diff options
| author | Venkat Moganty <vmoganty@nvidia.com> | 2010-07-22 16:32:26 +0530 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-07-22 11:06:18 -0700 |
| commit | 3fc337ed7b28466d3446bb183626581f33dfdc7c (patch) | |
| tree | 32aeed218acfee9c6562d40166a2e7955123daca | |
| parent | f0876215f4c57dbcdbfab58bc0b3c844224e0d7c (diff) | |
[tegra-udc] Fix LP0 resume hang in USB OTG-device
Setting OTG state to device mode on resume from LP0 if VBUS is detected during
LP0 resume.
Change-Id: Ib029e6ea5b1d3e4b5c4b5c913c71e2789106a426
Reviewed-on: http://git-master/r/4247
Reviewed-by: Narendra Damahe <ndamahe@nvidia.com>
Tested-by: Narendra Damahe <ndamahe@nvidia.com>
Reviewed-by: Gary King <gking@nvidia.com>
| -rw-r--r-- | drivers/usb/gadget/fsl_udc_core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 604998f60384..d5bd426dfb5e 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -2970,6 +2970,9 @@ static int fsl_udc_resume(struct platform_device *pdev) /* if there is no VBUS then power down the clocks and return */ platform_udc_clk_suspend(); return 0; + } else { + /* Detected VBUS set the transceiver state to device mode */ + udc_controller->transceiver->state = OTG_STATE_B_PERIPHERAL; } } else { /* enable the clocks to the controller */ |