Merge branch 'powerpc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'powerpc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [POWERPC] Assign PDE->data before gluing PDE into /proc tree
  [POWERPC] devres: Add devm_ioremap_prot()
  [POWERPC] macintosh: ADB driver: adb_handler_sem semaphore to mutex
  [POWERPC] macintosh: windfarm_smu_sat: semaphore to mutex
  [POWERPC] macintosh: therm_pm72: driver_lock semaphore to mutex

3 files changed, 36 insertions, 35 deletions

diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 20978205cd02..b8b9e44f7f4e 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -37,7 +37,7 @@
 #include <linux/device.h>
 #include <linux/kthread.h>
 #include <linux/platform_device.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
 
 #include <asm/uaccess.h>
 #ifdef CONFIG_PPC
@@ -102,7 +102,7 @@ static struct adb_handler {
 } adb_handler[16];
 
 /*
- * The adb_handler_sem mutex protects all accesses to the original_address
+ * The adb_handler_mutex mutex protects all accesses to the original_address
  * and handler_id fields of adb_handler[i] for all i, and changes to the
  * handler field.
  * Accesses to the handler field are protected by the adb_handler_lock
@@ -110,7 +110,7 @@ static struct adb_handler {
  * time adb_unregister returns, we know that the old handler isn't being
  * called.
  */
-static DECLARE_MUTEX(adb_handler_sem);
+static DEFINE_MUTEX(adb_handler_mutex);
 static DEFINE_RWLOCK(adb_handler_lock);
 
 #if 0
@@ -355,7 +355,7 @@ do_adb_reset_bus(void)
 		msleep(500);
 	}
 
-	down(&adb_handler_sem);
+	mutex_lock(&adb_handler_mutex);
 	write_lock_irq(&adb_handler_lock);
 	memset(adb_handler, 0, sizeof(adb_handler));
 	write_unlock_irq(&adb_handler_lock);
@@ -376,7 +376,7 @@ do_adb_reset_bus(void)
 		if (adb_controller->autopoll)
 			adb_controller->autopoll(autopoll_devs);
 	}
-	up(&adb_handler_sem);
+	mutex_unlock(&adb_handler_mutex);
 
 	blocking_notifier_call_chain(&adb_client_list,
 		ADB_MSG_POST_RESET, NULL);
@@ -454,7 +454,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
 {
 	int i;
 
-	down(&adb_handler_sem);
+	mutex_lock(&adb_handler_mutex);
 	ids->nids = 0;
 	for (i = 1; i < 16; i++) {
 		if ((adb_handler[i].original_address == default_id) &&
@@ -472,7 +472,7 @@ adb_register(int default_id, int handler_id, struct adb_ids *ids,
 			ids->id[ids->nids++] = i;
 		}
 	}
-	up(&adb_handler_sem);
+	mutex_unlock(&adb_handler_mutex);
 	return ids->nids;
 }
 
@@ -481,7 +481,7 @@ adb_unregister(int index)
 {
 	int ret = -ENODEV;
 
-	down(&adb_handler_sem);
+	mutex_lock(&adb_handler_mutex);
 	write_lock_irq(&adb_handler_lock);
 	if (adb_handler[index].handler) {
 		while(adb_handler[index].busy) {
@@ -493,7 +493,7 @@ adb_unregister(int index)
 		adb_handler[index].handler = NULL;
 	}
 	write_unlock_irq(&adb_handler_lock);
-	up(&adb_handler_sem);
+	mutex_unlock(&adb_handler_mutex);
 	return ret;
 }
 
@@ -557,19 +557,19 @@ adb_try_handler_change(int address, int new_id)
 {
 	int ret;
 
-	down(&adb_handler_sem);
+	mutex_lock(&adb_handler_mutex);
 	ret = try_handler_change(address, new_id);
-	up(&adb_handler_sem);
+	mutex_unlock(&adb_handler_mutex);
 	return ret;
 }
 
 int
 adb_get_infos(int address, int *original_address, int *handler_id)
 {
-	down(&adb_handler_sem);
+	mutex_lock(&adb_handler_mutex);
 	*original_address = adb_handler[address].original_address;
 	*handler_id = adb_handler[address].handler_id;
-	up(&adb_handler_sem);
+	mutex_unlock(&adb_handler_mutex);
 
 	return (*original_address != 0);
 }
@@ -628,10 +628,10 @@ do_adb_query(struct adb_request *req)
 	case ADB_QUERY_GETDEVINFO:
 		if (req->nbytes < 3)
 			break;
-		down(&adb_handler_sem);
+		mutex_lock(&adb_handler_mutex);
 		req->reply[0] = adb_handler[req->data[2]].original_address;
 		req->reply[1] = adb_handler[req->data[2]].handler_id;
-		up(&adb_handler_sem);
+		mutex_unlock(&adb_handler_mutex);
 		req->complete = 1;
 		req->reply_len = 2;
 		adb_write_done(req);
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 1e0a69a5e815..ddfb426a9abd 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -122,6 +122,7 @@
 #include <linux/kmod.h>
 #include <linux/i2c.h>
 #include <linux/kthread.h>
+#include <linux/mutex.h>
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
@@ -169,7 +170,7 @@ static int				rackmac;
 static s32				dimm_output_clamp;
 static int 				fcu_rpm_shift;
 static int				fcu_tickle_ticks;
-static DECLARE_MUTEX(driver_lock);
+static DEFINE_MUTEX(driver_lock);
 
