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2012-08-07vfio: Include vfio.h in installed headersAlex Williamson
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2012-08-07ALSA: hda - Fix ugly debug prints with CONFIG_SND_VERBOSE_PRINTK=yTakashi Iwai
When CONFIG_SND_VERBOSE_PRINTK=y is set, the debug print in hda_auto_parser.c looks really ugly like: ALSA sound/pci/hda/hda_auto_parser.c:331 mono: mono_out=0x0 ALSA sound/pci/hda/hda_auto_parser.c:334 dig-out=0x12/0x0 ALSA sound/pci/hda/hda_auto_parser.c:335 inputs: ALSA sound/pci/hda/hda_auto_parser.c:339 Mic=0x11ALSA sound/pci/hda/hda_auto_parser.c:339 Line=0x10 ALSA sound/pci/hda/hda_auto_parser.c:341 ALSA sound/pci/hda/hda_auto_parser.c:343 dig-in=0x13 Better to put one item at each line. Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-07drivers/pinctrl/pinctrl-nomadik.c: drop devm_kfree of devm_kzalloc'd dataJulia Lawall
devm_kfree should not have to be explicitly used. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,d; @@ x = devm_kzalloc(...) ... ?-devm_kfree(d,x); // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07MAINTAINERS: fix a few pinctrl related entriesUwe Kleine-König
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07pinctrl-sirf: remove devm_kfree at error pathDevendra Naga
the pointers that are allocated with devm_kzalloc will be automatically freed, at unload time. Signed-off-by: Devendra Naga <develkernel412222@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07ALSA: hda - remove redundant auto quirks for conexant 506xDavid Henningsson
Now that the auto model is the default, these quirks are redundant and can be removed. Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-07ALSA: hda - remove quirk for Dell Vostro 1015David Henningsson
This computer is confirmed working with model=auto on kernel 3.2. Also, parsing fails with hda-emu with the current model. Cc: stable@kernel.org (3.2+) Signed-off-by: David Henningsson <david.henningsson@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-07pinctrl/nomadik: fix hsi function group listPatrice Chotard
Tidy up a small typo in the HSI function group list. Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07drm/i915: add more Haswell PCI IDsPaulo Zanoni
Also properly indent the HB IDs. Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-07Merge tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6 into fixesArnd Bergmann
ARM i.MX fixes for 3.6-rc * tag 'imx-fixes' of git://git.pengutronix.de/git/imx/linux-2.6: i.MX27: Fix emma-prp and csi clocks. ARM: clk-imx31: Fix the keypad clock name ARM: dts: imx27-3ds.dts: Fix serial console node
2012-08-07ARM: kirkwood: fix typo in Makefile.bootSebastian Hesselbarth
Just a small typo fix to make lsxl dtbs compile Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Russell King <linux@arm.linux.org.uk> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-07canfd: remove redundant CAN FD flagOliver Hartkopp
The first idea of the CAN FD implementation started with a new struct canfd_frame to be used for both CAN FD frames and legacy CAN frames. The now mainlined implementation supports both CAN frame types simultaneously and distinguishes them only by their required sizes: CAN_MTU and CANFD_MTU. Only the struct canfd_frame contains a flags element which is needed for the additional CAN FD information. As CAN FD implicitly means that the 'Extened Data Length' mode is enabled the formerly defined CANFD_EDL bit became redundant and also confusing as an unset bit would be an error and would always need to be tested. This patch removes the obsolete CANFD_EDL bit and clarifies the documentation for the use of struct canfd_frame and the CAN FD relevant flags. Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2012-08-07igb: add delay to allow igb loopback test to succeed on 8086:10c9Stefan Assmann
Some 8086:10c9 NICs have a problem completing the ethtool loopback test. The result looks like this: ethtool -t eth1 The test result is FAIL The test extra info: Register test (offline) 0 Eeprom test (offline) 0 Interrupt test (offline) 0 Loopback test (offline) 13 Link test (on/offline) 0 A bisect clearly points to commit a95a07445ee97a2fef65befafbadcc30ca1bd145. However that seems to only trigger the bug. While adding some printk the problem disappeared, so this might be a timing issue. After some trial and error I discovered that adding a small delay just before igb_write_phy_reg() in igb_integrated_phy_loopback() allows the loopback test to succeed. I was unable to figure out the root cause so far but I expect it to be somewhere in the following executing path igb_integrated_phy_loopback ->igb_write_phy_reg_igp ->igb_write_phy_reg_mdic ->igb_acquire_phy_82575 ->igb_acquire_swfw_sync_82575 The problem could only be observed on 8086:10c9 NICs so far and not all of them show the behaviour. I did not restrict the workaround to this type of NIC as it should do no harm to other igb NICs. With the patch below the loopback test succeeded 500 times in a row using a NIC that would otherwise fail. Signed-off-by: Stefan Assmann <sassmann@kpanic.de> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
2012-08-07e1000e: 82571 Tx Data Corruption during Tx hang recoveryTushar Dave
