Messages in this thread | | | Date | Tue, 27 Oct 2015 13:29:54 +0100 | Subject | Re: [PATCH 1/3] pinctrl: intel: Add support for multiple GPIO chips sharing the interrupt | From | Linus Walleij <> |
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On Wed, Oct 21, 2015 at 12:08 PM, Mika Westerberg <mika.westerberg@linux.intel.com> wrote:
> On Intel Broxton the GPIO hardware consists of several chips that all share > the parent interrupt. It is not possible to handle this by setting chained > handler for each chip (as they will overwrite each other). > > To overcome this we need to request the interrupt using devm_request_irq() > and pass IRQF_SHARED with the flags. > > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Makes perfect sense. Patch applied.
Yours, Linus Walleij
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