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Subject[PATCH -next] usb: host: ehci-sched: Remove ununsed function tt_start_uframe()
Date
commit b35c5009bbf6 ("USB: EHCI: create per-TT bandwidth tables")
left behind this, remove it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/usb/host/ehci-sched.c | 20 --------------------
1 file changed, 20 deletions(-)

diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 847979f265b1..6dfb242f9a4b 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -307,26 +307,6 @@ static int __maybe_unused same_tt(struct usb_device *dev1,

#ifdef CONFIG_USB_EHCI_TT_NEWSCHED

-/* Which uframe does the low/fullspeed transfer start in?
- *
- * The parameter is the mask of ssplits in "H-frame" terms
- * and this returns the transfer start uframe in "B-frame" terms,
- * which allows both to match, e.g. a ssplit in "H-frame" uframe 0
- * will cause a transfer in "B-frame" uframe 0. "B-frames" lag
- * "H-frames" by 1 uframe. See the EHCI spec sec 4.5 and figure 4.7.
- */
-static inline unsigned char tt_start_uframe(struct ehci_hcd *ehci, __hc32 mask)
-{
- unsigned char smask = hc32_to_cpu(ehci, mask) & QH_SMASK;
-
- if (!smask) {
- ehci_err(ehci, "invalid empty smask!\n");
- /* uframe 7 can't have bw so this will indicate failure */
- return 7;
- }
- return ffs(smask) - 1;
-}
-
static const unsigned char
max_tt_usecs[] = { 125, 125, 125, 125, 125, 125, 30, 0 };

--
2.17.1

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