gpio: mpsse: ensure worker is torn down

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When an IRQ worker is running, unplugging the device would cause a
crash. The sealevel hardware this driver was written for was not
hotpluggable, so I never realized it.

This change uses a spinlock to protect a list of workers, which
it tears down on disconnect.

Signed-off-by: Mary Strodl <mstrodl@csh.rit.edu>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20251014133530.3592716-3-mstrodl@csh.rit.edu
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

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Mary Strodl 2025-10-14 09:35:28 -04:00 • committed by Bartosz Golaszewski

parent 523ebae1cd

commit 179ef1127d

1 changed files with 99 additions and 7 deletions

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106

drivers/gpio/gpio-mpsse.c

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