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2012-04-25bsp/emenlow: initialize lvds backlight only if lvds enabledtzanussi/emenlow-i2c-transfer-fixTom Zanussi
intel_lvds_init() initializes the lvds backlight even if the lvds init failed. That doesn't make sense, and causes unnecessary error messages in the kernel log. Put the backlight init code into a separat function and only call it if the lvds panel was successfully initialized. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-04-25bsp/emenlow: give up drm_global_mutex on contention in drm_lock()tzanussi/drm-lock-fixTom Zanussi
If drm_lock_take() fails, give up the global ioctl mutex and allow other locked ioctls in the meantime. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-16Merge branch 'yocto/standard/base' into standard/default/emenlowBruce Ashfield
2012-03-16Merge commit 'v3.2.11' into baseBruce Ashfield
2012-03-13drm-psb: change udelay to mdelay in intel_wait_for_vblank()tzanussi/standard/default/emenlow-3.2Tom Zanussi
This fixes the compile error> ERROR: "__bad_udelay" [drivers/gpu/drm-psb/psb.ko] undefined! This is the same fix as in gma500: commit 243dd2809a5edd2e0e3e62781083aa44049af37d Author: Stephen Rothwell <sfr@canb.auug.org.au> Date: Mon Jul 25 15:18:44 2011 +1000 gma500: udelay(20000) it too long again Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: fix ioremap callsTom Zanussi
Mapping the opregion non-cacheable fails, so use acpi_os_ioremap instead. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: initialize backlight typeTom Zanussi
If unset, props.type gets the value 0, which is no longer maps to a valid type value, so initialize it explicitly. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: mark unlocked ioctlsTom Zanussi
Mark the ioctls that already do their own locking DRM_UNLOCKED. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: add DRM_UNLOCKED flagTom Zanussi
Add DRM_UNLOCKED to allow us to call handlers that do their own locking without the global lock. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: use console_lock/unlock()Tom Zanussi
The acquire/release_console_sem() functions were renamed to console_lock/unlock(), so change the calls. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: remove assigment to deprecated i2c_adapter.idTom Zanussi
i2c_adapter.id has been removed and it's not used by anything, so remove it. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: remove includes of nonexistent i2c-id.hTom Zanussi
i2c-id.h is gone, don't include it. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: remove call to agp_flush_chipsetTom Zanussi
agp_flush_chipset was removed because intel drm calls the chipset functions directly, and psb doesn't implement a chipset_flush() function anyway. Leave drm_agp_flush_chipset exported for modules that might be expecting it to be there though. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: update spinlock initializersTom Zanussi
Update SPIN_LOCK_UNLOCKED users to __ form. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: remove BKL remnantsTom Zanussi
replace lock/unlock_kernel with the drm_global_mutex from 3.0. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm: Fix psb ioctl assignmentTom Zanussi
Replace drm_ioctl with drm_unlocked_ioctl. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13emenlow: switch to psbTom Zanussi
Use drm-psb instead of drm for emenlow. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm: intel_ldvs.c: add missing arg to backlight_device_register() callTom Zanussi
backlight_device_register() added a backlight_props param - give it another arg to keep it happy. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm: apply psb-kernel-source package's build.patchTom Zanussi
Build mods required for compilation. Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm-psb: remove the package Makefile and replace it with the kernel MakefileTom Zanussi
