intel video opregion, and systems which were hitting scenario a wrt module load ordering, are now getting an acpi video bus event listener while before they were not! On some systems this may cause the brightness hotkeys to start generating keypresses while before they were not (good), while on other systems this may cause the brightness hotkeys to generate multiple keypress events for a single press (not so good). Since on most systems the acpi video bus is the canonical source for brightness events I believe that the latter case will needs to be handled on a case by case basis by filtering out the duplicate keypresses at the other source for them. Cc: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* Merge branch 'acpi-scan' into acpi-videoRafael J. Wysocki2015-06-164-38/+51
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| * ACPI / scan: constify ACPI device idsMathias Krause2015-06-151-1/+1
| | | | | | | | | | | | | | | | Make the button ACPI device ID array static const. Safes us a little bit of code. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| * ACPI / property: Define a symbol for PRP0001Rafael J. Wysocki2015-05-223-17/+21
| | | | | | | | | | | | | | | | | | Use a #defined symbol ACPI_DT_NAMESPACE_HID instead of the PRP0001 string. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
| * ACPI / property: Refine consistency check for PRP0001Rafael J. Wysocki2015-05-052-24/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Refine the check for the presence of the "compatible" property if the PRP0001 device ID is present in the device's list of ACPI/PNP IDs to also print the message if _DSD is missing entirely or the format of it is incorrect. One special case to take into accout is that the "compatible" property need not be provided for devices having the PRP0001 device ID in their lists of ACPI/PNP IDs if they are ancestors of PRP0001 devices with the "compatible" property present. This is to cover heriarchies of device objects where the kernel is only supposed to use a struct device representation for the topmost one and the others represent, for example, functional blocks of a composite device. While at it, reduce the log level of the message to "info" and reduce the log level of the "broken _DSD" message to "debug" (noise reduction). Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
* | ACPI / video: constify ACPI and DMI id tablesMathias Krause2015-06-151-2/+2
| | | | | | | | | | | | | | | | Make the video ACPI device ID array static and constify the DMI system IDs array. Saves us a little bit of code. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | ACPI / video: Add a parameter to not register the backlight sysfs interfaceHans de Goede2015-06-151-4/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On some systems acpi-video backlight is broken in the sense that it cannot control the brightness of the backlight, but it must still be called on resume to power-up the backlight after resume. This commit allows these systems to work by going through all the usual backlight control moves, while not registering a sysfs backlight interface. This commit also adds a quirk enabling this parameter on Toshiba Portege R830 systems which are known to be affected by this. I wish there was a better way to deal with this, but we've been unable to find one. Link: https://bugzilla.kernel.org/show_bug.cgi?id=21012 Link: https://bugs.freedesktop.org/show_bug.cgi?id=82634 Reported-and-tested-by: Sylvain Pasche <sylvain.pasche@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Aaron Lu <aaron.lu@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | ACPI / video: Add enable_native_backlight quirk for MacbookPro12,1Hans de Goede2015-06-151-0/+9
| | | | | | | | | | | | | | | | | | | | | | It seems that the latest generation of MacbookPro needs to use the native backlight driver, just like most modern laptops do, but it does not automatically get enabled as the Apple BIOS does not advertise Windows 8 compatibility. So add a quirk for this. Reported-by: Christopher Beland <beland@alum.mit.edu> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | Linux 4.1-rc8v4.1-rc8Linus Torvalds2015-06-151-1/+1
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* | Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds2015-06-152-93/+144
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull dmaengine fixes from Vinod Koul: "Here are hopefully last set of fixes for 4.1. This time we have: - fixing pause capability reporting on both dmaengine pause & resume support by Krzysztof - locking fix fir at_xdmac by Ludovic - slave configuration fix for at_xdmac by Ludovic" * 'fixes' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: Fix choppy sound because of unimplemented resume dmaengine: at_xdmac: rework slave configuration part dmaengine: at_xdmac: lock fixes
