tree e7977eb5532ae53e2869bf39d877cafc20f5fd53
parent fde364742a1afec9e71e705e863d029295282fe5
author Guennadi Liakhovetski <lg@denx.de> 1236858401 +0100
committer Sascha Hauer <s.hauer@pengutronix.de> 1241705766 +0200

mxc: emulate GPIO interrupt on both-edges

MXC GPIO controller does not support generation of interrupts on both
edges. Emulate this mode in software by reconfiguring the irq trigger
polarity on each interrupt. This follows an example of
drivers/mfd/asic3.c.

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>