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| author | n_hibma <n_hibma@FreeBSD.org> | 1999-02-15 21:41:43 +0000 |
|---|---|---|
| committer | n_hibma <n_hibma@FreeBSD.org> | 1999-02-15 21:41:43 +0000 |
| commit | 40ead2b843c4d46a6088c16b62c9f07c3563fab9 (patch) | |
| tree | 041b9974f70571bf974c556e97675007378d45bd /sys/dev | |
| parent | e77ebf71dd4a44165919bf075c7e103f531f2fc9 (diff) | |
| download | FreeBSD-src-40ead2b843c4d46a6088c16b62c9f07c3563fab9.zip FreeBSD-src-40ead2b843c4d46a6088c16b62c9f07c3563fab9.tar.gz | |
Applied patch from MAEKAWA Masahide <bishop@rr.iij4u.or.jp>. (PR2)
Seems to solve a problem with a mouse not responding to movements in the
X direction. Problem description is still rather vague and solution is
not exactly clear. Problem might be a compiler optimisation.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/usb/ums.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/dev/usb/ums.c b/sys/dev/usb/ums.c index b686f9f..66e7e58 100644 --- a/sys/dev/usb/ums.c +++ b/sys/dev/usb/ums.c @@ -394,10 +394,12 @@ ums_detach(device_t self) /* someone waiting for data */ if (sc->state & UMS_ASLEEP) { DPRINTF(("Waking up %p\n", sc)); + sc->state &= ~UMS_ASLEEP; /* PR2 */ wakeup(sc); } if (sc->state & UMS_SELECT) { DPRINTF(("Waking up select %p\n", &sc->rsel)); + sc->state &= ~UMS_SELECT; /* PR2 */ selwakeup(&sc->rsel); } @@ -513,10 +515,12 @@ ums_intr(reqh, addr, status) /* someone waiting for data */ if (sc->state & UMS_ASLEEP) { DPRINTF(("Waking up %p\n", sc)); + sc->state &= ~UMS_ASLEEP; /* PR2 */ wakeup(sc); } if (sc->state & UMS_SELECT) { DPRINTF(("Waking up select %p\n", &sc->rsel)); + sc->state &= ~UMS_SELECT; /* PR2 */ selwakeup(&sc->rsel); } #endif @@ -636,7 +640,9 @@ ums_read(dev_t dev, struct uio *uio, int flag) */ sc->state |= UMS_ASLEEP; error = tsleep(sc, PZERO | PCATCH, "umsrea", 0); + /* PR2: statement moved to ums_poll/ums_detach sc->state &= ~UMS_ASLEEP; + */ if (error) { splx(s); return error; @@ -683,7 +689,9 @@ ums_poll(dev_t dev, int events, struct proc *p) } else { sc->state |= UMS_SELECT; selrecord(p, &sc->rsel); + /* PR2: statement moved to ums_poll/ums_detach sc->state &= ~UMS_SELECT; + */ } } splx(s); |