The default Makefile is meant for building the modules externally. Replace it with the normal kernel Makefile (Makefile.kernel). Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13drm: add the base source of the Poulsbo (psb) 2D X11 driverTom Zanussi
The complete source of the base (unpatched) psb-kernel-source Poky package, moved into the kernel tree so it can be build as a first-class citizen instead of as an external module. Subsequent patches will remove the unnecessary parts. The code here is all the code contained in this tarball: https://launchpad.net/~gma500/+archive/ppa/+files/ psb-kernel-source_4.42.0-0ubuntu2~1010um5.tar.gz Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
2012-03-13Linux 3.2.11Greg Kroah-Hartman
2012-03-13Revert "mfd: Test for jack detection when deciding if wm8994 should suspend"Greg Kroah-Hartman
This reverts commit 315e73b400c9a287a53efb5f857d308589674ac5 as it breaks the 3.2-stable build. Reported-by: Ben Guthro <ben@guthro.net> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12Linux 3.2.10Greg Kroah-Hartman
2012-03-12ARM: OMAP: fix iommu, not mailboxOhad Ben-Cohen
commit 134d12fae0bb8f3d60dc7440a9e1950bb5427167 upstream. For some weird (freudian?) reason, commit 435792d "ARM: OMAP: make iommu subsys_initcall to fix builtin omap3isp" unintentionally changed the mailbox's initcall instead of the iommu's. Fix that. Reported-by: Fernando Guzman Lugo <fernando.lugo@ti.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Joerg Roedel <Joerg.Roedel@amd.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12spi-topcliff-pch: rename pch_spi_pcidev to pch_spi_pcidev_driverDanny Kukawka
commit c88db233251b026fda775428f0250c760553e216 upstream. Rename static struct pci_driver pch_spi_pcidev to pch_spi_pcidev_driver to get rid of warnings from modpost checks. Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12mfd: Fix cs5535 section mismatchChristian Gmeiner
commit 97e43c983c721a47546e6db3b7711dcd912a6481 upstream. Silence following warnings: WARNING: drivers/mfd/cs5535-mfd.o(.data+0x20): Section mismatch in reference from the variable cs5535_mfd_drv to the function .devinit.text:cs5535_mfd_probe() The variable cs5535_mfd_drv references the function __devinit cs5535_mfd_probe() If the reference is valid then annotate the variable with __init* or __refdata (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console WARNING: drivers/mfd/cs5535-mfd.o(.data+0x28): Section mismatch in reference from the variable cs5535_mfd_drv to the function .devexit.text:cs5535_mfd_remove() The variable cs5535_mfd_drv references the function __devexit cs5535_mfd_remove() If the reference is valid then annotate the variable with __exit* (see linux/init.h) or name the variable: *driver, *_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console Rename the variable from *_drv to *_driver so modpost ignore the OK references to __devinit/__devexit functions. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> Acked-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12cs5535-mfgpt: don't call __init function from __devinitDanny Kukawka
commit 474de3bbadd9cb75ffc32cc759c40d868343d46c upstream. Fix scan_timers() to be __devinit and not __init since the function get called from cs5535_mfgpt_probe which is __devinit. Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm raid: fix flush supportJonathan E Brassow
commit 0ca93de9b789e0eb05e103f0c04de72df13da73a upstream. Fix dm-raid flush support. Both md and dm have support for flush, but the dm-raid target forgot to set the flag to indicate that flushes should be passed on. (Important for data integrity e.g. with writeback cache enabled.) Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm raid: set MD_CHANGE_DEVS when rebuildingJonathan E Brassow