| * | dmaengine: Fix choppy sound because of unimplemented resumeKrzysztof Kozlowski2015-06-121-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some drivers implement only pause operation (no resuming). Example is pl330 where pause is needed for getting residuum. pl330 does not support resume operation, transfer must be stopped after pause. However for slaves this is exposed always as "pause and resume" which introduces subtle errors on Odroid U3 board (Exynos4412 with pl330). After adding pause function to pl330 driver the audio playback (utilizing DMA) gets choppy after some time (approximately 24 hours). Fix this by exposing "cmd_pause" if and only if pause and resume are implemented. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reported-by: gabriel@unseen.is Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Cc: <stable@vger.kernel.org> Fixes: 88987d2c7534 ("dmaengine: pl330: add DMA_PAUSE feature") Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| * | dmaengine: at_xdmac: rework slave configuration partLudovic Desroches2015-06-081-60/+96
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Rework slave configuration part in order to more report wrong errors about the configuration. Only maxburst and addr width values are checked when doing the slave configuration. The validity of the channel configuration is done at prepare time. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Cc: stable@vger.kernel.org # 4.0 and later Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| * | dmaengine: at_xdmac: lock fixesLudovic Desroches2015-06-081-32/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using _bh variant for spin locks causes this kind of warning: Starting logging: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3 at /ssd_drive/linux/kernel/softirq.c:151 __local_bh_enable_ip+0xe8/0xf4() Modules linked in: CPU: 0 PID: 3 Comm: ksoftirqd/0 Not tainted 4.1.0-rc2+ #94 Hardware name: Atmel SAMA5 [<c0013c04>] (unwind_backtrace) from [<c00118a4>] (show_stack+0x10/0x14) [<c00118a4>] (show_stack) from [<c001bbcc>] (warn_slowpath_common+0x80/0xac) [<c001bbcc>] (warn_slowpath_common) from [<c001bc14>] (warn_slowpath_null+0x1c/0x24) [<c001bc14>] (warn_slowpath_null) from [<c001e28c>] (__local_bh_enable_ip+0xe8/0xf4) [<c001e28c>] (__local_bh_enable_ip) from [<c01fdbd0>] (at_xdmac_device_terminate_all+0xf4/0x100) [<c01fdbd0>] (at_xdmac_device_terminate_all) from [<c02221a4>] (atmel_complete_tx_dma+0x34/0xf4) [<c02221a4>] (atmel_complete_tx_dma) from [<c01fe4ac>] (at_xdmac_tasklet+0x14c/0x1ac) [<c01fe4ac>] (at_xdmac_tasklet) from [<c001de58>] (tasklet_action+0x68/0xb4) [<c001de58>] (tasklet_action) from [<c001dfdc>] (__do_softirq+0xfc/0x238) [<c001dfdc>] (__do_softirq) from [<c001e140>] (run_ksoftirqd+0x28/0x34) [<c001e140>] (run_ksoftirqd) from [<c0033a3c>] (smpboot_thread_fn+0x138/0x18c) [<c0033a3c>] (smpboot_thread_fn) from [<c0030e7c>] (kthread+0xdc/0xf0) [<c0030e7c>] (kthread) from [<c000f480>] (ret_from_fork+0x14/0x34) ---[ end trace b57b14a99c1d8812 ]--- It comes from the fact that devices can called some code from the DMA controller with irq disabled. _bh variant is not intended to be used in this case since it can enable irqs. Switch to irqsave/irqrestore variant to avoid this situation. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Cc: stable@vger.kernel.org # 4.0 and later Signed-off-by: Vinod Koul <vinod.koul@intel.com>
* | | Merge tag 'ntb-4.1' of git://github.com/jonmason/ntbLinus Torvalds2015-06-151-1/+2
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull NTB fixes from Jon Mason: "I apologize for the tardiness of this request. Here are a couple of last minute NTB bug fixes for v4.1: NTB bug fixes to address issues in unmapping the MW reg base and vbase, and an uninitialized variable on Atom platforms" * tag 'ntb-4.1' of git://github.com/jonmason/ntb: ntb: initialize max_mw for Atom before using it ntb: iounmap MW reg and vbase in error path
| * | | ntb: initialize max_mw for Atom before using itDaniel Verkamp2015-06-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit ab760a0 (ntb: Adding split BAR support for Haswell platforms) changed ntb_device's mw from a fixed-size array into a pointer that is allocated based on limits.max_mw; however, on Atom platforms, max_mw is not initialized until ntb_device_setup(), which happens after the allocation. Fill out max_mw in ntb_atom_detect() to match ntb_xeon_detect(); this happens before the use of max_mw in the ndev->mw allocation. Fixes a null pointer dereference on Atom platforms with ntb hardware. v2: fix typo (mw_max should be max_mw) Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com> Acked-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
