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of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.

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Several architectures open code effectively the same code block for
finding and mapping PCI irqs. This patch consolidates it down to a
single function.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Grant Likely
2013-09-19 16:44:55 -05:00
parent f7578496a6
commit 16b84e5a50
7 changed files with 31 additions and 67 deletions
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14
drivers/pci/host/pci-mvebu.c
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@@ -645,18 +645,6 @@ static int __init mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
return 1;
}
static int __init mvebu_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct of_phandle_args oirq;
int ret;
ret = of_irq_parse_pci(dev, &oirq);
if (ret)
return ret;
return irq_create_of_mapping(&oirq);
}
static struct pci_bus *mvebu_pcie_scan_bus(int nr, struct pci_sys_data *sys)
{
struct mvebu_pcie *pcie = sys_to_pcie(sys);
@@ -705,7 +693,7 @@ static void __init mvebu_pcie_enable(struct mvebu_pcie *pcie)
hw.private_data = (void **)&pcie;
hw.setup = mvebu_pcie_setup;
hw.scan = mvebu_pcie_scan_bus;
hw.map_irq = mvebu_pcie_map_irq;
hw.map_irq = of_irq_parse_and_map_pci;
hw.ops = &mvebu_pcie_ops;
hw.align_resource = mvebu_pcie_align_resource;