[U-Boot] [PATCH] gpio: mxc_gpio: Fix gpio_get_value() when the GPIO is an output

[Fabio Estevam]

On Sun, Sep 29, 2013 at 3:26 PM, Eric Bénard <eric at eukrea.com> wrote:
> Hi Fabio,
>
> Le Sun, 29 Sep 2013 15:22:36 -0300,
> Fabio Estevam <festevam at gmail.com> a écrit :
>
>> On Sun, Sep 29, 2013 at 3:19 PM, Eric Bénard <eric at eukrea.com> wrote:
>>
>> > on which CPU is that ?
>>
>> Otavio tested it on mx6.
>>
>> > It's strange reading PSR works in the kernel and not in u-boot.
>>
>> The patch I sent aligns with the kernel behaviour as well:
>>
>> http://git.freescale.com/git/cgit.cgi/imx/linux-2.6-imx.git/commit/arch/arm/plat-mxc/gpio.c?h=imx_3.0.35_4.1.0&id=d6f32393eaf455ce3c32d4e9bafd34d9091eaf45
>>
> mainline kernel doesn't seem to have this fix.
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/drivers/gpio/gpio-mxc.c

Yes, I saw that too. Maybe it will also need to be fixed.

First I want to run it on real hardware and understand the issue in more detail.

Regards,

Fabio Estevam