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@xxxxxxxxxxxxxx>
---
v2: pass in parent device to pci_common_init(), to
make DT parsing work.
---
drivers/pci/host/pci-rcar-gen2.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
index ceec147baec3..3a0914163ad0 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 */
@@ -249,6 +255,8 @@ static int __init rcar_pci_add_controller(struct rcar_pci_priv *priv)
void **private_data;
int count;
+ pci_common_init_dev(priv->dev, &rcar_hw_pci);
+
if (rcar_hw_pci.nr_controllers < rcar_pci_count)
goto add_priv;
@@ -322,8 +330,6 @@ static int __init rcar_pci_init(void)
int retval;
retval = platform_driver_probe(&rcar_pci_driver, rcar_pci_probe);
- if (!retval)
- pci_common_init(&rcar_hw_pci);
/* Private data pointer array is not needed any more */
kfree(rcar_hw_pci.private_data);
--
1.9.0
--
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