diff options
| author | Felipe Balbi <balbi@ti.com> | 2013-12-19 16:37:05 -0600 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-03-05 14:40:03 -0600 |
| commit | 356363bf6b2fc4785d874ef87ed2fad4b8543490 (patch) | |
| tree | bf707a88b74dd0eb6662ac008bea2d14598b0799 /drivers/usb/dwc3 | |
| parent | 7b2a0368bbc9bc4a7936d8587eaff4b8c35b2247 (diff) | |
| download | linux-356363bf6b2fc4785d874ef87ed2fad4b8543490.tar.gz linux-356363bf6b2fc4785d874ef87ed2fad4b8543490.tar.bz2 linux-356363bf6b2fc4785d874ef87ed2fad4b8543490.zip | |
usb: dwc3: gadget: make sure HIRD threshold is 0 in superspeed
During superspeed, HIRD threshold should always
be zero. Curent driver wasn't making sure that
was the case.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 3934d0afc185..df9749eac6ac 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2289,6 +2289,10 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) reg |= DWC3_DCTL_HIRD_THRES(12); dwc3_writel(dwc->regs, DWC3_DCTL, reg); + } else { + reg = dwc3_readl(dwc->regs, DWC3_DCTL); + reg &= ~DWC3_DCTL_HIRD_THRES_MASK; + dwc3_writel(dwc->regs, DWC3_DCTL, reg); } dep = dwc->eps[0]; |