1 files changed, 54 insertions, 10 deletions

diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index 8e9d31277c4..a93d950e946 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -24,6 +24,7 @@
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
 #include <linux/usb/chipidea.h>
+#include <linux/regulator/consumer.h>
 
 #include "../host/ehci.h"
 
@@ -33,12 +34,12 @@
 
 static struct hc_driver __read_mostly ci_ehci_hc_driver;
 
-static irqreturn_t host_irq(struct ci13xxx *ci)
+static irqreturn_t host_irq(struct ci_hdrc *ci)
 {
 	return usb_hcd_irq(ci->irq, ci->hcd);
 }
 
-static int host_start(struct ci13xxx *ci)
+static int host_start(struct ci_hdrc *ci)
 {
 	struct usb_hcd *hcd;
 	struct ehci_hcd *ehci;
@@ -63,28 +64,71 @@ static int host_start(struct ci13xxx *ci)
 	ehci = hcd_to_ehci(hcd);
 	ehci->caps = ci->hw_bank.cap;
 	ehci->has_hostpc = ci->hw_bank.lpm;
+	ehci->has_tdi_phy_lpm = ci->hw_bank.lpm;
+	ehci->imx28_write_fix = ci->imx28_write_fix;
+
+	/*
+	 * vbus is always on if host is not in OTG FSM mode,
+	 * otherwise should be controlled by OTG FSM
+	 */
+	if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci)) {
+		ret = regulator_enable(ci->platdata->reg_vbus);
+		if (ret) {
+			dev_err(ci->dev,
+				"Failed to enable vbus regulator, ret=%d\n",
+				ret);
+			goto put_hcd;
+		}
+	}
 
 	ret = usb_add_hcd(hcd, 0, 0);
-	if (ret)
-		usb_put_hcd(hcd);
-	else
+	if (ret) {
+		goto disable_reg;
+	} else {
+		struct usb_otg *otg = ci->transceiver->otg;
+
 		ci->hcd = hcd;
+		if (otg) {
+			otg->host = &hcd->self;
+			hcd->self.otg_port = 1;
+		}
+	}
 
-	if (ci->platdata->flags & CI13XXX_DISABLE_STREAMING)
+	if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
 		hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
 
 	return ret;
+
+disable_reg:
+	if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci))
+		regulator_disable(ci->platdata->reg_vbus);
+
+put_hcd:
+	usb_put_hcd(hcd);
+
+	return ret;
 }
 
-static void host_stop(struct ci13xxx *ci)
+static void host_stop(struct ci_hdrc *ci)
 {
 	struct usb_hcd *hcd = ci->hcd;
 
-	usb_remove_hcd(hcd);
-	usb_put_hcd(hcd);
+	if (hcd) {
+		usb_remove_hcd(hcd);
+		usb_put_hcd(hcd);
+		if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci))
+			regulator_disable(ci->platdata->reg_vbus);
+	}
+}
+
+
+void ci_hdrc_host_destroy(struct ci_hdrc *ci)
+{
+	if (ci->role == CI_ROLE_HOST && ci->hcd)
+		host_stop(ci);
 }
 
-int ci_hdrc_host_init(struct ci13xxx *ci)
+int ci_hdrc_host_init(struct ci_hdrc *ci)
 {
 	struct ci_role_driver *rdrv;