[PATCH] ARM: mach-mxs/mx28evk: Only register devices if their GPIO requests succeeded

[Shawn Guo]

On Wed, Sep 14, 2011 at 12:12:40AM -0300, Fabio Estevam wrote:
> On Wed, Sep 14, 2011 at 12:18 AM, Shawn Guo <shawn.guo at freescale.com> wrote:
> > On Tue, Sep 13, 2011 at 05:25:19PM -0300, Fabio Estevam wrote:
> >> Currently framebuffer and MMC devices are registered even if their associated
> >> GPIO pins fail to be requested.
> >>
> >> Change the logic so that the registration of such devices only occurs if their
> >> GPIO requests succeeded.
> >>
> >> Signed-off-by: Fabio Estevam <fabio.estevam at freescale.com>
> >> ---
> > So the question is whether the gpio request failure is a show-stopper
> > failure for framebuffer and mmc.
> 
> If the GPIO that controls LCD enable or backlight enable failed it is
> not very useful to register the framebuffer, do you agree?
> 
> Same for MMC.
> 
Agreed.

Regards,
Shawn

> You did the same logic for the CAN bus, so I extended it for the
> framebuffer and MMC.