[U-Boot] [PATCH] mxc_gpio: Correct the GPIO handling in gpio_direction_output()

Stefano Babic sbabic at denx.de
Wed Jul 24 13:02:08 CEST 2013


On 15/07/2013 15:58, Dirk Behme wrote:
> Setting the direction and an output value should be done by
> 
> First, set the desired output value.
> 
> Then, switch to output.
> 
> If this is done in the inverse order, like at the moment,
> there can be a glitch on the GPIO line while switching first
> the old output value and aftwards the new one.
> 
> Fix this by inverting the order of the direction/set_value
> calls.
> 
> Signed-off-by: Dirk Behme <dirk.behme at de.bosch.com>
> ---

Applied to u-boot-imx, thanks !

Best regards,
SWtefano Babic


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