linux-kernel - [PATCH v6 8/9] PCI: mediatek: Save the GIC IRQ in mtk_pcie

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Date:   Mon, 8 Oct 2018 11:24:47 +0800
From:   <honghui.zhang@...iatek.com>
To:     <lorenzo.pieralisi@....com>, <bhelgaas@...gle.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <ryder.lee@...iatek.com>
CC:     <ulf.hansson@...aro.org>, <marc.zyngier@....com>,
        <matthias.bgg@...il.com>, <devicetree@...r.kernel.org>,
        <yingjoe.chen@...iatek.com>, <eddie.huang@...iatek.com>,
        <honghui.zhang@...iatek.com>, <youlin.pei@...iatek.com>,
        <yt.shen@...iatek.com>, <sean.wang@...iatek.com>
Subject: [PATCH v6 8/9] PCI: mediatek: Save the GIC IRQ in mtk_pcie_port

From: Honghui Zhang <honghui.zhang@...iatek.com>

Need to save the PCIe's GIC IRQ for dispose_irq, this is a prepare
patch for add mediatek PCIe module support to tear down the IRQ, no
functional changed.

Signed-off-by: Honghui Zhang <honghui.zhang@...iatek.com>
Acked-by: Ryder Lee <ryder.lee@...iatek.com>
---
 drivers/pci/controller/pcie-mediatek.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c
index 42cf2a4..daba78f 100644
--- a/drivers/pci/controller/pcie-mediatek.c
+++ b/drivers/pci/controller/pcie-mediatek.c
@@ -162,6 +162,7 @@ struct mtk_pcie_soc {
  * @phy: pointer to PHY control block
  * @lane: lane count
  * @slot: port slot
+ * @irq: GIC irq
  * @irq_domain: legacy INTx IRQ domain
  * @inner_domain: inner IRQ domain
  * @msi_domain: MSI IRQ domain
@@ -182,6 +183,7 @@ struct mtk_pcie_port {
 	struct phy *phy;
 	u32 lane;
 	u32 slot;
+	int irq;
 	struct irq_domain *irq_domain;
 	struct irq_domain *inner_domain;
 	struct irq_domain *msi_domain;
@@ -620,7 +622,7 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 	struct mtk_pcie *pcie = port->pcie;
 	struct device *dev = pcie->dev;
 	struct platform_device *pdev = to_platform_device(dev);
-	int err, irq;
+	int err;
 
 	err = mtk_pcie_init_irq_domain(port, node);
 	if (err) {
@@ -628,8 +630,9 @@ static int mtk_pcie_setup_irq(struct mtk_pcie_port *port,
 		return err;
 	}
 
-	irq = platform_get_irq(pdev, port->slot);
-	irq_set_chained_handler_and_data(irq, mtk_pcie_intr_handler, port);
+	port->irq = platform_get_irq(pdev, port->slot);
+	irq_set_chained_handler_and_data(port->irq,
+					 mtk_pcie_intr_handler, port);
 
 	return 0;
 }
-- 
2.6.4