From: Gregory Herrero Date: Wed, 29 Apr 2015 20:09:13 +0000 (+0200) Subject: usb: dwc2: host: add bus_suspend/bus_resume callback X-Git-Tag: v4.2-rc1~86^2~16^2~72 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=99a657983a1e03fd3b8495199bb0a4870c1abda4;p=platform%2Fkernel%2Flinux-exynos.git usb: dwc2: host: add bus_suspend/bus_resume callback Update controller state to indicate suspend entry. Acked-by: John Youn Signed-off-by: Gregory Herrero Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 1875f7a..780f298 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -2313,6 +2313,22 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd) usleep_range(1000, 3000); } +static int _dwc2_hcd_suspend(struct usb_hcd *hcd) +{ + struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd); + + hsotg->lx_state = DWC2_L2; + return 0; +} + +static int _dwc2_hcd_resume(struct usb_hcd *hcd) +{ + struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd); + + hsotg->lx_state = DWC2_L0; + return 0; +} + /* Returns the current frame number */ static int _dwc2_hcd_get_frame_number(struct usb_hcd *hcd) { @@ -2683,6 +2699,9 @@ static struct hc_driver dwc2_hc_driver = { .hub_status_data = _dwc2_hcd_hub_status_data, .hub_control = _dwc2_hcd_hub_control, .clear_tt_buffer_complete = _dwc2_hcd_clear_tt_buffer_complete, + + .bus_suspend = _dwc2_hcd_suspend, + .bus_resume = _dwc2_hcd_resume, }; /*