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IB/mthca: Semaphore to mutex conversions

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Convert semaphores to mutexes in mthca.  Leave firmware command
interface poll_sem and event_sem as semaphores.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier
2006-01-30 16:45:11 -08:00
parent e3aa31c517
commit fd9cfdd11b
6 changed files with 37 additions and 36 deletions
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10
drivers/infiniband/hw/mthca/mthca_mcg.c
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@@ -154,7 +154,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
return PTR_ERR(mailbox);
mgm = mailbox->buf;
down(&dev->mcg_table.sem);
mutex_lock(&dev->mcg_table.mutex);
err = find_mgm(dev, gid->raw, mailbox, &hash, &prev, &index);
if (err)
@@ -238,7 +238,7 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
BUG_ON(index < dev->limits.num_mgms);
mthca_free(&dev->mcg_table.alloc, index);
}
up(&dev->mcg_table.sem);
mutex_unlock(&dev->mcg_table.mutex);
mthca_free_mailbox(dev, mailbox);
return err;
@@ -260,7 +260,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
return PTR_ERR(mailbox);
mgm = mailbox->buf;
down(&dev->mcg_table.sem);
mutex_lock(&dev->mcg_table.mutex);
err = find_mgm(dev, gid->raw, mailbox, &hash, &prev, &index);
if (err)
@@ -365,7 +365,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
}
out:
up(&dev->mcg_table.sem);
mutex_unlock(&dev->mcg_table.mutex);
mthca_free_mailbox(dev, mailbox);
return err;
@@ -383,7 +383,7 @@ int __devinit mthca_init_mcg_table(struct mthca_dev *dev)
if (err)
return err;
init_MUTEX(&dev->mcg_table.sem);
mutex_init(&dev->mcg_table.mutex);
return 0;
}