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usb: dwc2: host: update hcd and lx_state during start/stop callbacks 

During hcd initialization, hardware accessible flag and lx_state must
be reset to the working state since controller is powered at this stage.

Same logic applied for stop callback.

Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Gregory Herrero 2015-09-22 15:16:41 +02:00 committed by Felipe Balbi
parent a2a23d3f9e
commit 31927b6b68
1 changed files with 5 additions and 1 deletions
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6
drivers/usb/dwc2/hcd.c
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@ -2318,8 +2318,9 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd)
dev_dbg(hsotg->dev, "DWC OTG HCD START\n");
spin_lock_irqsave(&hsotg->lock, flags);
hsotg->lx_state = DWC2_L0;
hcd->state = HC_STATE_RUNNING;
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
if (dwc2_is_device_mode(hsotg)) {
spin_unlock_irqrestore(&hsotg->lock, flags);
@ -2350,6 +2351,9 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
spin_lock_irqsave(&hsotg->lock, flags);
dwc2_hcd_stop(hsotg);
hsotg->lx_state = DWC2_L3;
hcd->state = HC_STATE_HALT;
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&hsotg->lock, flags);
usleep_range(1000, 3000);