Messages in this thread | | | From | Eric Miao <> | Date | Mon, 16 Nov 2009 21:33:27 +0800 | Subject | Re: [RFC][PATCH] Add interrupt handling capability to pca953x |
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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 :-)
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