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authorAaro Koskinen <aaro.koskinen@iki.fi>2013-11-11 18:41:38 (GMT)
committerTomi Valkeinen <tomi.valkeinen@ti.com>2013-11-26 10:49:17 (GMT)
commitc37dd677988ca50bc8bc60ab5ab053720583c168 (patch)
tree29a3aebb4a036c5db9f9ec29710c7440ccd96c80 /drivers/mfd/sec-irq.c
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42ae (diff)
downloadlinux-fsl-qoriq-c37dd677988ca50bc8bc60ab5ab053720583c168.tar.xz
ARM: OMAPFB: panel-sony-acx565akm: fix bad unlock balance
When booting Nokia N900 smartphone with v3.12 + omap2plus_defconfig (LOCKDEP enabled) and CONFIG_DISPLAY_PANEL_SONY_ACX565AKM enabled, the following BUG is seen during the boot: [ 7.302154] ===================================== [ 7.307128] [ BUG: bad unlock balance detected! ] [ 7.312103] 3.12.0-los.git-2093492-00120-g5e01dc7 #3 Not tainted [ 7.318450] ------------------------------------- [ 7.323425] kworker/u2:1/12 is trying to release lock (&ddata->mutex) at: [ 7.330657] [<c031b760>] acx565akm_enable+0x12c/0x18c [ 7.335998] but there are no more locks to release! Fix by removing double unlock and handling the locking completely inside acx565akm_panel_power_on() when doing the power on. Reported-by: Eduardo Valentin <eduardo.valentin@ti.com> Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Cc: stable@vger.kernel.org Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/mfd/sec-irq.c')
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