Hi! > From: Ian Ray <ian.ray@xxxxxxxxxxxxxxxx> > > [ Upstream commit bfc6444b57dc7186b6acc964705d7516cbaf3904 ] > > 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. I don't see this queued for 5.10-stable. Best regards, Pavel -- People of Russia, stop Putin before his war on Ukraine escalates.
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