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usb: gadget: pch_udc: enable MSI if hardware supports 

Try to enable MSI in case hardware supports it. At least Intel Quark is
known SoC which indeed does.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Andy Shevchenko 2016-03-18 16:55:36 +02:00 committed by Felipe Balbi
parent 969733f376
commit c7b640d2a2
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/udc/pch_udc.c
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@ -3132,6 +3132,8 @@ static int pch_udc_probe(struct pci_dev *pdev,
if (pch_udc_pcd_init(dev))
return -ENODEV;
pci_enable_msi(pdev);
retval = devm_request_irq(&pdev->dev, pdev->irq, pch_udc_isr,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (retval) {