commit 3aa3b2b2b1edb813dc5342d0108befc39541542d upstream. The 'rebuild' parameter is used to rebuild individual devices in an array (e.g. resynchronize a RAID1 device or recalculate a parity device in higher RAID). The MD_CHANGE_DEVS flag must be set when this parameter is given in order to write out the superblocks and make the change take immediate effect. The code that handles new devices in super_load already sets MD_CHANGE_DEVS and 'FirstUse'. (The 'FirstUse' flag was being set as a special case for rebuilds in super_init_validation.) Add a condition for rebuilds in super_load to take care of both flags without the special case in 'super_init_validation'. Signed-off-by: Jonathan Brassow <jbrassow@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm thin metadata: decrement counter after removing mapped blockJoe Thornber
commit af63bcb817cf708f53bcae6edc2e3fb7dd7d8051 upstream. Correct the number of mapped sectors shown on a thin device's status line by decrementing td->mapped_blocks in __remove() each time a block is removed. Signed-off-by: Joe Thornber <ejt@redhat.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm thin metadata: unlock superblock in init_pmd error pathJoe Thornber
commit 4469a5f387fdde956894137751a41473618a4a52 upstream. If dm_sm_disk_create() fails the superblock must be unlocked. Signed-off-by: Joe Thornber <ejt@redhat.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm thin metadata: remove incorrect close_device on creation error pathsMike Snitzer
commit 1f3db25d8be4ac50b897b39609802183ea68a514 upstream. The __open_device() error paths in __create_thin() and __create_snap() incorrectly call __close_device() even if td was not initialized by __open_device(). Remove this. Also document __open_device() return values, remove a redundant td->changed = 1 in __create_thin(), and insert an additional safeguard against creating an already-existing device. Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm flakey: fix crash on read when corrupt_bio_byte not setMike Snitzer
commit 1212268fd9816e3b8801e57b896fceaec71969ad upstream. The following BUG is hit on the first read that is submitted to a dm flakey test device while the device is "down" if the corrupt_bio_byte feature wasn't requested when the device's table was loaded. Example DM table that will hit this BUG: 0 2097152 flakey 8:0 2048 0 30 This bug was introduced by commit a3998799fb4df0b0af8271a7d50c4269032397aa (dm flakey: add corrupt_bio_byte feature) in v3.1-rc1. BUG: unable to handle kernel paging request at ffff8801cfce3fff IP: [<ffffffffa008c233>] corrupt_bio_data+0x6e/0xae [dm_flakey] PGD 1606063 PUD 0 Oops: 0002 [#1] SMP ... Call Trace: <IRQ> [<ffffffffa008c2b5>] flakey_end_io+0x42/0x48 [dm_flakey] [<ffffffffa00dca98>] clone_endio+0x54/0xb6 [dm_mod] [<ffffffff81130587>] bio_endio+0x2d/0x2f [<ffffffff811c819a>] req_bio_endio+0x96/0x9f [<ffffffff811c94b9>] blk_update_request+0x1dc/0x3a9 [<ffffffff812f5ee2>] ? rcu_read_unlock+0x21/0x23 [<ffffffff811c96a6>] blk_update_bidi_request+0x20/0x6e [<ffffffff811c9713>] blk_end_bidi_request+0x1f/0x5d [<ffffffff811c978d>] blk_end_request+0x10/0x12 [<ffffffff8128f450>] scsi_io_completion+0x1e5/0x4b1 [<ffffffff812882a9>] scsi_finish_command+0xec/0xf5 [<ffffffff8128f830>] scsi_softirq_done+0xff/0x108 [<ffffffff811ce284>] blk_done_softirq+0x84/0x98 [<ffffffff81048d19>] __do_softirq+0xe3/0x1d5 [<ffffffff8138f83f>] ? _raw_spin_lock+0x62/0x69 [<ffffffff810997cf>] ? handle_irq_event+0x4c/0x61 [<ffffffff8139833c>] call_softirq+0x1c/0x30 [<ffffffff81003b37>] do_softirq+0x4b/0xa3 [<ffffffff81048a39>] irq_exit+0x53/0xca [<ffffffff81398acd>] do_IRQ+0x9d/0xb4 [<ffffffff81390333>] common_interrupt+0x73/0x73 ... Signed-off-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm io: fix discard supportMilan Broz
