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

Eric Bénard eric at eukrea.com
Sun Sep 29 20:26:43 CEST 2013


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

Eric


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