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 <srinivas.pandruvada@linux.intel.com>
Fixes: f0658708e863 ("thermal: int340x: processor_thermal: Use non MSI interrupts by default")
Cc: 6.7+ <stable@vger.kernel.org> # 6.7+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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 14e34eabc4191301e86d20edb1b1b63abf4b1f17..4a1bfebb1b8e52076fd536085c08c5e53204ee72 100644 (file)
--- 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);