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UPSTREAM: usb: dwc3: DWC_usb31 controller check

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Add a convenience function to check if the controller is DWC_usb31.

Change-Id: I2018d882b389a8499d4c88171650ac22059139be
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit c4137a9c84)
This commit is contained in:
John Youn
2016-02-05 17:08:18 -08:00
committed by Huang, Tao
parent 87dd528342
commit 46ba6580a0
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/dwc3/core.h
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@@ -1025,6 +1025,12 @@ 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);