From ced8a03cf3f00edaabfc69b740b4755897676ecd Mon Sep 17 00:00:00 2001 From: Vahram Aharonyan Date: Thu, 3 Nov 2016 17:56:15 -0700 Subject: [PATCH] usb: dwc2: Add PCI properties Add device parameters handling in dwc2-pci similar what is done in dwc3. Signed-off-by: Vahram Aharonyan Signed-off-by: John Youn Signed-off-by: Felipe Balbi --- drivers/usb/dwc2/pci.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/usb/dwc2/pci.c b/drivers/usb/dwc2/pci.c index ae419615a176..b3f3b582d10b 100644 --- a/drivers/usb/dwc2/pci.c +++ b/drivers/usb/dwc2/pci.c @@ -62,6 +62,21 @@ struct dwc2_pci_glue { struct platform_device *phy; }; +static int dwc2_pci_quirks(struct pci_dev *pdev, struct platform_device *dwc2) +{ + if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS && + pdev->device == PCI_PRODUCT_ID_HAPS_HSOTG) { + struct property_entry properties[] = { + PROPERTY_ENTRY_BOOL("g-use-dma"), + { }, + }; + + return platform_device_add_properties(dwc2, properties); + } + + return 0; +} + static void dwc2_pci_remove(struct pci_dev *pci) { struct dwc2_pci_glue *glue = pci_get_drvdata(pci); @@ -122,6 +137,10 @@ static int dwc2_pci_probe(struct pci_dev *pci, return PTR_ERR(phy); } + ret = dwc2_pci_quirks(pci, dwc2); + if (ret) + goto err; + ret = platform_device_add(dwc2); if (ret) { dev_err(dev, "failed to register dwc2 device\n"); -- 2.39.5