diff options
| author |   John Youn <John.Youn@synopsys.com> | 2016-02-05 17:08:18 -0800 |
|---|---|---|
| committer |   Felipe Balbi <balbi@kernel.org> | 2016-03-04 15:14:26 +0200 |
| commit | c4137a9c841ec7fb300782d211f2d6907f4d6e20 (patch) | |
| tree | 7978df9da2ab879aed2d64f0bcbf503532254849 /drivers/usb/dwc3 | |
| parent | usb: gadget: f_mass_storage: Enable SuperSpeedPlus (diff) | |
| download | linux-dev-c4137a9c841ec7fb300782d211f2d6907f4d6e20.tar.xz linux-dev-c4137a9c841ec7fb300782d211f2d6907f4d6e20.zip | |
usb: dwc3: DWC_usb31 controller check
Add a convenience function to check if the controller is DWC_usb31.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index e4f8b90d9627..c0520d67c2c3 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -1024,6 +1024,12 @@ struct dwc3_gadget_ep_cmd_params { void dwc3_set_mode(struct dwc3 *dwc, u32 mode); int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); +/* check whether we are on the DWC_usb31 core */ +static inline bool dwc3_is_usb31(struct dwc3 *dwc) +{ + return !!(dwc->revision & DWC3_REVISION_IS_DWC31); +} + #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) int dwc3_host_init(struct dwc3 *dwc); void dwc3_host_exit(struct dwc3 *dwc); |