| * | | ntb: iounmap MW reg and vbase in error pathJon Mason2015-06-091-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | The MW regbase and vbase(s) were not being freed if an error occurred in the vbase allocation loop. This is corrected by updating the error path for the allocation loop to err4. Reported-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Jon Mason <jdmason@kudzu.us>
* | | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds2015-06-157-25/+29
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull more MIPS fixes from Ralf Baechle: "Another round of 4.1 MIPS fixes, one fix to a MIPS-specific #if condition in lib/mpi, one fix to the MIPS GIC irqchip driver and one SSB fix. Details: - fix handling of clock in chipco SSB driver. - fix two MIPS-specific #if conditions to correctly work for GCC 5.1. - fix damage to R6 pgtable bits done by XPA support. - fix possible crash due to unloading modules that contain statically defined platform devices. - fix disabling of the MSA ASE on context switch to also work correctly when a new thread/process has the CPU for the very first time. This is part of linux-next and has been beaten to death on Imagination's test farm. While things are not looking too grim this pull request also means the rate of fixes for 4.1 remains nearly constant so I'd not be unhappy if you'd delay the release" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MPI: MIPS: Fix compilation error with GCC 5.1 IRQCHIP: mips-gic: Don't nest calls to do_IRQ() MIPS: MSA: bugfix - disable MSA correctly for new threads/processes. MIPS: Loongson: Do not register 8250 platform device from module. MIPS: Cobalt: Do not build MTD platform device registration code as module. SSB: Fix handling of ssb_pmu_get_alp_clock() MIPS: pgtable-bits: Fix XPA damage to R6 definitions.
| * | | MPI: MIPS: Fix compilation error with GCC 5.1Jaedon Shin2015-06-131-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes mips compilation error: lib/mpi/generic_mpih-mul1.c: In function 'mpihelp_mul_1': lib/mpi/longlong.h:651:2: error: impossible constraint in 'asm' Signed-off-by: Jaedon Shin <jaedon.shin@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/10546/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | IRQCHIP: mips-gic: Don't nest calls to do_IRQ()Rabin Vincent2015-06-131-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The GIC chained handlers use do_IRQ() to call the subhandlers. This means that irq_enter() calls get nested, which leads to preempt count looking like we're in nested interrupts, which in turn leads to all system time being accounted as IRQ time in account_system_time(). Fix it by using generic_handle_irq(). Since these same functions are used in some systems (if cpu_has_veic) from a low-level vectored interrupt handler which does not go throught do_IRQ(), we need to do it conditionally. Signed-off-by: Rabin Vincent <rabin.vincent@axis.com> Reviewed-by: Andrew Bresticker <abrestic@chromium.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mips@linux-mips.org Cc: tglx@linutronix.de Cc: jason@lakedaemon.net Patchwork: https://patchwork.linux-mips.org/patch/10545/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | MIPS: MSA: bugfix - disable MSA correctly for new threads/processes.Ralf Baechle2015-06-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Due to the slightly odd way that new threads and processes start execution when scheduled for the very first time they were bypassing the required disable_msa call. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | MIPS: Loongson: Do not register 8250 platform device from module.Ralf Baechle2015-06-101-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If CONFIG_SERIAL_8250 is set to m, the Loongson seria.ko module might get unloaded while the serial driver modules are still loaded resulting in stale references to the destroyed platform_device instance. Anyway, platform devices should always be registered indicated what devices are present, _not_ what drivers have been configured. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com> Patchwork: https://patchwork.linux-mips.org/patch/10538/
