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28 lines
978 B
28 lines
978 B
From c4137a9c841ec7fb300782d211f2d6907f4d6e20 Mon Sep 17 00:00:00 2001
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From: John Youn <John.Youn@synopsys.com>
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Date: Fri, 5 Feb 2016 17:08:18 -0800
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Subject: usb: dwc3: DWC_usb31 controller check
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Add a convenience function to check if the controller is DWC_usb31.
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Signed-off-by: John Youn <johnyoun@synopsys.com>
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Signed-off-by: Felipe Balbi <balbi@kernel.org>
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---
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drivers/usb/dwc3/core.h | 6 ++++++
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1 file changed, 6 insertions(+)
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--- a/drivers/usb/dwc3/core.h
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+++ b/drivers/usb/dwc3/core.h
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@@ -1021,6 +1021,12 @@ struct dwc3_gadget_ep_cmd_params {
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void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
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int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc);
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+/* check whether we are on the DWC_usb31 core */
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+static inline bool dwc3_is_usb31(struct dwc3 *dwc)
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+{
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+ return !!(dwc->revision & DWC3_REVISION_IS_DWC31);
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+}
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+
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#if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
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int dwc3_host_init(struct dwc3 *dwc);
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void dwc3_host_exit(struct dwc3 *dwc);
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