From f460c70125bcb1b753f152d9d0c9cee3ddbc2d91 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Mon, 19 Sep 2022 14:42:54 +0200 Subject: pinctrl: amd: 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_domain_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 Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de Link: https://bugzilla.kernel.org/show_bug.cgi?id=215954 --- drivers/pinctrl/pinctrl-amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/pinctrl/pinctrl-amd.c') diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 4691a33bc374..4ed2b4ba9568 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -639,7 +639,7 @@ static bool do_amd_gpio_irq_handler(int irq, void *dev_id) if (!(regval & PIN_IRQ_PENDING) || !(regval & BIT(INTERRUPT_MASK_OFF))) continue; - generic_handle_domain_irq(gc->irq.domain, irqnr + i); + generic_handle_domain_irq_safe(gc->irq.domain, irqnr + i); /* Clear interrupt. * We must read the pin register again, in case the -- cgit v1.2.3