[PATCH v12 3/6] PCI: mediatek: Add new method to get irq number

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Use platform_get_irq_byname() to get the irq number
if the property of "interrupt-names" is defined.

Signed-off-by: Chuanjia Liu <chuanjia.liu@xxxxxxxxxxxx>
Acked-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
 drivers/pci/controller/pcie-mediatek.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 4296d9e04240..19e35ac62d43 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -654,7 +654,11 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 		return err;
 	}
 
-	port->irq = platform_get_irq(pdev, port->slot);
+	if (of_find_property(dev->of_node, "interrupt-names", NULL))
+		port->irq = platform_get_irq_byname(pdev, "pcie_irq");
+	else
+		port->irq = platform_get_irq(pdev, port->slot);
+
 	if (port->irq < 0)
 		return port->irq;
 
-- 
2.18.0




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