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usb: dwc3: host: extract dwc3_host_get_irq()

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Cleanup only, no functional changes.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-10-03 12:31:48 +03:00
parent 6db3812e09
commit 6d729a55cc
1 changed files with 42 additions and 30 deletions
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72
drivers/usb/dwc3/host.c
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@ -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;