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authorAmbresh K <ambresh@ti.com>2011-06-15 22:40:45 +0200
committerGrant Likely <grant.likely@secretlab.ca>2011-06-16 16:40:43 +0200
commit55b220cafadd71b9f83759f7b396998b2547dc5f (patch)
tree220005da0cc200ed5f385d3077ef86f1a5e80a4a /arch/arm/mach-pxa/spitz_pm.c
parentLinux 3.0-rc3 (diff)
downloadlinux-55b220cafadd71b9f83759f7b396998b2547dc5f.tar.xz
linux-55b220cafadd71b9f83759f7b396998b2547dc5f.zip
gpio/omap4: Fix missing interrupts during device wakeup due to IOPAD.
If gpio pins from bank[2-5] are marked as wakeup enable and if the wake is through gpio IO pad wakeup, then that wakeup gpio interrupt is lost. In the current implementation, GPIO driver stores the context of DATAIN of all the gpio in the bank. During GPIO resuming, it checks DATAIN with wakeup enabled pins of gpio bank. If there is status change, then manually toggle GPIO_LEVELDETECT to generate pseudo interrupt. Reported-by: Philippe Mazet <p-mazet@ti.com> Tested-by: Philippe Mazet <p-mazet@ti.com> Signed-off-by: Ambresh K <ambresh@ti.com> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/mach-pxa/spitz_pm.c')
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