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| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-05-16 21:33:49 +0200 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2014-05-16 21:33:49 +0200 |
| commit | b3eeb599641a85a06ef039cf495d4ce2b7fac258 (patch) | |
| tree | 37f7f7c17ed8801b5fea6c0c8ebbc3eeb5897683 | |
| parent | eb687adecd365876d6b6918a9ee4f8e8e7f205f6 (diff) | |
| download | plan9front-b3eeb599641a85a06ef039cf495d4ce2b7fac258.tar.xz | |
sdiahci: fix (unused) hba reset function (thanks erik quanstro)
from the specification:
software may reset the entire HBA by setting GHC.HR to '1'.
When software sets the GHC.HR bit to '1', the HBA shall perform
an internal reset action. The bit shall be cleared to '0'
by the HBA when the reset is complete.
| -rw-r--r-- | sys/src/9/pc/sdiahci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/src/9/pc/sdiahci.c b/sys/src/9/pc/sdiahci.c index 2e1d6e0bc..159ee1607 100644 --- a/sys/src/9/pc/sdiahci.c +++ b/sys/src/9/pc/sdiahci.c @@ -723,7 +723,7 @@ ahcihbareset(Ahba *h) h->ghc |= Hhr; for(wait = 0; wait < 1000; wait += 100){ - if(h->ghc == 0) + if((h->ghc & Hhr) == 0) return 0; delay(100); } |