drivers/pcmcia/soc_common.c: convert soc_pcmcia_sockets_lock into a mutex and make...

[linux-2.6-omap-h63xx.git] / drivers / pcmcia / soc_common.c

diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index aa7779d89752681a05e5d10d0aa76c19ff08a648..78356481be93348b7cbb763ac65dd04ab850c301 100644 (file)
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -37,6 +37,7 @@
 #include <linux/kernel.h>
 #include <linux/timer.h>
 #include <linux/mm.h>
+#include <linux/mutex.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/spinlock.h>
@@ -578,7 +579,7 @@ EXPORT_SYMBOL(soc_pcmcia_enable_irqs);
 
 
 LIST_HEAD(soc_pcmcia_sockets);
-DECLARE_MUTEX(soc_pcmcia_sockets_lock);
+static DEFINE_MUTEX(soc_pcmcia_sockets_lock);
 
 static const char *skt_names[] = {
        "PCMCIA socket 0",
@@ -601,11 +602,11 @@ 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 +643,7 @@ 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 +783,7 @@ 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 +794,7 @@ 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 +819,7 @@ 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);