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-rw-r--r--include/linux/usb/hcd.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index bab27ccc8ff5..a20e7815d814 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -422,6 +422,9 @@ static inline bool hcd_periodic_completion_in_progress(struct usb_hcd *hcd,
return hcd->high_prio_bh.completing_ep == ep;
}
+#define hcd_uses_dma(hcd) \
+ (IS_ENABLED(CONFIG_HAS_DMA) && (hcd)->self.uses_dma)
+
extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
extern int usb_hcd_check_unlink_urb(struct usb_hcd *hcd, struct urb *urb,
int status);