This patch support to get interrupt resource from device tree as well as
platform device if ehci node is defined in device tree and it's irq is
described.
Signed-off-by: Dongjin Kim <tobetter@xxxxxxxxx>
---
drivers/usb/host/ehci-s5p.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ehci-s5p.c b/drivers/usb/host/ehci-s5p.c
index 319dcfa..0fc5e5e 100644
--- a/drivers/usb/host/ehci-s5p.c
+++ b/drivers/usb/host/ehci-s5p.c
@@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/of_gpio.h>
+#include <linux/of_irq.h>
#include <linux/platform_data/usb-ehci-s5p.h>
#include <plat/usb-phy.h>
@@ -156,7 +157,12 @@ static int s5p_ehci_probe(struct platform_device *pdev)
goto fail_io;
}
- irq = platform_get_irq(pdev, 0);
+ if (pdev->dev.of_node)
+ irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+ else {
+ irq = platform_get_irq(pdev, 0);
+ }
+
if (!irq) {
dev_err(&pdev->dev, "Failed to get IRQ\n");
err = -ENODEV;
--
1.7.10.4
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