commit 0c535e0d6f463365c29623350dbd91642363c39b upstream. This patch fixes a crash by recognising discards in dm_io. Currently dm_mirror can send REQ_DISCARD bios if running over a discard-enabled device and without support in dm_io the system crashes badly. BUG: unable to handle kernel paging request at 00800000 IP: __bio_add_page.part.17+0xf5/0x1e0 ... bio_add_page+0x56/0x70 dispatch_io+0x1cf/0x240 [dm_mod] ? km_get_page+0x50/0x50 [dm_mod] ? vm_next_page+0x20/0x20 [dm_mod] ? mirror_flush+0x130/0x130 [dm_mirror] dm_io+0xdc/0x2b0 [dm_mod] ... Introduced in 2.6.38-rc1 by commit 5fc2ffeabb9ee0fc0e71ff16b49f34f0ed3d05b4 (dm raid1: support discard). Signed-off-by: Milan Broz <mbroz@redhat.com> Acked-by: Mike Snitzer <snitzer@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12dm ioctl: do not leak argv if target message only contains whitespaceJesper Juhl
commit 902c6a96a7cb9c50d2a8aed1788efad0a5d8f04c upstream. If 'argc' is zero we jump to the 'out:' label, but this leaks the (unused) memory that 'dm_split_args()' allocated for 'argv' if the string being split consisted entirely of whitespace. Jump to the 'out_argv:' label instead to free up that memory. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12x86/amd: iommu_set_device_table() must not be __initJan Beulich
commit 6b7f000eb6a0b81d7a809833edb7a457eedf8512 upstream. This function is called from enable_iommus(), which in turn is used from amd_iommu_resume(). Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12net/usbnet: avoid recursive locking in usbnet_stop()Sebastian Siewior
commit 4231d47e6fe69f061f96c98c30eaf9fb4c14b96d upstream. |kernel BUG at kernel/rtmutex.c:724! |[<c029599c>] (rt_spin_lock_slowlock+0x108/0x2bc) from [<c01c2330>] (defer_bh+0x1c/0xb4) |[<c01c2330>] (defer_bh+0x1c/0xb4) from [<c01c3afc>] (rx_complete+0x14c/0x194) |[<c01c3afc>] (rx_complete+0x14c/0x194) from [<c01cac88>] (usb_hcd_giveback_urb+0xa0/0xf0) |[<c01cac88>] (usb_hcd_giveback_urb+0xa0/0xf0) from [<c01e1ff4>] (musb_giveback+0x34/0x40) |[<c01e1ff4>] (musb_giveback+0x34/0x40) from [<c01e2b1c>] (musb_advance_schedule+0xb4/0x1c0) |[<c01e2b1c>] (musb_advance_schedule+0xb4/0x1c0) from [<c01e2ca8>] (musb_cleanup_urb.isra.9+0x80/0x8c) |[<c01e2ca8>] (musb_cleanup_urb.isra.9+0x80/0x8c) from [<c01e2ed0>] (musb_urb_dequeue+0xec/0x108) |[<c01e2ed0>] (musb_urb_dequeue+0xec/0x108) from [<c01cbb90>] (unlink1+0xbc/0xcc) |[<c01cbb90>] (unlink1+0xbc/0xcc) from [<c01cc2ec>] (usb_hcd_unlink_urb+0x54/0xa8) |[<c01cc2ec>] (usb_hcd_unlink_urb+0x54/0xa8) from [<c01c2a84>] (unlink_urbs.isra.17+0x2c/0x58) |[<c01c2a84>] (unlink_urbs.isra.17+0x2c/0x58) from [<c01c2b44>] (usbnet_terminate_urbs+0x94/0x10c) |[<c01c2b44>] (usbnet_terminate_urbs+0x94/0x10c) from [<c01c2d68>] (usbnet_stop+0x100/0x15c) |[<c01c2d68>] (usbnet_stop+0x100/0x15c) from [<c020f718>] (__dev_close_many+0x94/0xc8) defer_bh() takes the lock which is hold during unlink_urbs(). The safe walk suggest that the skb will be removed from the list and this is done by defer_bh() so it seems to be okay to drop the lock here. Reported-by: Aníbal Almeida Pinto <anibal.pinto@efacec.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12drm/radeon/kms: set SX_MISC in the r6xx blit code (v2)Marek Olšák
commit cf00790dea6f210ddd01a6656da58c7c9a4ea0e4 upstream. Mesa may set it to 1, causing all primitives to be killed. v2: also update the r7xx code Signed-off-by: Marek Olšák <maraeo@gmail.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12carl9170: fix frame delivery if sta is in powersave modeChristian Lamparter
commit 9926a67557532acb6cddb1c1add02952175b5c72 upstream. Nicolas Cavallari discovered that carl9170 has some serious problems delivering data to sleeping stations. It turns out that the driver was not honoring two important flags (IEEE80211_TX_CTL_POLL_RESPONSE and IEEE80211_TX_CTL_CLEAR_PS_FILT) which are set on frames that should be sent although the receiving station is still in powersave mode. Reported-by: Nicolas Cavallari <Nicolas.Cavallari@lri.fr> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12carl9170: Fix memory accounting when sta is in power-save mode.Nicolas Cavallari
