diff options
| author | Robert Baldyga <r.baldyga@samsung.com> | 2015-02-23 15:58:30 +0100 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:42:15 +0900 |
| commit | 148de8edec895faa358dbab18c5c74208cd7512a (patch) | |
| tree | 3c085478fb906cd14840c0cb957e7b6ef154d820 /drivers/usb | |
| parent | 2d2f29b2686fd819584b6bc9ac6d6530dd6b7c2d (diff) | |
LOCAL / dwc3: core: fix SUSPHY problem
This is needed for OTG mode. Without this change endpoint enabling in
gadget mode fails after role switching.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 5995dcabcefc..c6ee9cba6ab3 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -113,6 +113,14 @@ static int dwc3_core_soft_reset(struct dwc3 *dwc) reg &= ~DWC3_GCTL_CORESOFTRESET; dwc3_writel(dwc->regs, DWC3_GCTL, reg); + reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0)); + reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); + + reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0)); + reg &= ~DWC3_GUSB3PIPECTL_SUSPHY; + dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg); + return 0; } |