The following commit has been merged into the irq/core branch of tip: Commit-ID: f460c70125bcb1b753f152d9d0c9cee3ddbc2d91 Gitweb: https://git.kernel.org/tip/f460c70125bcb1b753f152d9d0c9cee3ddbc2d91 Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Mon, 19 Sep 2022 14:42:54 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 19 Sep 2022 15:08:38 +02:00 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 <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@xxxxxxxxxxxxx Link: https://bugzilla.kernel.org/show_bug.cgi?id=215954 --- drivers/pinctrl/pinctrl-amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 4691a33..4ed2b4b 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
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