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authorChristoph Hellwig <hch@lst.de>2007-05-15 23:10:34 +1000
committerPaul Mackerras <paulus@samba.org>2007-05-17 21:11:13 +1000
commit39d207036c76ff16650772b83fb1a12ab788ca26 (patch)
tree4c9c5207b53b634fc14cf854cc6e069850bf2ddb /arch
parent9d561ed46ea33c223def2eb8e2b09ea108a4d70b (diff)
[POWERPC] viopath: Use a completion in some more places
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/platforms/iseries/viopath.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/iseries/viopath.c b/arch/powerpc/platforms/iseries/viopath.c
index 7f58e5929a2..6a0060a5f2e 100644
--- a/arch/powerpc/platforms/iseries/viopath.c
+++ b/arch/powerpc/platforms/iseries/viopath.c
@@ -82,7 +82,7 @@ static void handleMonitorEvent(struct HvLpEvent *event);
* if system_state is not SYSTEM_RUNNING, then wait_atomic is used ...
*/
struct alloc_parms {
- struct semaphore sem;
+ struct completion done;
int number;
atomic_t wait_atomic;
int used_wait_atomic;
@@ -465,7 +465,7 @@ static void viopath_donealloc(void *parm, int number)
if (parmsp->used_wait_atomic)
atomic_set(&parmsp->wait_atomic, 0);
else
- up(&parmsp->sem);
+ complete(&parmsp->done);
}
static int allocateEvents(HvLpIndex remoteLp, int numEvents)
@@ -477,7 +477,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents)
atomic_set(&parms.wait_atomic, 1);
} else {
parms.used_wait_atomic = 0;
- init_MUTEX_LOCKED(&parms.sem);
+ init_completion(&parms.done);
}
mf_allocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo, 250, /* It would be nice to put a real number here! */
numEvents, &viopath_donealloc, &parms);
@@ -485,7 +485,7 @@ static int allocateEvents(HvLpIndex remoteLp, int numEvents)
while (atomic_read(&parms.wait_atomic))
mb();
} else
- down(&parms.sem);
+ wait_for_completion(&parms.done);
return parms.number;
}
@@ -586,10 +586,10 @@ int viopath_close(HvLpIndex remoteLp, int subtype, int numReq)
spin_unlock_irqrestore(&statuslock, flags);
parms.used_wait_atomic = 0;
- init_MUTEX_LOCKED(&parms.sem);
+ init_completion(&parms.done);
mf_deallocate_lp_events(remoteLp, HvLpEvent_Type_VirtualIo,
numReq, &viopath_donealloc, &parms);
- down(&parms.sem);
+ wait_for_completion(&parms.done);
spin_lock_irqsave(&statuslock, flags);
for (i = 0, numOpen = 0; i < VIO_MAX_SUBTYPES; i++)