From: Sebastian Andrzej Siewior Date: Mon, 19 Sep 2022 12:44:28 +0000 (+0200) Subject: platform/x86: intel_int0002_vgpio: Use generic_handle_irq_safe() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c6a91405ac5cd5baa03fea061e11b05788223160;p=linux.git platform/x86: intel_int0002_vgpio: 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 Signed-off-by: Thomas Gleixner Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@linutronix.de --- diff --git a/drivers/platform/x86/intel/int0002_vgpio.c b/drivers/platform/x86/intel/int0002_vgpio.c index 617dbf98980ec..97cfbc520a02c 100644 --- a/drivers/platform/x86/intel/int0002_vgpio.c +++ b/drivers/platform/x86/intel/int0002_vgpio.c @@ -125,8 +125,7 @@ static irqreturn_t int0002_irq(int irq, void *data) if (!(gpe_sts_reg & GPE0A_PME_B0_STS_BIT)) return IRQ_NONE; - generic_handle_irq(irq_find_mapping(chip->irq.domain, - GPE0A_PME_B0_VIRT_GPIO_PIN)); + generic_handle_domain_irq_safe(chip->irq.domain, GPE0A_PME_B0_VIRT_GPIO_PIN); pm_wakeup_hard_event(chip->parent);