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-rw-r--r--drivers/acpi/pci_irq.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 08e15774fb9f..ff30ceca2203 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -387,13 +387,15 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
u8 pin;
int triggering = ACPI_LEVEL_SENSITIVE;
/*
- * On ARM systems with the GIC interrupt model, level interrupts
+ * On ARM systems with the GIC interrupt model, or LoongArch
+ * systems with the LPIC interrupt model, level interrupts
* are always polarity high by specification; PCI legacy
* IRQs lines are inverted before reaching the interrupt
* controller and must therefore be considered active high
* as default.
*/
- int polarity = acpi_irq_model == ACPI_IRQ_MODEL_GIC ?
+ int polarity = acpi_irq_model == ACPI_IRQ_MODEL_GIC ||
+ acpi_irq_model == ACPI_IRQ_MODEL_LPIC ?
ACPI_ACTIVE_HIGH : ACPI_ACTIVE_LOW;
char *link = NULL;
char link_desc[16];