A bus trace shows that while executing e1000e_down, TCTL is cleared except for the PSP bit. This occurs while in the middle of fetching a TSO packet since the Tx packet buffer is full at that point. Before the device is reset, the e1000_watchdog_task starts to run from the middle (it was apparently pre-empted earlier, although that is not in the trace) and sets TCTL.EN. At that point, 82571 transmits the corrupted packet, apparently because TCTL.MULR was cleared in the middle of fetching a packet, which is forbidden. Driver should just clear TCTL.EN in e1000_reset_hw_82571 instead of clearing the entire register, so as not to change any settings in the middle of fetching a packet. Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
2012-08-07e1000e: NIC goes up and immediately goes downTushar Dave
Found that commit d478eb44 was a bad commit. If the link partner is transmitting codeword (even if NULL codeword), then the RXCW.C bit will be set so check for RXCW.CW is unnecessary. Ref: RH BZ 840642 Reported-by: Fabio Futigami <ffutigam@redhat.com> Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> CC: Marcelo Ricardo Leitner <mleitner@redhat.com> CC: stable <stable@vger.kernel.org> [2.6.38+] Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
2012-08-07i.MX27: Fix emma-prp and csi clocks.Javier Martin
Naming of emma-prp related clocks for the i.MX27 is not correct. Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-08-07drivers/gpio/gpio-langwell.c: fix error return codeJulia Lawall
Convert a 0 error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e,e1,e2,e3,e4,x; @@ ( if (\(ret != 0\|ret < 0\) || ...) { ... return ...; } | ret = 0 ) ... when != ret = e1 *x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...); ... when != x = e2 when != ret = e3 *if (x == NULL || ...) { ... when != ret = e4 * return ret; } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07gpio: samsung: Fix off-by-one bug in gpio addressesSean Paul
Move gpc4 to the end of the automatically processed gpio controllers so we don't taint the automatic offset calculation. This bug caused all controllers coming after gpc4 to map to the incorrect address. The result is <&gpd1 0 0 0 0> would actually map to GPIO 0 in gpd0. Signed-off-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org> Acked-by: Doug Anderson <dianders@chromium.org> Acked-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07ARM: dts: imx: add alias for gpioShawn Guo
Add alias for gpio nodes, so that gpio driver can identify the port number and then specify a sensible gpio base rather than using the one dynamically allocated by gpio core. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07gpio/mxc: specify gpio base for device tree probeShawn Guo
Currently, unlike the non-DT probe where the gpio base is specified with pdev->id, the DT probe uses the base dynamically allocated by gpio core, which uses a completely different numbering scheme. This causes two issues to user space applications which access sysfs entry /sys/class/gpio/gpioN. * It breaks the compatibility with user space applications between non-DT and DT kernels. * It's not intuitive and sometimes hard for users to map the Linux gpio number to the actual hardware pin. Use alias to identify the gpio port/bank, and then the gpio base can be specified with port id to solve above issues. If alias is not defined in device tree, the base number dynamically allocated by gpio core will be used. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07gpio/mxc: remove redundant shadow variables initializationShawn Guo
With commit 3e11f7b (gpio/generic: initialize basic_mmio_gpio shadow variables properly) in place, the shadow variables initialization is being done in generic driver bgpio_init call. Remove the redundant shadow variables initialization from gpio-mxc driver. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Tested-by: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2012-08-07ALSA: hda - add dock support for Thinkpad X230Felix Kaechele
As with the ThinkPad Models X230 Tablet and T530 the X230 needs a qurik to correctly set up the pins for the dock port. Signed-off-by: Felix Kaechele <felix@fetzig.org> Cc: <stable@vger.kernel.org> [v3.2+] Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-06net: ipv6: fix TCP early demuxEric Dumazet
IPv6 needs a cookie in dst_check() call. We need to add rx_dst_cookie and provide a family independent sk_rx_dst_set(sk, skb) method to properly support IPv6 TCP early demux. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06net: Use PTR_RET rather than if(IS_ERR(.. [1]Thomas Meyer
The semantic patch that makes this change is available in scripts/coccinelle/api/ptr_ret.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Thomas Meyer <thomas@m3y3r.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06net_sched: act: Delete estimator in error path.Hiroaki SHIMODA
Some action modules free struct tcf_common in their error path while estimator is still active. This results in est_timer() dereference freed memory. Add gen_kill_estimator() in ipt, pedit and simple action. Signed-off-by: Hiroaki SHIMODA <shimoda.hiroaki@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06ip: fix error handling in ip_finish_output2()Vasiliy Kulikov