commit 992d52529d7840236d3059b51c15d5eb9e81a869 upstream. On Access Point mode, when transmitting a packet, if the destination station is in powersave mode, we abort transmitting the packet to the device queue, but we do not reclaim the allocated memory. Given enough packets, we can go in a state where there is no packet on the device queue, but we think the device has no memory left, so no packet gets transmitted, connections breaks and the AP stops working. This undo the allocation done in the TX path when the station is in power-save mode. Signed-off-by: Nicolas Cavallari <cavallar@lri.fr> Acked-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12hwmon: (zl6100) Maintain delay parameter in driver instance dataGuenter Roeck
commit 7ad6307ad6968ce25cecf209d4822d4c722be030 upstream. A global delay parameter has the side effect of being overwritten with 0 if a single ZL2004 or ZL6105 is instantiated. If other chips supported by the same driver are in the system, this will result in access errors for those chips. To solve the problem, keep a per-instance copy of the delay parameter, and do not change the original parameter. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12hwmon: (jc42) Add support for AT30TS00, TS3000GB2, TSE2002GB2, and MCP9804Guenter Roeck
commit 1bd612a25855f4cc9345052b53d7da697dba6358 upstream. Also update IDT datasheet locations. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000Jean Delvare
commit 4de86126a712ba83fa038d277c8282f7ed466a4b upstream. These are fully compatible with Jedec JC 42.4 as far as I can see. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12hwmon: (pmbus_core) Fix maximum number of POUT alarm attributesGuenter Roeck
commit 7cb3c44fb1f7999e4c53b6a52de6bc25da6de079 upstream. There are up to three POUT alarm attributes, not two, since cap_alarm was added. Reported-by: Michele Petracca <mi.petracca@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12Input: ALPS - fix touchpad detection when buttons are pressedAkio Idehara
commit 99c90ab31fad855b9da9dee3a5aa6c27f263e9d6 upstream. ALPS touchpad detection fails if some buttons of ALPS are pressed. The reason is that the "E6" query response byte is different from what is expected. This was tested on a Toshiba Portege R500. Signed-off-by: Akio Idehara <zbe64533@gmail.com> Tested-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12media: staging: lirc_serial: Do not assume error codes returned by request_irq()Ben Hutchings
commit affc9a0d59ac49bd304e2137bd5e4ffdd6fdfa52 upstream. lirc_serial_probe() must fail if request_irq() returns an error, even if it isn't EBUSY or EINVAL, Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12media: staging: lirc_serial: Fix deadlock on resume failureBen Hutchings
commit 1ff1d88e862948ae5bfe490248c023ff8ac2855d upstream. A resume function cannot remove the device it is resuming! Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12media: staging: lirc_serial: Free resources on failure paths of ↵Ben Hutchings
lirc_serial_probe() commit c8e57e1b766c2321aa76ee5e6878c69bd2313d62 upstream. Failure to allocate the I/O region leaves the IRQ allocated. A later failure leaves them both allocated. Reported-by: Torsten Crass <torsten.crass@eBiology.de> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-12media: staging: lirc_serial: Fix init/exit orderBen Hutchings
commit 9105b8b200410383d0854bbe237ee385d7d33ba6 upstream. Currently the module init function registers a platform_device and only then allocates its IRQ and I/O region. This allows allocation to race with the device's suspend() function. Instead, allocate resources in the platform driver's probe() function and free them in the remove() function. The module exit function removes the platform device before the character device that provides access to it. Change it to reverse the order of initialisation. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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