diff options
author | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-10-08 07:10:59 +0200 |
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committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2018-10-08 07:10:59 +0200 |
commit | 679a253931804caf4de436c5cdab8d34f178d779 (patch) | |
tree | 96ff1affe3ee11be68c28d68413af62dc86e8510 | |
parent | 2fecc5789efc1cf1f0343890a363adc7ccaaeda5 (diff) |
usbxhci: only clear RW1C bits when set.
-rw-r--r-- | sys/src/9/pc/usbxhci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/9/pc/usbxhci.c b/sys/src/9/pc/usbxhci.c index e03f27418..653fdb0ca 100644 --- a/sys/src/9/pc/usbxhci.c +++ b/sys/src/9/pc/usbxhci.c @@ -399,7 +399,7 @@ handoff(Ctlr *ctlr) tsleep(&up->sleep, return0, nil, 10); } /* disable SMI interrupts */ - r[1] = (r[1] & (7<<1 | 255<<5 | 7<<17)) | 7<<29; + r[1] &= 7<<1 | 255<<5 | 7<<17 | 7<<29; /* clear BIOS ownership in case of timeout */ r[0] &= ~(1<<16); |