The following commit has been merged into the irq/core branch of tip: Commit-ID: c6a91405ac5cd5baa03fea061e11b05788223160 Gitweb: https://git.kernel.org/tip/c6a91405ac5cd5baa03fea061e11b05788223160 Author: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> AuthorDate: Mon, 19 Sep 2022 14:44:28 +02:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 19 Sep 2022 15:08:38 +02:00 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 <bigeasy@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/YnkfWFzvusFFktSt@xxxxxxxxxxxxx --- drivers/platform/x86/intel/int0002_vgpio.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/platform/x86/intel/int0002_vgpio.c b/drivers/platform/x86/intel/int0002_vgpio.c index 617dbf9..97cfbc5 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);
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