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authorPaul Fertser <fercerpav@gmail.com>2021-10-01 12:37:11 +0300
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>2021-10-02 21:26:12 +0200
commit3810e897295cb66bc45a62bc2c0b70a01004fe3b (patch)
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realtek: ensure output drivers are enabled in RTL8231
The bootloader can leave the GPIO expander in a state which doesn't have output drivers enabled so GPIOs will properly work for input but output operations will have no effect. To avoid disrupting the boot in case the bootloader left direction and data registers in an inconsistent state (e.g. pulling SoC's reset to 0) reconfigure everything as input. Reviewed-by: Sander Vanheule <sander@svanheule.net> Signed-off-by: Paul Fertser <fercerpav@gmail.com>
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