| * | | MIPS: Cobalt: Do not build MTD platform device registration code as module.Ralf Baechle2015-06-101-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If CONFIG_MTD_PHYSMAP is set to m, the Cobalt mtd.ko module might get unloaded while the drivers/mtd modules are still loaded resulting in stale references to the destroyed platform_device instance. Anyway, platform devices should always be registered indicated what devices are present, _not_ what drivers have been configured. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | SSB: Fix handling of ssb_pmu_get_alp_clock()Hauke Mehrtens2015-06-091-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dan Carpenter reported missing brackets which resulted in reading a wrong crystalfreq value. I also noticed that the result of this function is ignored. Reported-By: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Michael Buesch <m@bues.ch> Cc: davem@davemloft.net Cc: netdev@vger.kernel.org Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10536/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | MIPS: pgtable-bits: Fix XPA damage to R6 definitions.Markos Chandras2015-06-091-7/+7
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit be0c37c985ed ("MIPS: Rearrange PTE bits into fixed positions.") rearranged the PTE bits into fixed positions in preparation for the XPA support. However, this patch broke R6 since it only took R2 cores into consideration for the RI/XI bits leading to boot failures. We fix this by adding the missing CONFIG_CPU_MIPSR6 definitions Fixes: be0c37c985ed ("MIPS: Rearrange PTE bits into fixed positions.") Cc: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/10208/ Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* | | Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds2015-06-151-1/+1
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irqchip fix from Thomas Gleixner: "A single fix for an off by one bug in the sunxi irqchip driver" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip: sunxi-nmi: Fix off-by-one error in irq iterator
| * | | irqchip: sunxi-nmi: Fix off-by-one error in irq iteratorAxel Lin2015-06-081-1/+1
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes: 6058bb362818 'ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller' Signed-off-by: Axel Lin <axel.lin@ingics.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Carlo Caione <carlo@caione.org> Cc: Jason Cooper <jason@lakedaemon.net> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1433684009.9134.1.camel@ingics.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* | | Merge branch 'locking-urgent-for-linus' of ↵Linus Torvalds2015-06-152-6/+19
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull lockdep fix from Ingo Molnar: "A lockdep/modules unload race fix that can oops" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep: Fix a race between /proc/lock_stat and module unload
| * | | lockdep: Fix a race between /proc/lock_stat and module unloadPeter Zijlstra2015-06-072-6/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The lock_class iteration of /proc/lock_stat is not serialized against the lockdep_free_key_range() call from module unload. Therefore it can happen that we find a class of which ->name/->key are no longer valid. There is a further bug in zap_class() that left ->name dangling. Cure this. Use RCU_INIT_POINTER() because NULL. Since lockdep_free_key_range() is rcu_sched serialized, we can read both ->name and ->key under rcu_read_lock_sched() (preempt-disable) and be assured that if we observe a !NULL value it stays safe to use for as long as we hold that lock. If we observe both NULL, skip the entry. Reported-by: Jerome Marchand <jmarchan@redhat.com> Tested-by: Jerome Marchand <jmarchan@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20150602105013.GS3644@twins.programming.kicks-ass.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | | | Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds2015-06-153-15/+18
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "A regression fix for a crash, and a Intel HSW uncore PMU driver fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: Revert "perf/x86/intel/uncore: Move uncore_box_init() out of driver initialization" perf/x86/intel/uncore: Fix CBOX bit wide and UBOX reg on Haswell-EP
