Messages in this thread | | | From | Linus Walleij <> | Date | Thu, 7 Dec 2023 10:56:50 +0100 | Subject | Re: [PATCH 2/2] pinctrl: stm32: fix GPIO level interrupts |
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On Mon, Dec 4, 2023 at 9:35 PM Ben Wolsieffer <ben.wolsieffer@hefring.com> wrote:
> The STM32 doesn't support GPIO level interrupts in hardware, so the > driver tries to emulate them using edge interrupts, by retriggering the > interrupt if necessary based on the pin state after the handler > finishes. > > Currently, this functionality does not work because the irqchip uses > handle_edge_irq(), which doesn't run the irq_eoi() or irq_unmask() > callbacks after handling the interrupt. This patch fixes this by using > handle_level_irq() for level interrupts, which causes irq_unmask() to be > called to retrigger the interrupt. > > Signed-off-by: Ben Wolsieffer <ben.wolsieffer@hefring.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Marc Z can apply all the patches to the irq tree once he's happy with the solution.
Yours, Linus Walleij
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