29 May
2016
29 May
'16
12:15 a.m.
On 04.05.16 23:05, Marek Vasut wrote:
On systems with PIO3 (SAMA5D3/D4/..), the pullup and pulldown configuration is mutualy exclusive. This patch assures that the opposite pull resistor gets disabled before the requested pull resistor is enabled. This changes behavior of at91_set_pio_pulldown() such that the pullup is only disabled if pulldown is to be enabled. This changes behavior of at91_set_pio_pullup() such that the pulldown is only disabled if pullup is to be enabled.
Signed-off-by: Marek Vasut marex@denx.de Cc: Andreas Bießmann andreas.devel@googlemail.com Cc: Josh Wu josh.wu@atmel.com Cc: Simon Glass sjg@chromium.org
Reviewed-by: Andreas Bießmann andreas@biessmann.org