Felipe Balbi <balbi@xxxxxx> writes: > Hi, > > On Wed, Feb 08, 2012 at 03:26:54PM +0200, Felipe Balbi wrote: >> try to keep gpio block suspended as much as possible. >> >> Tested with pandaboard and a sysfs exported gpio. >> >> Signed-off-by: Felipe Balbi <balbi@xxxxxx> >> --- >> >> I couldn't see any issues with this patch. I managed to export >> a gpio and change the direction with a while true loop with >> no issues whatsoever. > > btw, I also played with gpios 7 and 8 because they have LEDs on them on > pandaboard and everything seems to be fine. > > I just want to be sure I can still go to OFF mode and wakeup, but on > vanilla 3.3-rc2 after echo mem > /sys/power/state the systems freezes on > panda, so I can't go any further. I don't think it's frozen. I suspected it's suspended without any wakeups enabled. You probably haven't enabled UART wakeups. Try enabling them like this: echo enabled > /sys/devices/platform/omap/omap_uart.2/tty/ttyO2/power/wakeup before going into suspend. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
