usb: dwc3: host: extract dwc3_host_get_irq()
Cleanup only, no functional changes.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/dwc3/host.c b/drivers/usb/dwc3/host.c
index f6533c6..8c2679e 100644
--- a/drivers/usb/dwc3/host.c
+++ b/drivers/usb/dwc3/host.c
@@ -19,6 +19,39 @@
#include "core.h"
+static int dwc3_host_get_irq(struct dwc3 *dwc)
+{
+ struct platform_device *dwc3_pdev = to_platform_device(dwc->dev);
+ int irq;
+
+ irq = platform_get_irq_byname(dwc3_pdev, "host");
+ if (irq > 0)
+ goto out;
+
+ if (irq == -EPROBE_DEFER)
+ goto out;
+
+ irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3");
+ if (irq > 0)
+ goto out;
+
+ if (irq == -EPROBE_DEFER)
+ goto out;
+
+ irq = platform_get_irq(dwc3_pdev, 0);
+ if (irq > 0)
+ goto out;
+
+ if (irq != -EPROBE_DEFER)
+ dev_err(dwc->dev, "missing host IRQ\n");
+
+ if (!irq)
+ irq = -EINVAL;
+
+out:
+ return irq;
+}
+
int dwc3_host_init(struct dwc3 *dwc)
{
struct property_entry props[2];
@@ -27,39 +60,18 @@ int dwc3_host_init(struct dwc3 *dwc)
struct resource *res;
struct platform_device *dwc3_pdev = to_platform_device(dwc->dev);
- irq = platform_get_irq_byname(dwc3_pdev, "host");
- if (irq == -EPROBE_DEFER)
+ irq = dwc3_host_get_irq(dwc);
+ if (irq < 0)
return irq;
- if (irq <= 0) {
- irq = platform_get_irq_byname(dwc3_pdev, "dwc_usb3");
- if (irq == -EPROBE_DEFER)
- return irq;
-
- if (irq <= 0) {
- irq = platform_get_irq(dwc3_pdev, 0);
- if (irq <= 0) {
- if (irq != -EPROBE_DEFER) {
- dev_err(dwc->dev,
- "missing host IRQ\n");
- }
- if (!irq)
- irq = -EINVAL;
- return irq;
- } else {
- res = platform_get_resource(dwc3_pdev,
- IORESOURCE_IRQ, 0);
- }
- } else {
- res = platform_get_resource_byname(dwc3_pdev,
- IORESOURCE_IRQ,
- "dwc_usb3");
- }
-
- } else {
+ res = platform_get_resource_byname(dwc3_pdev, IORESOURCE_IRQ, "host");
+ if (!res)
res = platform_get_resource_byname(dwc3_pdev, IORESOURCE_IRQ,
- "host");
- }
+ "dwc_usb3");
+ if (!res)
+ res = platform_get_resource(dwc3_pdev, IORESOURCE_IRQ, 0);
+ if (!res)
+ return -ENOMEM;
dwc->xhci_resources[1].start = irq;
dwc->xhci_resources[1].end = irq;