__neigh_create() returns either a pointer to struct neighbour or PTR_ERR(). But the caller expects it to return either a pointer or NULL. Replace the NULL check with IS_ERR() check. The bug was introduced in a263b3093641fb1ec377582c90986a7fd0625184 ("ipv4: Make neigh lookups directly in output packet path."). Signed-off-by: Vasily Kulikov <segoon@openwall.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06llc: free the right skbSorin Dumitru
We are freeing skb instead of nskb, resulting in a double free on skb and a leak from nskb. Signed-off-by: Sorin Dumitru <sdumitru@ixiacom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06ixp4xx_eth: fix ptp_ixp46x build failureArnaud Patard (Rtp)
When building with ixp4xx_eth and ptp_ixp46x as module, one is getting the following error: ERROR: "ixp46x_phc_index" [drivers/ptp/ptp_ixp46x.ko] undefined! This has been introduced by commit 509a7c25729feab353502e1b544c614772a1d49a. Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06drivers/atm/iphase.c: fix error return codeJulia Lawall
Convert a 0 error return code to a negative one, as returned elsewhere in the function. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier ret; expression e,e1,e2,e3,e4,x; @@ ( if (\(ret != 0\|ret < 0\) || ...) { ... return ...; } | ret = 0 ) ... when != ret = e1 *x = \(kmalloc\|kzalloc\|kcalloc\|devm_kzalloc\|ioremap\|ioremap_nocache\|devm_ioremap\|devm_ioremap_nocache\)(...); ... when != x = e2 when != ret = e3 *if (x == NULL || ...) { ... when != ret = e4 * return ret; } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06tcp_output: fix sparse warning for tcp_wfreeSilviu-Mihai Popescu
Fix sparse warning: * symbol 'tcp_wfree' was not declared. Should it be static? Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06drivers/net/phy/mdio-mux-gpio.c: drop devm_kfree of devm_kzalloc'd dataJulia Lawall
devm_kfree should not have to be explicitly used. The semantic patch that fixes this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x,d; @@ x = devm_kzalloc(...) ... ?-devm_kfree(d,x); // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06batman-adv: select an internet gateway if none was chosenMarek Lindner
This is a regression introduced by: 2265c141086474bbae55a5bb3afa1ebb78ccaa7c ("batman-adv: gateway election code refactoring") Reported-by: Nicolás Echániz <nicoechaniz@codigosur.org> Signed-off-by: Marek Lindner <lindner_marek@yahoo.de> Acked-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06mISDN: Bugfix for layer2 fixed TEI modeKarsten Keil
If a fixed TEI is used, the initial state of the layer 2 statmachine need to be 4 (TEI assigned). This was true only for Point to Point connections, but not for the other fixed TEIs. It was not found before, because usually only the TEI 0 is used as fixed TEI for PtP mode, but if you try X31 packet mode connections with SAPI 16, TEI 1, it did fail. Signed-off-by: Karsten Keil <keil@b1-systems.de> Cc: <stable@vger.kernel.org> # 3.5.x Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06iwlwifi: disable greenfield transmissions as a workaroundJohannes Berg
There's a bug that causes the rate scaling to get stuck when it has to use single-stream rates with a peer that can do GF and SGI; the two are incompatible so we can't use them together, but that causes the algorithm to not work at all, it always rejects updates. Disable greenfield for now to prevent that problem. Cc: stable@vger.kernel.org Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Tested-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-06rt61pci: fix NULL pointer dereference in config_lna_gainStanislaw Gruszka
We can not pass NULL libconf->conf->channel to rt61pci_config() as it is dereferenced unconditionally in rt61pci_config_lna_gain() subroutine. Resolves: https://bugzilla.kernel.org/show_bug.cgi?id=44361 Cc: stable@vger.kernel.org Reported-and-tested-by: <dolohow@gmail.com> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-06cfg80211: process pending events when unregistering net deviceDaniel Drake
libertas currently calls cfg80211_disconnected() when it is being brought down. This causes an event to be allocated, but since the wdev is already removed from the rdev by the time that the event processing work executes, the event is never processed or freed. http://article.gmane.org/gmane.linux.kernel.wireless.general/95666 Fix this leak, and other possible situations, by processing the event queue when a device is being unregistered. Thanks to Johannes Berg for the suggestion. Signed-off-by: Daniel Drake <dsd@laptop.org> Cc: stable@vger.kernel.org Reviewed-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-06ARM: integrator: use clk_prepare_enable() for timerLinus Walleij
The Integrator timer is using the clock framework to get the timer frequency, but missed to prepare the clock before enabling. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-06Merge branch 'mxs/fixes-for-3.6' of ↵Arnd Bergmann
git://git.linaro.org/people/shawnguo/linux-2.6 into fixes * 'mxs/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: mxs: always build ocotp ARM: mxs: Remove MMAP_MIN_ADDR setting from mxs_defconfig ARM: mx28: Fix registers range ARM: mx23: Fix registers range
2012-08-06Merge branch 'imx/fixes-for-3.6' of ↵Arnd Bergmann
