From: Daniel Walker <[EMAIL PROTECTED]>
Signed-off-by: Daniel Walker <[EMAIL PROTECTED]>
Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Cc: Paul Mackerras <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
drivers/macintosh/windfarm_smu_sat.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN
drivers/macintosh/windfarm_smu_sat.c~macintosh-qindfarm_smu_sat-semaphore-to-mutex
drivers/macintosh/windfarm_smu_sat.c
---
a/drivers/macintosh/windfarm_smu_sat.c~macintosh-qindfarm_smu_sat-semaphore-to-mutex
+++ a/drivers/macintosh/windfarm_smu_sat.c
@@ -13,7 +13,7 @@
#include
#include
#include
-#include
+#include
#include
#include
#include
@@ -36,7 +36,7 @@
struct wf_sat {
int nr;
atomic_trefcnt;
- struct semaphoremutex;
+ struct mutexmutex;
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 *
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 *
err = 0;
fail:
- up(&sat->mutex);
+ mutex_unlock(&sat->mutex);
return err;
}
@@ -233,7 +233,7 @@ static void wf_sat_create(struct i2c_ada
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;
_
___
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