---

yaml
---
r: 364342
b: refs/heads/master
c: dcd6406
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 18c2bb1b8c1571f4c1fa33cc1f4525b282059455
+refs/heads/master: dcd64063fd917b5c79f99cae218e1df3ed1b62a2

trunk/drivers/usb/host/ehci-omap.c

@@ -4,10 +4,11 @@
  * Bus Glue for the EHCI controllers in OMAP3/4
  * Tested on several OMAP3 boards, and OMAP4 Pandaboard
  *
- * Copyright (C) 2007-2011 Texas Instruments, Inc.
+ * Copyright (C) 2007-2013 Texas Instruments, Inc.
  *	Author: Vikram Pandita <vikram.pandita@ti.com>
  *	Author: Anand Gadiyar <gadiyar@ti.com>
  *	Author: Keshava Munegowda <keshava_mgowda@ti.com>
+ *	Author: Roger Quadros <rogerq@ti.com>
  *
  * Copyright (C) 2009 Nokia Corporation
  *	Contact: Felipe Balbi <felipe.balbi@nokia.com>
@@ -70,6 +71,10 @@ static const char hcd_name[] = "ehci-omap";
 
 /*-------------------------------------------------------------------------*/
 
+struct omap_hcd {
+	struct usb_phy *phy[OMAP3_HS_USB_PORTS]; /* one PHY for each port */
+	int nports;
+};
 
 static inline void ehci_write(void __iomem *base, u32 reg, u32 val)
 {
@@ -178,7 +183,8 @@ static void disable_put_regulator(
 static struct hc_driver __read_mostly ehci_omap_hc_driver;
 
 static const struct ehci_driver_overrides ehci_omap_overrides __initdata = {
-	.reset =		omap_ehci_init,
+	.reset = omap_ehci_init,
+	.extra_priv_size = sizeof(struct omap_hcd),
 };
 
 /**
@@ -190,15 +196,16 @@ static const struct ehci_driver_overrides ehci_omap_overrides __initdata = {
  */
 static int ehci_hcd_omap_probe(struct platform_device *pdev)
 {
-	struct device				*dev = &pdev->dev;
-	struct usbhs_omap_platform_data		*pdata = dev->platform_data;
-	struct resource				*res;
-	struct usb_hcd				*hcd;
-	void __iomem				*regs;
-	int					ret = -ENODEV;
-	int					irq;
-	int					i;
-	char					supply[7];
+	struct device *dev = &pdev->dev;
+	struct usbhs_omap_platform_data *pdata = dev->platform_data;
+	struct resource	*res;
+	struct usb_hcd	*hcd;
+	void __iomem *regs;
+	int ret = -ENODEV;
+	int irq;
+	int i;
+	char supply[7];
+	struct omap_hcd	*omap;
 
 	if (usb_disabled())
 		return -ENODEV;
@@ -231,6 +238,33 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 	hcd->rsrc_len = resource_size(res);
 	hcd->regs = regs;
 
+	omap = (struct omap_hcd *)hcd_to_ehci(hcd)->priv;
+	omap->nports = pdata->nports;
+
+	platform_set_drvdata(pdev, hcd);
+
+	/* get the PHY devices if needed */
+	for (i = 0 ; i < omap->nports ; i++) {
+		struct usb_phy *phy;
+
+		if (pdata->port_mode[i] != OMAP_EHCI_PORT_MODE_PHY)
+			continue;
+
+		/* get the PHY device */
+		phy = devm_usb_get_phy_dev(dev, i);
+		if (IS_ERR(phy) || !phy) {
+			ret = IS_ERR(phy) ? PTR_ERR(phy) : -ENODEV;
+			dev_err(dev, "Can't get PHY device for port %d: %d\n",
+					i, ret);
+			goto err_phy;
+		}
+
+		omap->phy[i] = phy;
+		usb_phy_init(omap->phy[i]);
+		/* bring PHY out of suspend */
+		usb_phy_set_suspend(omap->phy[i], 0);
+	}
+
 	/* get ehci regulator and enable */
 	for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) {
 		if (pdata->port_mode[i] != OMAP_EHCI_PORT_MODE_PHY) {
@@ -275,6 +309,13 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 err_pm_runtime:
 	disable_put_regulator(pdata);
 	pm_runtime_put_sync(dev);
+
+err_phy:
+	for (i = 0; i < omap->nports; i++) {
+		if (omap->phy[i])
+			usb_phy_shutdown(omap->phy[i]);
+	}
+
 	usb_put_hcd(hcd);
 
 	return ret;
@@ -291,13 +332,20 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
  */
 static int ehci_hcd_omap_remove(struct platform_device *pdev)
 {
-	struct device *dev				= &pdev->dev;
-	struct usb_hcd *hcd				= dev_get_drvdata(dev);
+	struct device *dev = &pdev->dev;
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct omap_hcd *omap = (struct omap_hcd *)hcd_to_ehci(hcd)->priv;
+	int i;
 
 	usb_remove_hcd(hcd);
 	disable_put_regulator(dev->platform_data);
-	usb_put_hcd(hcd);
 
+	for (i = 0; i < omap->nports; i++) {
+		if (omap->phy[i])
+			usb_phy_shutdown(omap->phy[i]);
+	}
+
+	usb_put_hcd(hcd);
 	pm_runtime_put_sync(dev);
 	pm_runtime_disable(dev);