ARM: PXA2xx: MFP: fix bug with MFP_LPM_KEEP_OUTPUT
Pins that have MFP_LPM_KEEP_OUTPUT set and are configured for output must retain the output state in low power mode. Currently, the pin direction configuration is overrided with values in gpdr_lpm[] array and do not obey the MFP_LPM_KEEP_OUTPUT setting. Fix the above bug and add some documentation to clarify the MFP_LPM_KEEP_OUTPUT setting purpose. Reported-by: NPaul Parsons <lost.distance@yahoo.com> Signed-off-by: NIgor Grinberg <grinberg@compulab.co.il> Tested-by: NPaul Parsons <lost.distance@yahoo.com> Signed-off-by: NHaojian Zhuang <haojian.zhuang@gmail.com>
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