| * | | | Revert "perf/x86/intel/uncore: Move uncore_box_init() out of driver ↵Ingo Molnar2015-06-092-12/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | initialization" This reverts commit c05199e5a57a579fea1e8fa65e2b511ceb524ffc. Vince Weaver reported the following crash while perf fuzzing: [ 79.473121] kernel BUG at mm/vmalloc.c:1335! [ 79.694391] Call Trace: [ 79.696997] <IRQ> [ 79.699090] [<ffffffff811b2130>] get_vm_area_caller+0x40/0x50 [ 79.705505] [<ffffffff81039f4d>] ? snb_uncore_imc_init_box+0x6d/0x90 [ 79.712414] [<ffffffff810635e5>] __ioremap_caller+0x195/0x350 [ 79.718610] [<ffffffff81039f4d>] ? snb_uncore_imc_init_box+0x6d/0x90 [ 79.725462] [<ffffffff81427f6b>] ? debug_object_activate+0x14b/0x1e0 [ 79.732346] [<ffffffff810637b7>] ioremap_nocache+0x17/0x20 [ 79.738283] [<ffffffff81039f4d>] snb_uncore_imc_init_box+0x6d/0x90 [ 79.744945] [<ffffffff81039cf7>] snb_uncore_imc_event_start+0xb7/0x110 [ 79.752020] [<ffffffff81039d97>] snb_uncore_imc_event_add+0x47/0x60 [ 79.758832] [<ffffffff81162cbb>] event_sched_in.isra.85+0xfb/0x330 [ 79.765519] [<ffffffff81162f5f>] group_sched_in+0x6f/0x1e0 [ 79.771481] [<ffffffff8101df1a>] ? native_sched_clock+0x2a/0x90 [ 79.777858] [<ffffffff811637bc>] __perf_event_enable+0x25c/0x2a0 [ 79.784418] [<ffffffff810f3e69>] ? tick_nohz_irq_exit+0x29/0x30 [ 79.790820] [<ffffffff8115ef30>] ? cpu_clock_event_start+0x40/0x40 [ 79.797546] [<ffffffff8115ef80>] remote_function+0x50/0x60 [ 79.803535] [<ffffffff810f8cd1>] flush_smp_call_function_queue+0x81/0x180 [ 79.810840] [<ffffffff810f9763>] generic_smp_call_function_single_interrupt+0x13/0x60 [ 79.819328] [<ffffffff8104b5e8>] smp_trace_call_function_single_interrupt+0x38/0xc0 [ 79.827614] [<ffffffff816de9be>] trace_call_function_single_interrupt+0x6e/0x80 [ 79.835465] <EOI> [ 79.837543] [<ffffffff8156e8b5>] ? cpuidle_enter_state+0x65/0x160 [ 79.844377] [<ffffffff8156e8a1>] ? cpuidle_enter_state+0x51/0x160 [ 79.851015] [<ffffffff8156e9e7>] cpuidle_enter+0x17/0x20 [ 79.856791] [<ffffffff810b6e39>] cpu_startup_entry+0x399/0x440 [ 79.863165] [<ffffffff816c9ddb>] rest_init+0xbb/0xd0 The offending commit is clearly confused as it moves heavy initialization work into IPI context. Revert it. Reported-by: Vince Weaver <vincent.weaver@maine.edu> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Kan Liang <kan.liang@intel.com> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Yan, Zheng <zheng.z.yan@intel.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * | | | perf/x86/intel/uncore: Fix CBOX bit wide and UBOX reg on Haswell-EPKan Liang2015-06-071-3/+3
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CBOX counters are increased to 48b on HSX. Correct the MSR address for HSWEP_U_MSR_PMON_CTR0 and HSWEP_U_MSR_PMON_CTL0. See specification in: http://www.intel.com/content/www/us/en/processors/xeon/ xeon-e5-v3-uncore-performance-monitoring.html Signed-off-by: Kan Liang <kan.liang@intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1432645835-7918-1-git-send-email-kan.liang@intel.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | | | Merge tag 'sound-4.1-rc8' of ↵Linus Torvalds2015-06-156-7/+58
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Most of commits are regression fixes for HD-audio: a few corner case fixes for regmap transition, and i915 binding issues. In addition, a quirk for another USB-audio device supporting DSD" * tag 'sound-4.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Abort the probe without i915 binding for HSW/BDW ALSA: hda - Re-add the lost fake mute support ALSA: hda - Continue probing even if i915 binding fails ALSA: hda - Don't actually write registers for caps overwrites ALSA: hda - fix number of devices query on hotplug ALSA: usb-audio: add native DSD support for JLsounds I2SoverUSB
| * | | | ALSA: hda - Abort the probe without i915 binding for HSW/BDWTakashi Iwai2015-06-121-2/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The previous patch tried to continue the probe if i915 binding fails. For for simplicity reason, we haven't implemented abort even for controller chips that are dedicated for HDMI/DP on HSW and BDW. However, Mengdong suggested that this can be dangerous; BIOS may disable gfx power well although the PCI entry for HD-audio is left, and this may result in the unexpected behavior, kernel errors, etc. For avoiding this situation, abort the probe at i915 binding failure only for HSW/BDW chips selectively. For other chips, it still continues. Fixes: bf06848bdbe5 ('ALSA: hda - Continue probing even if i915 binding fails') Reported-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | | | ALSA: hda - Re-add the lost fake mute supportTakashi Iwai2015-06-114-2/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Yet another regression by the transition to regmap cache; for better usability, we had the fake mute control using the zero amp value for Conexant codecs, and this was forgotten in the new hda core code. Since the bits 4-7 are unused for the amp registers (as we follow the syntax of AMP_GET verb), the bit 4 is now used to indicate the fake mute. For setting this flag, snd_hda_codec_amp_update() becomes a function from a simple macro. The bonus is that it gained a proper function description. Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | | | ALSA: hda - Continue probing even if i915 binding failsTakashi Iwai2015-06-111-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently snd-hda-intel driver aborts the probing of Intel HD-audio controller with i915 power well management when binding with i915 driver via hda_i915_init() fails. This is no big problem for Haswell and Broadwell where the HD-audio controllers are dedicated to HDMI/DP, thus i915 link is mandatory. However, Skylake, Baytrail and Braswell have only one controller and both HDMI/DP and analog codecs share the same bus. Thus, even if HDMI/DP isn't usable, we should keep the controller working for other codecs. For fixing this, this patch simply allows continuing the probing even if hda_i915_init() call fails. This may leave stale sound components for HDMI/DP devices that are unbound with graphics. We could abort the probing selectively, but from the code simplicity POV, it's better to continue in all cases. Reported-by: Libin Yang <libin.yang@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | | | ALSA: hda - Don't actually write registers for caps overwritesTakashi Iwai2015-06-101-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Along with the transition to regmap for managing the cached parameter reads, the caps overwrite was also moved to regmap cache. The cache change itself works, but it still tries to write the non-existing verb (the HDA parameter is read-only) wrongly. It's harmless in most cases, but some chips are picky and may result in the codec communication stall. This patch avoids it just by adding the missing flag check in reg_write ops. Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | | | ALSA: hda - fix number of devices query on hotplugDave Airlie2015-06-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new regmap code seems to cache this, which isn't helpful for the hotplug dock situation where this gets updated. Use the uncached query for this. Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
| * | | | ALSA: usb-audio: add native DSD support for JLsounds I2SoverUSBJurgen Kramer2015-06-081-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds native DSD support for the XMOS based JLsounds I2SoverUSB board Signed-off-by: Jurgen Kramer <gtmkramer@xs4all.nl> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
* | | | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2015-06-1313-38/+80
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: 1) Fix uninitialized struct station_info in cfg80211_wireless_stats(), from Johannes Berg. 2) Revert commit attempt to fix ipv6 protocol resubmission, it adds regressions. 3) Endless loops can be created in bridge port lists, fix from Nikolay Aleksandrov. 4) Don't WARN_ON() if sk->sk_forward_alloc is non-zero in sk_clear_memalloc, it is a legal situation during swap deactivation. Fix from Mel Gorman. 5) Fix order of disabling interrupts and unlocking NAPI in enic driver to avoid a race. From Govindarajulu Varadarajan. 6) High and low register writes are swapped when programming the start of periodic output in igb driver. From Richard Cochran. 7) Fix device rename handling in mpls stack, from Robert Shearman. 8) Do not trigger compaction synchronously when optimistically trying to allocate an order 3 page in alloc_skb_with_frags() and skb_page_frag_refill(). From Shaohua Li. 9) Authentication with COOKIE_ECHO is not handled properly in SCTP, fix from Marcelo Ricardo Leitner. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: Doc: networking: Fix URL for wiki.wireshark.org in udplite.txt sctp: allow authenticating DATA chunks that are bundled with COOKIE_ECHO net: don't wait for order-3 page allocation mpls: handle device renames for per-device sysctls net: igb: fix the start time for periodic output signals enic: fix memory leak in rq_clean enic: check return value for stat dump enic: unlock napi busy poll before unmasking intr net, swap: Remove a warning and clarify why sk_mem_reclaim is required when deactivating swap bridge: fix multicast router rlist endless loop tipc: disconnect socket directly after probe failure Revert "ipv6: Fix protocol resubmission" cfg80211: wext: clear sinfo struct before calling driver
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