[PATCH] Prism54: Convert mgmt_sem to the mutex API

[Matthias Kaehlcke <matthias.kaehlcke@gmail.com>]

Prism54: Convert mgmt_sem to the mutex API

Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>

--

diff --git a/drivers/net/wireless/prism54/islpci_dev.c b/drivers/net/wireless/prism54/islpci_dev.c
index 219dd65..dbb538c 100644
--- a/drivers/net/wireless/prism54/islpci_dev.c
+++ b/drivers/net/wireless/prism54/islpci_dev.c
@@ -861,7 +861,7 @@ islpci_setup(struct pci_dev *pdev)
 	init_waitqueue_head(&priv->reset_done);
 
 	/* init the queue read locks, process wait counter */
-	sema_init(&priv->mgmt_sem, 1);
+	mutex_init(&priv->mgmt_lock);
 	priv->mgmt_received = NULL;
 	init_waitqueue_head(&priv->mgmt_wqueue);
 	sema_init(&priv->stats_sem, 1);
diff --git a/drivers/net/wireless/prism54/islpci_dev.h b/drivers/net/wireless/prism54/islpci_dev.h
index 736666d..4e0182c 100644
--- a/drivers/net/wireless/prism54/islpci_dev.h
+++ b/drivers/net/wireless/prism54/islpci_dev.h
@@ -26,6 +26,7 @@
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
 #include <linux/list.h>
+#include <linux/mutex.h>
 
 #include "isl_38xx.h"
 #include "isl_oid.h"
@@ -164,7 +165,7 @@ typedef struct {
 	wait_queue_head_t reset_done;
 
 	/* used by islpci_mgt_transaction */
-	struct semaphore mgmt_sem; /* serialize access to mailbox and wqueue */
+	struct mutex mgmt_lock; /* serialize access to mailbox and wqueue */
 	struct islpci_mgmtframe *mgmt_received;	  /* mbox for incoming frame */
 	wait_queue_head_t mgmt_wqueue;            /* waitqueue for mbox */
 
-- 
Matthias Kaehlcke
Linux Application Developer
Barcelona

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