isapnp driver semaphore to mutex

Index: linux-2.6.23/drivers/pnp/interface.c
===================================================================
@@ -13,6 +13,7 @@
 #include <linux/stat.h>
 #include <linux/ctype.h>
 #include <linux/slab.h>
+#include <linux/mutex.h>
 #include <asm/uaccess.h>
 
 #include "base.h"

@@ -315,7 +316,7 @@ static ssize_t pnp_show_current_resource
 	return ret;
 }
 
-extern struct semaphore pnp_res_mutex;
+extern struct mutex pnp_res_mutex;
 
 static ssize_t
 pnp_set_current_resources(struct device *dmdev, struct device_attribute *attr,

@@ -361,10 +362,10 @@ pnp_set_current_resources(struct device 
 		goto done;
 	}
 	if (!strnicmp(buf, "get", 3)) {
-		down(&pnp_res_mutex);
+		mutex_lock(&pnp_res_mutex);
 		if (pnp_can_read(dev))
 			dev->protocol->get(dev, &dev->res);
-		up(&pnp_res_mutex);
+		mutex_unlock(&pnp_res_mutex);
 		goto done;
 	}
 	if (!strnicmp(buf, "set", 3)) {

@@ -373,7 +374,7 @@ pnp_set_current_resources(struct device 
 			goto done;
 		buf += 3;
 		pnp_init_resource_table(&dev->res);
-		down(&pnp_res_mutex);
+		mutex_lock(&pnp_res_mutex);
 		while (1) {
 			while (isspace(*buf))
 				++buf;

@@ -455,7 +456,7 @@ pnp_set_current_resources(struct device 
 			}
 			break;
 		}
-		up(&pnp_res_mutex);
+		mutex_unlock(&pnp_res_mutex);
 		goto done;
 	}
 

Index: linux-2.6.23/drivers/pnp/manager.c
===================================================================
@@ -12,9 +12,10 @@
 #include <linux/pnp.h>
 #include <linux/slab.h>
 #include <linux/bitmap.h>
+#include <linux/mutex.h>
 #include "base.h"
 
-DECLARE_MUTEX(pnp_res_mutex);
+DEFINE_MUTEX(pnp_res_mutex);
 
 static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx)
 {

@@ -297,7 +298,7 @@ static int pnp_assign_resources(struct p
 	if (!pnp_can_configure(dev))
 		return -ENODEV;
 
-	down(&pnp_res_mutex);
+	mutex_lock(&pnp_res_mutex);
 	pnp_clean_resource_table(&dev->res);	/* start with a fresh slate */
 	if (dev->independent) {
 		port = dev->independent->port;

@@ -366,12 +367,12 @@ static int pnp_assign_resources(struct p
 	} else if (dev->dependent)
 		goto fail;
 
-	up(&pnp_res_mutex);
+	mutex_unlock(&pnp_res_mutex);
 	return 1;
 
 fail:
 	pnp_clean_resource_table(&dev->res);
-	up(&pnp_res_mutex);
+	mutex_unlock(&pnp_res_mutex);
 	return 0;
 }
 

@@ -396,7 +397,7 @@ int pnp_manual_config_dev(struct pnp_dev
 		return -ENOMEM;
 	*bak = dev->res;
 
-	down(&pnp_res_mutex);
+	mutex_lock(&pnp_res_mutex);
 	dev->res = *res;
 	if (!(mode & PNP_CONFIG_FORCE)) {
 		for (i = 0; i < PNP_MAX_PORT; i++) {

@@ -416,14 +417,14 @@ int pnp_manual_config_dev(struct pnp_dev
 				goto fail;
 		}
 	}
-	up(&pnp_res_mutex);
+	mutex_unlock(&pnp_res_mutex);
 
 	kfree(bak);
 	return 0;
 
 fail:
 	dev->res = *bak;
-	up(&pnp_res_mutex);
+	mutex_unlock(&pnp_res_mutex);
 	kfree(bak);
 	return -EINVAL;
 }

@@ -547,9 +548,9 @@ int pnp_disable_dev(struct pnp_dev *dev)
 	dev->active = 0;
 
 	/* release the resources so that other devices can use them */
-	down(&pnp_res_mutex);
+	mutex_lock(&pnp_res_mutex);
 	pnp_clean_resource_table(&dev->res);
-	up(&pnp_res_mutex);
+	mutex_unlock(&pnp_res_mutex);
 
 	return 1;
 }