From: Srinivas Pandruvada Date: Wed, 19 Jun 2024 04:44:24 +0000 (-0700) Subject: thermal: int340x: processor_thermal: Support shared interrupts X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=096597cfe4ea08b1830e775436d76d7c9d6d3037;p=users%2Fwilly%2Fpagecache.git thermal: int340x: processor_thermal: Support shared interrupts On some systems the processor thermal device interrupt is shared with other PCI devices. In this case return IRQ_NONE from the interrupt handler when the interrupt is not for the processor thermal device. Signed-off-by: Srinivas Pandruvada Fixes: f0658708e863 ("thermal: int340x: processor_thermal: Use non MSI interrupts by default") Cc: 6.7+ # 6.7+ Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c index 14e34eabc4191..4a1bfebb1b8e5 100644 --- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c +++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c @@ -150,7 +150,7 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid) { struct proc_thermal_pci *pci_info = devid; struct proc_thermal_device *proc_priv; - int ret = IRQ_HANDLED; + int ret = IRQ_NONE; u32 status; proc_priv = pci_info->proc_priv; @@ -175,6 +175,7 @@ static irqreturn_t proc_thermal_irq_handler(int irq, void *devid) /* Disable enable interrupt flag */ proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0); pkg_thermal_schedule_work(&pci_info->work); + ret = IRQ_HANDLED; } pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);