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[POWERPC] viopath: Use a completion in some more places

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Christoph Hellwig 2007-05-15 23:10:34 +10:00 committed by Paul Mackerras
parent 9d561ed46e
commit 39d207036c
1 changed files with 6 additions and 6 deletions
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12
arch/powerpc/platforms/iseries/viopath.c
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@ -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++)