lkml.org 
[lkml]   [2012]   [May]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: mc13xxx-core: kernel hangs after 'regmap_read'
On Thu, May 24, 2012 at 02:39:02PM -0300, Fabio Estevam wrote:
> On Thu, May 24, 2012 at 1:41 PM, Uwe Kleine-König

> > The imx spi driver can do both (GPIO and hardware CS) because not all
> > pins that can do hardware CS are available as GPIO.

> Right, unfortunately on mx31 the SPI CS pins cannot be used as GPIOs.

> On mx51evk the SPI CS are used as GPIOs and that probably explains why
> it worked on mx51evk and fails on mx31pdk.

Oh dear, this affects regmap but it'll probably also affect other things
- how plausible is it that we'll be able to fix in the driver (assuming
it's not just hardware misprogramming)? We can probably manage to come
up with something for regmap but it's the wrong level to fix things.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2012-05-24 20:41    [from the cache]
©2003-2011 Jasper Spaans