diff options
| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-10-03 11:27:01 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-11-03 10:38:30 +0200 |
| commit | 6db3812e09db2577e0b1ebfd99ef0a0a1536fe0d (patch) | |
| tree | 4fd9e5db12edae54363d5314b90f66e369372c87 /drivers | |
| parent | 4dd5a69e495b71491bb21c273b6d5a979e2f685b (diff) | |
usb: dwc3: gadget: extract dwc3_gadget_get_irq()
Cleanup only, no functional changes.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index c692aafa7397..45a3325ff5b1 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2871,6 +2871,39 @@ static irqreturn_t dwc3_interrupt(int irq, void *_evt) return dwc3_check_event_buf(evt); } +static int dwc3_gadget_get_irq(struct dwc3 *dwc) +{ + struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); + int irq; + + irq = platform_get_irq_byname(dwc3_pdev, "peripheral"); + 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 peripheral IRQ\n"); + + if (!irq) + irq = -EINVAL; + +out: + return irq; +} + /** * dwc3_gadget_init - Initializes gadget related registers * @dwc: pointer to our controller context structure @@ -2879,30 +2912,13 @@ static irqreturn_t dwc3_interrupt(int irq, void *_evt) */ int dwc3_gadget_init(struct dwc3 *dwc) { - int ret, irq; - struct platform_device *dwc3_pdev = to_platform_device(dwc->dev); + int ret; + int irq; - irq = platform_get_irq_byname(dwc3_pdev, "peripheral"); - if (irq == -EPROBE_DEFER) - 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 peripheral IRQ\n"); - } - if (!irq) - irq = -EINVAL; - return irq; - } - } + irq = dwc3_gadget_get_irq(dwc); + if (irq < 0) { + ret = irq; + goto err0; } dwc->irq_gadget = irq; |