From: Chris Packham chris.packham@alliedtelesis.co.nz
Users of familiar with the Linux gpiolib API expect that value parameter to gpio_direction_output reflects the initial state of the output pin. gpio_direction_output was always driving the output low, now it drives it high or low according to the value provided.
Signed-off-by: Chris Packham chris.packham@alliedtelesis.co.nz Cc: Kyle Moffett Kyle.D.Moffett@boeing.com Cc: Andy Fleming afleming@gmail.com Cc: Peter Tyser ptyser@xes-inc.com Cc: Kumar Gala galak@kernel.crashing.org --- arch/powerpc/include/asm/mpc85xx_gpio.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/mpc85xx_gpio.h b/arch/powerpc/include/asm/mpc85xx_gpio.h index 5a608a5..2aed514 100644 --- a/arch/powerpc/include/asm/mpc85xx_gpio.h +++ b/arch/powerpc/include/asm/mpc85xx_gpio.h @@ -98,7 +98,10 @@ static inline int gpio_direction_input(unsigned gpio)
static inline int gpio_direction_output(unsigned gpio, int value) { - mpc85xx_gpio_set_low(1U << gpio); + if (value) + mpc85xx_gpio_set_high(1U << gpio); + else + mpc85xx_gpio_set_low(1U << gpio); return 0; }