Commit d02f20a4 authored by Martin Larsson's avatar Martin Larsson Committed by Bartosz Golaszewski
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gpio: pca953x: mask interrupts in irq shutdown 



In the existing implementation irq_shutdown does not mask the interrupts
in hardware. This can cause spurious interrupts from the IO expander.
Add masking to irq_shutdown to prevent spurious interrupts.

Cc: stable@vger.kernel.org
Signed-off-by: default avatarMartin Larsson <martin.larsson@actia.se>
Reviewed-by: default avatarLinus Walleij <linusw@kernel.org>
Link: https://lore.kernel.org/r/20260121125631.2758346-1-martin.larsson@actia.se


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
parent 53ad4a94

drivers/gpio/gpio-pca953x.c

+2 −0
Original line number Diff line number Diff line
@@ -914,6 +914,8 @@ static void pca953x_irq_shutdown(struct irq_data *d) 
	clear_bit(hwirq, chip->irq_trig_fall);

	clear_bit(hwirq, chip->irq_trig_level_low);

	clear_bit(hwirq, chip->irq_trig_level_high);



	pca953x_irq_mask(d);

}



static void pca953x_irq_print_chip(struct irq_data *data, struct seq_file *p)