From: Daniel Walker <dwalker@mvista.com>
To: akpm@linux-foundation.org
Cc: paulus@samba.org, benh@kernel.crashing.org, mingo@elte.hu,
matthew@wil.cx, linux-kernel@vger.kernel.org
Subject: [PATCH] macintosh: qindfarm_smu_sat: semaphore to mutex
Date: Tue, 29 Apr 2008 09:43:03 -0700 [thread overview]
Message-ID: <20080429164303.182092623@mvista.com> (raw)
Signed-off-by: Daniel Walker <dwalker@mvista.com>
---
drivers/macintosh/windfarm_smu_sat.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
Index: linux-2.6.25/drivers/macintosh/windfarm_smu_sat.c
===================================================================
--- linux-2.6.25.orig/drivers/macintosh/windfarm_smu_sat.c
+++ linux-2.6.25/drivers/macintosh/windfarm_smu_sat.c
@@ -13,7 +13,7 @@
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/i2c.h>
-#include <asm/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 *
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;
--
--
reply other threads:[~2008-04-29 16:46 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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