Re: iio: adc: ad_sigma_delta: IRQ issue in conjunction with IMX gpio hardware

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Hi Arnout,

On Wed, Jul 31, 2024 at 12:17 AM Arnout Diels <Arnout.Diels@xxxxxxxxxx> wrote:
> What I find strange is that that seemingly the same issue is supposedly reported to be fixed last year (https://github.com/torvalds/linux/commit/626d312028bec44209d0ecd5beaa9b1aa8945f7d).
> However, the "fix" here was to disable lazy IRQ. This does not fix anything when using the IMX8 gpiochip, since this will just mask the HW upfront, rather than waiting another IRQ cycle first.

I am using bcm2711 and ad7794.
This patch works fine for me.
However, I have not tested it on other platforms.
In addition, I did not fully understand the behavior of IRQ on the gpiochip.

Thanks,
Masahiro





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