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authorGrant Likely <grant.likely@linaro.org>2013-09-19 16:44:55 -0500
committerGrant Likely <grant.likely@linaro.org>2013-10-24 11:50:36 +0100
commit16b84e5a505c790538e534ad8dfda9c288691e40 (patch)
tree887e4da0c9cdf408350230165cf72730cec599e6 /arch/mips/pci
parentf7578496a671a96e501f16a5104893275e32c33a (diff)
of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.
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>
Diffstat (limited to 'arch/mips/pci')
-rw-r--r--arch/mips/pci/fixup-lantiq.c12
-rw-r--r--arch/mips/pci/pci-rt3883.c22
2 files changed, 2 insertions, 32 deletions
diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c
index aef60e75003e..c2ce41ea61d7 100644
--- a/arch/mips/pci/fixup-lantiq.c
+++ b/arch/mips/pci/fixup-lantiq.c
@@ -25,15 +25,5 @@ int pcibios_plat_dev_init(struct pci_dev *dev)
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
- struct of_phandle_args dev_irq;
- int irq;
-
- if (of_irq_parse_pci(dev, &dev_irq)) {
- dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n",
- slot, pin);
- return 0;
- }
- irq = irq_create_of_mapping(&dev_irq);
- dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
- return irq;
+ return of_irq_parse_and_map_pci(dev, slot, pin);
}
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index eadc4310cd36..adeff2bfe4cd 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -583,27 +583,7 @@ err_put_intc_node:
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
- struct of_phandle_args dev_irq;
- int err;
- int irq;
-
- err = of_irq_parse_pci(dev, &dev_irq);
- if (err) {
- pr_err("pci %s: unable to get irq map, err=%d\n",
- pci_name((struct pci_dev *) dev), err);
- return 0;
- }
-
- irq = irq_create_of_mapping(&dev_irq);
-
- if (irq == 0)
- pr_crit("pci %s: no irq found for pin %u\n",
- pci_name((struct pci_dev *) dev), pin);
- else
- pr_info("pci %s: using irq %d for pin %u\n",
- pci_name((struct pci_dev *) dev), irq, pin);
-
- return irq;
+ return of_irq_parse_and_map_pci(dev, slot, pin);
}
int pcibios_plat_dev_init(struct pci_dev *dev)