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usb: dwc3: DWC_usb31 controller check

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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>
Change-Id: I2f9080a4a54269790e3594d0e61a76bd37d8b2c9
Git-commit: c4137a9c841ec7fb300782d211f2d6907f4d6e20
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
This commit is contained in:
John Youn 2016-02-05 17:08:18 -08:00 • committed by Mayank Rana
parent e63417d73c
commit fc1a0913c1
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/dwc3/core.h
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@ -1175,6 +1175,12 @@ 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);