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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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17
arch/arm/mach-integrator/pci_v3.c
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@@ -835,21 +835,6 @@ static struct hw_pci pci_v3 __initdata = {
#ifdef CONFIG_OF
static int __init pci_v3_map_irq_dt(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) {
dev_err(&dev->dev, "of_irq_parse_pci() %d\n", ret);
/* Proper return code 0 == NO_IRQ */
return 0;
}
return irq_create_of_mapping(&oirq);
}
static int __init pci_v3_dtprobe(struct platform_device *pdev,
struct device_node *np)
{
@@ -918,7 +903,7 @@ static int __init pci_v3_dtprobe(struct platform_device *pdev,
return -EINVAL;
}
pci_v3.map_irq = pci_v3_map_irq_dt;
pci_v3.map_irq = of_irq_parse_and_map_pci;
pci_common_init_dev(&pdev->dev, &pci_v3);
return 0;