lkml.org 
[lkml]   [2009]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [RFC][PATCH] Add interrupt handling capability to pca953x
On Mon, Nov 16, 2009 at 12:55 AM, Marc Zyngier <maz@misterjones.org> wrote:
> Most of the GPIO expanders controlled by the pca953x driver are
> able to report changes on the input pins through an *INT pin.
>
> This patch implements a very basic way for the platform code to
> be alerted when some input changes (both edge detection).
> It can be seen as a poor man irq_chip.
>
> Alternatively, this could be turned into a full-fledged irq_chip,
> though I'm not sure it is worth the complexity.
>

This actually has been submitted to the ML half a years ago along with
the first pca953x patch. I believe David Brownell has comments on
this, though :-)


\
 
 \ /
  Last update: 2009-11-16 14:37    [W:0.052 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site