Messages in this thread | | | From | Linus Walleij <> | Date | Tue, 31 Oct 2017 13:07:56 +0100 | Subject | Re: [PATCH] pinctrl: armada-37xx: Add edge both type gpio irq support |
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On Thu, Oct 19, 2017 at 3:10 PM, Gregory CLEMENT <gregory.clement@free-electrons.com> wrote:
> From: Ken Ma <make@marvell.com> > > Current edge both type gpio irqs which need to swap polarity in each > interrupt are not supported, this patch adds edge both type gpio irq > support. > > Signed-off-by: Ken Ma <make@marvell.com> > Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Patch applied.
The discussion here is interesting, it is customary for GPIO drivers to implement double-edge detection emulation by swapping the edge detector around like this.
It might be possible to collect some generic information about this in the Documentation/gpio/driver.txt document.
Yours, Linus Walleij
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