On Thu, 17 Sep 2020, at 06:12, rentao.bupt@xxxxxxxxx wrote: > From: Tao Ren <rentao.bupt@xxxxxxxxx> > > GPIO_U is mapped to the least significant byte of input/output mask, and > the byte in "output" mask should be 0 because GPIO_U is input only. All > the other bits need to be 1 because GPIO_V/W/X support both input and > output modes. > > Similarly, GPIO_Y/Z are mapped to the 2 least significant bytes, and the > according bits need to be 1 because GPIO_Y/Z support both input and > output modes. > > Fixes: ab4a85534c3e ("gpio: aspeed: Add in ast2600 details to Aspeed driver") > Signed-off-by: Tao Ren <rentao.bupt@xxxxxxxxx> Thanks Tao, Reviewed-by: Andrew Jeffery <andrew@xxxxxxxx>