gpio/omap: use flag to identify wakeup domain
In omap3, save/restore context is implemented for GPIO banks 2-6 as GPIO bank1 is in wakeup domain. Instead of identifying bank's power domain by bank id, use 'loses_context' flag which is filled by pwrdm_can_ever_lose_context() during dev_init. For getting the powerdomain pointer, omap_hwmod_get_pwrdm() is used. omap_device_get_pwrdm() could not be used as the pwrdm information needs to be filled in pdata, whereas omap_device_get_pwrdm() could be used only after omap_device_build() call. Signed-off-by: NCharulatha V <charu@ti.com> Reviewed-by: NSantosh Shilimkar <santosh.shilimkar@ti.com> Reviewed-by: NKevin Hilman <khilman@ti.com> Signed-off-by: NKevin Hilman <khilman@ti.com>
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