diff options
| author | Mian Yousaf Kaukab <yousaf.kaukab@intel.com> | 2015-09-29 13:08:18 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-10-01 20:40:23 +0300 |
| commit | 857512d0ebf838d8a2b600234debdbfc1e97f919 (patch) | |
| tree | 164be079bf290204f0ec501cc071457f83d6b432 /drivers/usb/dwc2/platform.c | |
| parent | fa50bff63689849175d65f4923691944556fbacc (diff) | |
| download | linux-857512d0ebf838d8a2b600234debdbfc1e97f919.tar.xz | |
usb: dwc2: force dr_mode in case of configuration mismatch
If dual role configuration is not selected, check and force dr_mode
based on the selected configuration.
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>
Diffstat (limited to 'drivers/usb/dwc2/platform.c')
| -rw-r--r-- | drivers/usb/dwc2/platform.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index 28abd1f90900..a013ea9f2c9c 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -221,6 +221,17 @@ static int dwc2_driver_probe(struct platform_device *dev) (unsigned long)res->start, hsotg->regs); hsotg->dr_mode = usb_get_dr_mode(&dev->dev); + if (IS_ENABLED(CONFIG_USB_DWC2_HOST) && + hsotg->dr_mode != USB_DR_MODE_HOST) { + hsotg->dr_mode = USB_DR_MODE_HOST; + dev_warn(hsotg->dev, + "Configuration mismatch. Forcing host mode\n"); + } else if (IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) && + hsotg->dr_mode != USB_DR_MODE_PERIPHERAL) { + hsotg->dr_mode = USB_DR_MODE_PERIPHERAL; + dev_warn(hsotg->dev, + "Configuration mismatch. Forcing peripheral mode\n"); + } /* * Attempt to find a generic PHY, then look for an old style |