From: Gregory Herrero <gregory.herr...@intel.com>
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.herr...@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kau...@intel.com>
Tested-by: Robert Baldyga <r.bald...@samsung.com>
---
drivers/usb/dwc2/hcd.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index f775529..e1cf9c0 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2308,8 +2308,9 @@ 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);
@@ -2340,6 +2341,9 @@ 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);
--
2.3.3
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