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 ecaa132fa5924aefd4ef7b0e8d4dc2ee5bc6c0b7..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>
@@ -256,7 +257,7 @@ static void soc_common_pcmcia_poll_event(unsigned long dummy)
  * handling code performs scheduling operations which cannot be
  * executed from within an interrupt context.
  */
-static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t soc_common_pcmcia_interrupt(int irq, void *dev)
 {
        struct soc_pcmcia_socket *skt = dev;
 
@@ -478,10 +479,10 @@ dump_bits(char **p, const char *prefix, unsigned int val, struct bittbl *bits, i
  *
  * Returns: the number of characters added to the buffer
  */
-static ssize_t show_status(struct class_device *class_dev, char *buf)
+static ssize_t show_status(struct device *dev, struct device_attribute *attr, char *buf)
 {
        struct soc_pcmcia_socket *skt =
-               container_of(class_dev, struct soc_pcmcia_socket, socket.dev);
+               container_of(dev, struct soc_pcmcia_socket, socket.dev);
        char *p = buf;
 
        p+=sprintf(p, "slot     : %d\n", skt->nr);
@@ -501,7 +502,7 @@ static ssize_t show_status(struct class_device *class_dev, char *buf)
 
        return p-buf;
 }
-static CLASS_DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
+static DEVICE_ATTR(status, S_IRUGO, show_status, NULL);
 
 
 static struct pccard_operations soc_common_pcmcia_operations = {
@@ -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) {
@@ -660,7 +661,7 @@ int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops
 
                skt->socket.ops = &soc_common_pcmcia_operations;
                skt->socket.owner = ops->owner;
-               skt->socket.dev.dev = dev;
+               skt->socket.dev.parent = dev;
 
                init_timer(&skt->poll_timer);
                skt->poll_timer.function = soc_common_pcmcia_poll_event;
@@ -747,7 +748,7 @@ int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops
 
                add_timer(&skt->poll_timer);
 
-               class_device_create_file(&skt->socket.dev, &class_device_attr_status);
+               device_create_file(&skt->socket.dev, &dev_attr_status);
        }
 
        dev_set_drvdata(dev, 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];
 
@@ -818,9 +819,10 @@ 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);
 
        return 0;
 }
+EXPORT_SYMBOL(soc_common_drv_pcmcia_remove);