From mboxrd@z Thu Jan 1 00:00:00 1970 From: honghui.zhang@mediatek.com (honghui.zhang at mediatek.com) Date: Wed, 30 Aug 2017 09:19:14 +0800 Subject: [PATCH] PCI: mediatek: take use of PCI_NUM_INTX Message-ID: <1504055954-31545-1-git-send-email-honghui.zhang@mediatek.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Honghui Zhang Switch from using a custom NUM_INTX macro to the generic PCI_NUM_INTX definition for the number of INTx interrupts. Signed-off-by: Honghui Zhang --- drivers/pci/host/pcie-mediatek.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c index c567996..5c0ce9b 100644 --- a/drivers/pci/host/pcie-mediatek.c +++ b/drivers/pci/host/pcie-mediatek.c @@ -77,7 +77,6 @@ #define PCIE_INT_MASK 0x420 #define INTX_MASK GENMASK(19, 16) #define INTX_SHIFT 16 -#define INTX_NUM 4 #define PCIE_INT_STATUS 0x424 #define MSI_STATUS BIT(23) #define PCIE_IMSI_STATUS 0x42c @@ -576,7 +575,7 @@ static int mtk_pcie_init_irq_domain(struct mtk_pcie_port *port, return -ENODEV; } - port->irq_domain = irq_domain_add_linear(pcie_intc_node, INTX_NUM, + port->irq_domain = irq_domain_add_linear(pcie_intc_node, PCI_NUM_INTX, &intx_domain_ops, port); if (!port->irq_domain) { dev_err(dev, "failed to get INTx IRQ domain\n"); @@ -594,7 +593,7 @@ static irqreturn_t mtk_pcie_intr_handler(int irq, void *data) u32 bit = INTX_SHIFT; while ((status = readl(port->base + PCIE_INT_STATUS)) & INTX_MASK) { - for_each_set_bit_from(bit, &status, INTX_NUM + INTX_SHIFT) { + for_each_set_bit_from(bit, &status, PCI_NUM_INTX + INTX_SHIFT) { /* Clear the INTx */ writel(1 << bit, port->base + PCIE_INT_STATUS); virq = irq_find_mapping(port->irq_domain, -- 2.6.4