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PCI: mediatek: Use PCI_NUM_INTX

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Switch from using custom INTX_NUM macro to the generic PCI_NUM_INTX definition
for the number of INTx interrupts.

Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
[bhelgaas: use subject/changelog from similar patches]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Honghui Zhang 2017-08-30 09:19:14 +08:00 committed by Bjorn Helgaas
parent 43e6409db6
commit d84c246b73
1 changed files with 2 additions and 3 deletions
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5
drivers/pci/host/pcie-mediatek.c
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@ -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");
@ -605,7 +604,7 @@ 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,