drivers/pcmcia/soc_common.c: the semaphore soc_pcmcia_sockets_lock is
used as a mutex, convert it to the mutex API

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

--

diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index aa7779d..3490431 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -578,7 +578,7 @@ EXPORT_SYMBOL(soc_pcmcia_enable_irqs);
 
 
 LIST_HEAD(soc_pcmcia_sockets);
-DECLARE_MUTEX(soc_pcmcia_sockets_lock);
+DEFINE_MUTEX(soc_pcmcia_sockets_lock);
 
 static const char *skt_names[] = {
 	"PCMCIA socket 0",
@@ -601,11 +601,11 @@ soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data)
 	struct cpufreq_freqs *freqs = data;
 	int ret = 0;
 
-	down(&soc_pcmcia_sockets_lock);
+	mutex_lock(&soc_pcmcia_sockets_lock);
 	list_for_each_entry(skt, &soc_pcmcia_sockets, node)
 		if ( skt->ops->frequency_change )
 			ret += skt->ops->frequency_change(skt, val, freqs);
-	up(&soc_pcmcia_sockets_lock);
+	mutex_unlock(&soc_pcmcia_sockets_lock);
 
 	return ret;
 }
@@ -642,7 +642,7 @@ int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops
 	struct soc_pcmcia_socket *skt;
 	int ret, i;
 
-	down(&soc_pcmcia_sockets_lock);
+	mutex_lock(&soc_pcmcia_sockets_lock);
 
 	sinfo = kzalloc(SKT_DEV_INFO_SIZE(nr), GFP_KERNEL);
 	if (!sinfo) {
@@ -782,7 +782,7 @@ int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops
 	kfree(sinfo);
 
  out:
-	up(&soc_pcmcia_sockets_lock);
+	mutex_unlock(&soc_pcmcia_sockets_lock);
 	return ret;
 }
 
@@ -793,7 +793,7 @@ int soc_common_drv_pcmcia_remove(struct device *dev)
 
 	dev_set_drvdata(dev, NULL);
 
-	down(&soc_pcmcia_sockets_lock);
+	mutex_lock(&soc_pcmcia_sockets_lock);
 	for (i = 0; i < sinfo->nskt; i++) {
 		struct soc_pcmcia_socket *skt = &sinfo->skt[i];
 
@@ -818,7 +818,7 @@ int soc_common_drv_pcmcia_remove(struct device *dev)
 	if (list_empty(&soc_pcmcia_sockets))
 		soc_pcmcia_cpufreq_unregister();
 
-	up(&soc_pcmcia_sockets_lock);
+	mutex_unlock(&soc_pcmcia_sockets_lock);
 
 	kfree(sinfo);
 
diff --git a/drivers/pcmcia/soc_common.h b/drivers/pcmcia/soc_common.h
index 6f14126..a553df5 100644
--- a/drivers/pcmcia/soc_common.h
+++ b/drivers/pcmcia/soc_common.h
@@ -11,6 +11,7 @@
 
 /* include the world */
 #include <linux/cpufreq.h>
+#include <linux/mutex.h>
 #include <pcmcia/cs_types.h>
 #include <pcmcia/cs.h>
 #include <pcmcia/ss.h>
@@ -133,7 +134,7 @@ extern void soc_common_pcmcia_get_timing(struct soc_pcmcia_socket *, struct soc_
 
 
 extern struct list_head soc_pcmcia_sockets;
-extern struct semaphore soc_pcmcia_sockets_lock;
+extern struct mutex soc_pcmcia_sockets_lock;
 
 extern int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr);
 extern int soc_common_drv_pcmcia_remove(struct device *dev);

-- 
Matthias Kaehlcke
Linux System Developer
Barcelona

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