[PATCH 3/7] PCI: rcar: use new OF interrupt mapping when possible
From: l.stach@pengutronix.de (Lucas Stach)
Date: 2014-02-28 17:28:39
Also in:
linux-devicetree, linux-samsung-soc, linux-sh, linux-tegra
Subsystem:
pci subsystem, the rest · Maintainers:
Bjorn Helgaas, Linus Torvalds
This is the recommended method of doing the IRQ mapping. Still fall back to the old method in order to not break the just submitted board files. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- drivers/pci/host/pci-rcar-gen2.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index ceec147baec3..3aa0c6311a42 100644
--- a/drivers/pci/host/pci-rcar-gen2.c
+++ b/drivers/pci/host/pci-rcar-gen2.c@@ -15,6 +15,7 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_pci.h> #include <linux/pci.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h>
@@ -160,8 +161,13 @@ static int __init rcar_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { struct pci_sys_data *sys = dev->bus->sysdata; struct rcar_pci_priv *priv = sys->private_data; + int irq; + + irq = of_irq_parse_and_map_pci(dev, slot, pin); + if (!irq) + irq = priv->irq; - return priv->irq; + return irq; } /* PCI host controller setup */
--
1.8.5.3