From: Vahram Aharonyan <vahrama@synopsys.com>
Date: Fri, 4 Nov 2016 00:56:15 +0000 (-0700)
Subject: usb: dwc2: Add PCI properties
X-Git-Tag: v4.10-rc1~150^2~57^2~64
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ced8a03cf3f00edaabfc69b740b4755897676ecd;p=karo-tx-linux.git

usb: dwc2: Add PCI properties

Add device parameters handling in dwc2-pci similar what is done in dwc3.

Signed-off-by: Vahram Aharonyan <vahrama@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

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");