git://git.linaro.org/people/shawnguo/linux-2.6 into fixes * 'imx/fixes-for-3.6' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: dts: imx: fix gpio interrupts property ARM: dts: imx53-ard: add regulators for lan9220 ARM: imx: enable emi_slow_gate clock for imx5 ARM: imx6q-sabrelite: Setup CLKO IOMUX Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-06drm/i915: make rc6 in sysfs functions conditionalHunt Xu
Commit 0136db586c028f71e7cc21cc183064ff0d5919c8 merges rc6 information into the power group. However, when compiled with CONFIG_PM not set, modprobing i915 would taint since power_group_name is defined as NULL. This patch makes these rc6 in sysfs functions conditional upon the definition of the CONFIG_PM macro to avoid the above-mentioned problem. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45181 Cc: stable@vger.kernel.org Tested-by: Kris Karas <bugs-a12@moonlit-rail.com> Signed-off-by: Hunt Xu <mhuntxu@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-06fuse: verify all ioctl retry iov elementsZach Brown
Commit 7572777eef78ebdee1ecb7c258c0ef94d35bad16 attempted to verify that the total iovec from the client doesn't overflow iov_length() but it only checked the first element. The iovec could still overflow by starting with a small element. The obvious fix is to check all the elements. The overflow case doesn't look dangerous to the kernel as the copy is limited by the length after the overflow. This fix restores the intention of returning an error instead of successfully copying less than the iovec represented. I found this by code inspection. I built it but don't have a test case. I'm cc:ing stable because the initial commit did as well. Signed-off-by: Zach Brown <zab@redhat.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> CC: <stable@vger.kernel.org> [2.6.37+]
2012-08-06iommu/amd: Fix ACS path checkingAlex Williamson
SR-IOV can create buses without a bridge. There may be other cases where this happens as well. In these cases skip to the parent bus and continue testing devices there. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-08-06iommu/intel: Fix ACS path checkingAlex Williamson
SR-IOV can create buses without a bridge. There may be other cases where this happens as well. In these cases skip to the parent bus and continue testing devices there. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Tested-by: David Ahern <dsahern@gmail.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-08-06iommu/amd: Fix pci_request_acs() call-placeJoerg Roedel
The pci_request_acs() function needs to be called before PCI probing to be effective. So move it to another call-place to ensure that. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-08-06MAINTAINERS: update entry for Linus WalleijLinus Walleij
I prefer to use the Linaro mail address for the MAINTAINERS entry due to heavy mail traffic. Take this opportunity to update the wildcards, including removing the stmpe* drivers from the ux500 entry since these are not specific to that machine. Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-08-06ALSA: hda - Fix regression of HDMI codec probingTakashi Iwai
The commit c4bfe94a causes a regression on some codecs at probing. Since this was just a workaround to shut up a kernel warning, it'd be better to revert and fix properly. So we ended up with re-adding the cleanup callback. Tested-and-reported-by: Matt Horan <matt@matthoran.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-06ALSA: hda - add dock support for Thinkpad T430sPhilipp A. Mohrenweiser
Add a model/fixup string "lenovo-dock", for Thinkpad T430s, to allow sound in docking station. Tested on Lenovo T430s with ThinkPad Mini Dock Plus Series 3 Cc: stable@kernel.org Signed-off-by: Philipp A. Mohrenweiser <phiamo@googlemail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-08-06drm/i915: Workaround hang with BSD and forcewake on SandyBridgeChris Wilson
For reasons that are not apparent to anybody, 990bbdadaba (drm/i915: Group the GT routines together in both code and vtable) breaks the use of the BitStream Decoder ring on SandyBridge. The active ingredient of that patch is the conversion from a udelay(10) to a udelay(1) in the busy-wait loop of waiting for the forcewake acknowledge. If we restore that udelay(10) or insert another udelay(1) afterwards (or any wait longer than 250ns) everything works again. An alternative is also to remove any delay from the busy-wait loop. Given that in the atomic sections we want to complete the wait as quick as possible to avoid blocking the CPU for too long, it makes sense to remove the delay altogether and simply spin on the exit condition until it completes. So we replace the udelay(1) with cpu_relax(). Papers over regression from commit 990bbdadabaa51828e475eda86ee5720a4910cc3 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon Jul 2 11:51:02 2012 -0300 drm/i915: Group the GT routines together in both code and vtable Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=51738 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-06drm/i915: Make intel_panel_get_backlight static.Stéphane Marchesin
This function isn't used outside of intel_panel.c, so make it static. Signed-off-by: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-08-06Merge branch 'fixes_for-3.6' into fixesVinod Koul
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