 /*
  * We have 3 types of CPU PID control. One is "split" old style control
@@ -729,9 +730,9 @@ static void fetch_cpu_pumps_minmax(void)
 static ssize_t show_##name(struct device *dev, struct device_attribute *attr, char *buf)	\
 {								\
 	ssize_t r;						\
-	down(&driver_lock);					\
+	mutex_lock(&driver_lock);					\
 	r = sprintf(buf, "%d.%03d", FIX32TOPRINT(data));	\
-	up(&driver_lock);					\
+	mutex_unlock(&driver_lock);					\
 	return r;						\
 }
 #define BUILD_SHOW_FUNC_INT(name, data)				\
@@ -1803,11 +1804,11 @@ static int main_control_loop(void *x)
 {
 	DBG("main_control_loop started\n");
 
-	down(&driver_lock);
+	mutex_lock(&driver_lock);
 
 	if (start_fcu() < 0) {
 		printk(KERN_ERR "kfand: failed to start FCU\n");
-		up(&driver_lock);
+		mutex_unlock(&driver_lock);
 		goto out;
 	}
 
@@ -1822,14 +1823,14 @@ static int main_control_loop(void *x)
 
 	fcu_tickle_ticks = FCU_TICKLE_TICKS;
 
-	up(&driver_lock);
+	mutex_unlock(&driver_lock);
 
 	while (state == state_attached) {
 		unsigned long elapsed, start;
 
 		start = jiffies;
 
-		down(&driver_lock);
+		mutex_lock(&driver_lock);
 
 		/* Tickle the FCU just in case */
 		if (--fcu_tickle_ticks < 0) {
@@ -1861,7 +1862,7 @@ static int main_control_loop(void *x)
 			do_monitor_slots(&slots_state);
 		else
 			do_monitor_drives(&drives_state);
-		up(&driver_lock);
+		mutex_unlock(&driver_lock);
 
 		if (critical_state == 1) {
 			printk(KERN_WARNING "Temperature control detected a critical condition\n");
@@ -2019,13 +2020,13 @@ static void detach_fcu(void)
  */
 static int therm_pm72_attach(struct i2c_adapter *adapter)
 {
-	down(&driver_lock);
+	mutex_lock(&driver_lock);
 
 	/* Check state */
 	if (state == state_detached)
 		state = state_attaching;
 	if (state != state_attaching) {
-		up(&driver_lock);
+		mutex_unlock(&driver_lock);
 		return 0;
 	}
 
@@ -2054,7 +2055,7 @@ static int therm_pm72_attach(struct i2c_adapter *adapter)
 		state = state_attached;
 		start_control_loops();
 	}
-	up(&driver_lock);
+	mutex_unlock(&driver_lock);
 
 	return 0;
 }
@@ -2065,16 +2066,16 @@ static int therm_pm72_attach(struct i2c_adapter *adapter)
  */
 static int therm_pm72_detach(struct i2c_adapter *adapter)
 {
-	down(&driver_lock);
+	mutex_lock(&driver_lock);
 
 	if (state != state_detached)
 		state = state_detaching;
 
 	/* Stop control loops if any */
 	DBG("stopping control loops\n");
-	up(&driver_lock);
+	mutex_unlock(&driver_lock);
 	stop_control_loops();
-	down(&driver_lock);
+	mutex_lock(&driver_lock);
 
 	if (u3_0 != NULL && !strcmp(adapter->name, "u3 0")) {
 		DBG("lost U3-0, disposing control loops\n");
@@ -2090,7 +2091,7 @@ static int therm_pm72_detach(struct i2c_adapter *adapter)
 	if (u3_0 == NULL && u3_1 == NULL)
 		state = state_detached;
 
-	up(&driver_lock);
+	mutex_unlock(&driver_lock);
 
 	return 0;
 }
diff --git a/drivers/macintosh/windfarm_smu_sat.c b/drivers/macintosh/windfarm_smu_sat.c
index 797918d0e59c..7f2be4baaeda 100644
--- a/drivers/macintosh/windfarm_smu_sat.c
+++ b/drivers/macintosh/windfarm_smu_sat.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/wait.h>
 #include <linux/i2c.h>
-#include <linux/semaphore.h>
+#include <linux/mutex.h>
 #include <asm/prom.h>
 #include <asm/smu.h>
 #include <asm/pmac_low_i2c.h>
@@ -36,7 +36,7 @@
 struct wf_sat {
 	int			nr;
 	atomic_t		refcnt;
-	struct semaphore	mutex;
+	struct mutex		mutex;
 	unsigned long		last_read; /* jiffies when cache last updated */
 	u8			cache[16];
 	struct i2c_client	i2c;
@@ -163,7 +163,7 @@ static int wf_sat_get(struct wf_sensor *sr, s32 *value)
 	if (sat->i2c.adapter == NULL)
 		return -ENODEV;
 
-	down(&sat->mutex);
+	mutex_lock(&sat->mutex);
 	if (time_after(jiffies, (sat->last_read + MAX_AGE))) {
 		err = wf_sat_read_cache(sat);
 		if (err)
@@ -182,7 +182,7 @@ static int wf_sat_get(struct wf_sensor *sr, s32 *value)
 	err = 0;
 
  fail:
-	up(&sat->mutex);
+	mutex_unlock(&sat->mutex);
 	return err;
 }
 
@@ -233,7 +233,7 @@ static void wf_sat_create(struct i2c_adapter *adapter, struct device_node *dev)
 	sat->nr = -1;
 	sat->node = of_node_get(dev);
 	atomic_set(&sat->refcnt, 0);
-	init_MUTEX(&sat->mutex);
+	mutex_init(&sat->mutex);
 	sat->i2c.addr = (addr >> 1) & 0x7f;
 	sat->i2c.adapter = adapter;
 	sat->i2c.driver = &wf_sat_driver;