Re: [PATCH] gpio: pca953x: fix pca953x_irq_bus_sync_unlock race

[Bartosz Golaszewski]

From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>


On Thu, 20 Jun 2024 07:29:15 +0300, Ian Ray wrote:
> Ensure that `i2c_lock' is held when setting interrupt latch and mask in
> pca953x_irq_bus_sync_unlock() in order to avoid races.
> 
> The other (non-probe) call site pca953x_gpio_set_multiple() ensures the
> lock is held before calling pca953x_write_regs().
> 
> The problem occurred when a request raced against irq_bus_sync_unlock()
> approximately once per thousand reboots on an i.MX8MP based system.
> 
> [...]

Applied, thanks!

[1/1] gpio: pca953x: fix pca953x_irq_bus_sync_unlock race
      commit: bfc6444b57dc7186b6acc964705d7516cbaf3904

Best regards,
-- 
Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>