diff options
| author | Stefan Sperling <stsp@cvs.openbsd.org> | 2017-01-29 16:44:12 +0000 |
|---|---|---|
| committer | Stefan Sperling <stsp@cvs.openbsd.org> | 2017-01-29 16:44:12 +0000 |
| commit | 60c82e0d872a60b0774de92638c132d0e557fa7c (patch) | |
| tree | bb3713c8c2f0e5366d1385c87dc317964e4d753d /sys/dev | |
| parent | 49c1bc08d5bc3ed6c4f9eda3711531f078b16ee9 (diff) | |
In dwctwo(4), fix an off-by-one in frame interval calculation.
Fix stolen from Linux commit 9ed04d976146cf10dfa4c71171434af7c0348747
ok visa@
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/dwc2/dwc2_core.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/dev/usb/dwc2/dwc2_core.c b/sys/dev/usb/dwc2/dwc2_core.c index d1912d02791..3071ec35614 100644 --- a/sys/dev/usb/dwc2/dwc2_core.c +++ b/sys/dev/usb/dwc2/dwc2_core.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dwc2_core.c,v 1.6 2015/06/28 11:48:18 jmatthew Exp $ */ +/* $OpenBSD: dwc2_core.c,v 1.7 2017/01/29 16:44:11 stsp Exp $ */ /* $NetBSD: dwc2_core.c,v 1.6 2014/04/03 06:34:58 skrll Exp $ */ /* @@ -1701,10 +1701,10 @@ u32 dwc2_calc_frame_interval(struct dwc2_hsotg *hsotg) if ((hprt0 & HPRT0_SPD_MASK) >> HPRT0_SPD_SHIFT == HPRT0_SPD_HIGH_SPEED) /* High speed case */ - return 125 * clock; + return 125 * clock - 1; else /* FS/LS case */ - return 1000 * clock; + return 1000 * clock - 1; } /** |