The following commit has been merged into the irq/core branch of tip: Commit-ID: 94ec234a16cf3acdb319f05917b1efec9642222e Gitweb: https://git.kernel.org/tip/94ec234a16cf3acdb319f05917b1efec9642222e Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Mon, 19 Sep 2022 14:46:16 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 19 Sep 2022 15:08:39 +02:00 bcma: gpio: Use generic_handle_irq_safe() On PREEMPT_RT enabled kernels the demultiplex interrupt handler is force threaded and runs with interrupts enabled. The invocation of generic_handle_irq() with interrupts enabled triggers a lockdep warning due to a non-irq safe lock acquisition. Instead of disabling interrupts on the driver level, use generic_handle_domain_irq_safe(). [ tglx: Split out from combo patch ] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@xxxxxxxxxxxxx --- drivers/bcma/driver_gpio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c index fac8ff9..65fb9ba 100644 --- a/drivers/bcma/driver_gpio.c +++ b/drivers/bcma/driver_gpio.c @@ -115,7 +115,7 @@ static irqreturn_t bcma_gpio_irq_handler(int irq, void *dev_id) return IRQ_NONE; for_each_set_bit(gpio, &irqs, gc->ngpio) - generic_handle_irq(irq_find_mapping(gc->irq.domain, gpio)); + generic_handle_domain_irq_safe(gc->irq.domain, gpio); bcma_chipco_gpio_polarity(cc, irqs, val & irqs); return IRQ_HANDLED;