Merge tag 'v3.16-rc1' into x86/cpufeature

Linux 3.16-rc1

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 16 insertions, 5 deletions

diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c
index a8ac6c16dac9..a93d950e9468 100644
--- a/drivers/usb/chipidea/host.c
+++ b/drivers/usb/chipidea/host.c
@@ -67,7 +67,11 @@ static int host_start(struct ci_hdrc *ci)
 	ehci->has_tdi_phy_lpm = ci->hw_bank.lpm;
 	ehci->imx28_write_fix = ci->imx28_write_fix;
 
-	if (ci->platdata->reg_vbus) {
+	/*
+	 * 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,
@@ -78,10 +82,17 @@ static int host_start(struct ci_hdrc *ci)
 	}
 
 	ret = usb_add_hcd(hcd, 0, 0);
-	if (ret)
+	if (ret) {
 		goto disable_reg;
-	else
+	} 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 & CI_HDRC_DISABLE_STREAMING)
 		hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);
@@ -89,7 +100,7 @@ static int host_start(struct ci_hdrc *ci)
 	return ret;
 
 disable_reg:
-	if (ci->platdata->reg_vbus)
+	if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci))
 		regulator_disable(ci->platdata->reg_vbus);
 
 put_hcd:
@@ -105,7 +116,7 @@ static void host_stop(struct ci_hdrc *ci)
 	if (hcd) {
 		usb_remove_hcd(hcd);
 		usb_put_hcd(hcd);
-		if (ci->platdata->reg_vbus)
+		if (ci->platdata->reg_vbus && !ci_otg_is_fsm_mode(ci))
 			regulator_disable(ci->platdata->reg_vbus);
 	}
 }