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

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Message-ID: <20210823032800.1660-4-chuanjia.liu@mediatek.com>
Date:   Mon, 23 Aug 2021 11:27:57 +0800
From:   Chuanjia Liu <chuanjia.liu@...iatek.com>
To:     <robh+dt@...nel.org>, <bhelgaas@...gle.com>,
        <matthias.bgg@...il.com>, <lorenzo.pieralisi@....com>
CC:     <ryder.lee@...iatek.com>, <jianjun.wang@...iatek.com>,
        <yong.wu@...iatek.com>, <chuanjia.liu@...iatek.com>,
        <linux-pci@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v12 3/6] PCI: mediatek: Add new method to get irq number

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@...iatek.com>
Acked-by: Ryder Lee <ryder.lee@...iatek.com>
---
 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