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path: root/drivers/macintosh/therm_windtunnel.c
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Diffstat (limited to 'drivers/macintosh/therm_windtunnel.c')
-rw-r--r--drivers/macintosh/therm_windtunnel.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/macintosh/therm_windtunnel.c b/drivers/macintosh/therm_windtunnel.c
index d11821af3b8d..3da0a02efd76 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -37,13 +37,13 @@
37#include <linux/slab.h> 37#include <linux/slab.h>
38#include <linux/init.h> 38#include <linux/init.h>
39#include <linux/kthread.h> 39#include <linux/kthread.h>
40#include <linux/of_platform.h>
40 41
41#include <asm/prom.h> 42#include <asm/prom.h>
42#include <asm/machdep.h> 43#include <asm/machdep.h>
43#include <asm/io.h> 44#include <asm/io.h>
44#include <asm/system.h> 45#include <asm/system.h>
45#include <asm/sections.h> 46#include <asm/sections.h>
46#include <asm/of_platform.h>
47#include <asm/macio.h> 47#include <asm/macio.h>
48 48
49#define LOG_TEMP 0 /* continously log temperature */ 49#define LOG_TEMP 0 /* continously log temperature */
@@ -62,7 +62,7 @@ static struct {
62 volatile int running; 62 volatile int running;
63 struct task_struct *poll_task; 63 struct task_struct *poll_task;
64 64
65 struct semaphore lock; 65 struct mutex lock;
66 struct of_device *of_dev; 66 struct of_device *of_dev;
67 67
68 struct i2c_client *thermostat; 68 struct i2c_client *thermostat;
@@ -286,23 +286,23 @@ restore_regs( void )
286 286
287static int control_loop(void *dummy) 287static int control_loop(void *dummy)
288{ 288{
289 down(&x.lock); 289 mutex_lock(&x.lock);
290 setup_hardware(); 290 setup_hardware();
291 up(&x.lock); 291 mutex_unlock(&x.lock);
292 292
293 for (;;) { 293 for (;;) {
294 msleep_interruptible(8000); 294 msleep_interruptible(8000);
295 if (kthread_should_stop()) 295 if (kthread_should_stop())
296 break; 296 break;
297 297
298 down(&x.lock); 298 mutex_lock(&x.lock);
299 poll_temp(); 299 poll_temp();
300 up(&x.lock); 300 mutex_unlock(&x.lock);
301 } 301 }
302 302
303 down(&x.lock); 303 mutex_lock(&x.lock);
304 restore_regs(); 304 restore_regs();
305 up(&x.lock); 305 mutex_unlock(&x.lock);
306 306
307 return 0; 307 return 0;
308} 308}
@@ -489,7 +489,7 @@ g4fan_init( void )
489 const struct apple_thermal_info *info; 489 const struct apple_thermal_info *info;
490 struct device_node *np; 490 struct device_node *np;
491 491
492 init_MUTEX( &x.lock ); 492 mutex_init(&x.lock);
493 493
494 if( !(np=of_find_node_by_name(NULL, "power-mgt")) ) 494 if( !(np=of_find_node_by_name(NULL, "power-mgt")) )
495 return -ENODEV; 495 return -ENODEV;