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Diffstat (limited to 'drivers/usb/host/uhci-hcd.h')
-rw-r--r-- | drivers/usb/host/uhci-hcd.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/host/uhci-hcd.h b/drivers/usb/host/uhci-hcd.h index 04938e64799f..c87ceaa178b6 100644 --- a/drivers/usb/host/uhci-hcd.h +++ b/drivers/usb/host/uhci-hcd.h @@ -448,6 +448,9 @@ static inline struct usb_hcd *uhci_to_hcd(struct uhci_hcd *uhci) #define uhci_dev(u) (uhci_to_hcd(u)->self.controller) +/* Utility macro for comparing frame numbers */ +#define uhci_frame_before_eq(f1, f2) (0 <= (int) ((f2) - (f1))) + /* * Private per-URB data |