Re: [PATCH v1] Documentation: gpio: pca953x: clarify interrupt source detection
From: Bartosz Golaszewski
Date: Thu Jan 08 2026 - 06:51:19 EST
On Wed, 07 Jan 2026 10:31:22 +0100, Ernest Van Hoecke wrote:
> There are multiple design tradeoffs and considerations in how the
> PCA953x driver detects the source(s) of an interrupt. This driver
> supports PCAL variants with input latching, a feature that is
> constrained by the fact that the interrupt status and input port
> registers cannot be read atomically. These limits and the design
> decisions deserve an in-depth explanation.
>
> [...]
Applied, thanks!
[1/1] Documentation: gpio: pca953x: clarify interrupt source detection
commit: 8ba379879aa3e8cef871fed4a509d4f0a6370e6c
Best regards,
--
Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>