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Commit 44c53ef8 authored by Linyu Yuan's avatar Linyu Yuan Committed by Gerrit - the friendly Code Review server
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usb: dwc3: control redriver connect/disconnect 



control redriver when start/stop host or device mode.

Change-Id: Id2e7af96a20b285292d0799b6ed04365611ba709
Signed-off-by: default avatarLinyu Yuan <linyyuan@codeaurora.org>
parent 1362aa14

drivers/usb/dwc3/dwc3-msm.c

+4 −0
Original line number Diff line number Diff line
@@ -4755,6 +4755,7 @@ static int dwc3_otg_start_host(struct dwc3_msm *mdwc, int on) 
		pm_runtime_get_sync(mdwc->dev);

		dbg_event(0xFF, "StrtHost gync",

			atomic_read(&mdwc->dev->power.usage_count));

		redriver_notify_connect(mdwc->ss_redriver_node);

		if (dwc->maximum_speed >= USB_SPEED_SUPER) {

			mdwc->ss_phy->flags |= PHY_HOST_MODE;

			usb_phy_notify_connect(mdwc->ss_phy,
@@ -4851,6 +4852,7 @@ static int dwc3_otg_start_host(struct dwc3_msm *mdwc, int on) 
					USB_SPEED_SUPER);

			mdwc->ss_phy->flags &= ~PHY_HOST_MODE;

		}

		redriver_notify_disconnect(mdwc->ss_redriver_node);



		mdwc->hs_phy->flags &= ~PHY_HOST_MODE;

		dwc3_host_exit(dwc);
@@ -4909,6 +4911,7 @@ static int dwc3_otg_start_peripheral(struct dwc3_msm *mdwc, int on) 
					__func__, dwc->gadget.name);



		dwc3_override_vbus_status(mdwc, true);

		redriver_notify_connect(mdwc->ss_redriver_node);

		usb_phy_notify_connect(mdwc->hs_phy, USB_SPEED_HIGH);

		usb_phy_notify_connect(mdwc->ss_phy, USB_SPEED_SUPER);
@@ -4954,6 +4957,7 @@ static int dwc3_otg_start_peripheral(struct dwc3_msm *mdwc, int on) 
		usb_gadget_vbus_disconnect(&dwc->gadget);

		usb_phy_notify_disconnect(mdwc->hs_phy, USB_SPEED_HIGH);

		usb_phy_notify_disconnect(mdwc->ss_phy, USB_SPEED_SUPER);

		redriver_notify_disconnect(mdwc->ss_redriver_node);

		dwc3_override_vbus_status(mdwc, false);

		dwc3_msm_write_reg_field(mdwc->base, DWC3_GUSB3PIPECTL(0),

				DWC3_GUSB3PIPECTL_SUSPHY, 0);