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| author | Arjan van de Ven <arjan@infradead.org> | 2006-01-11 10:50:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 14:21:49 -0800 |
| commit | b3585e4f5b3e4ddb4d82ae50d0b844f619c6d821 (patch) | |
| tree | 5375363cc6087d74196efc0ded6dae9a8a4c2ad5 /drivers/i2c/chips/ds1374.c | |
| parent | 2488a39d233a758d41ab7de70a220bc956f3c96c (diff) | |
| download | op-kernel-dev-b3585e4f5b3e4ddb4d82ae50d0b844f619c6d821.zip op-kernel-dev-b3585e4f5b3e4ddb4d82ae50d0b844f619c6d821.tar.gz | |
[PATCH] I2C: Convert i2c to mutexes
The patch below converts a few i2c semaphores to mutexes
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/chips/ds1374.c')
| -rw-r--r-- | drivers/i2c/chips/ds1374.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/i2c/chips/ds1374.c b/drivers/i2c/chips/ds1374.c index 0710b9d..03d09ed 100644 --- a/drivers/i2c/chips/ds1374.c +++ b/drivers/i2c/chips/ds1374.c @@ -26,6 +26,7 @@ #include <linux/i2c.h> #include <linux/rtc.h> #include <linux/bcd.h> +#include <linux/mutex.h> #define DS1374_REG_TOD0 0x00 #define DS1374_REG_TOD1 0x01 @@ -41,7 +42,7 @@ #define DS1374_DRV_NAME "ds1374" -static DECLARE_MUTEX(ds1374_mutex); +static DEFINE_MUTEX(ds1374_mutex); static struct i2c_driver ds1374_driver; static struct i2c_client *save_client; @@ -114,7 +115,7 @@ ulong ds1374_get_rtc_time(void) ulong t1, t2; int limit = 10; /* arbitrary retry limit */ - down(&ds1374_mutex); + mutex_lock(&ds1374_mutex); /* * Since the reads are being performed one byte at a time using @@ -127,7 +128,7 @@ ulong ds1374_get_rtc_time(void) t2 = ds1374_read_rtc(); } while (t1 != t2 && limit--); - up(&ds1374_mutex); + mutex_unlock(&ds1374_mutex); if (t1 != t2) { dev_warn(&save_client->dev, @@ -145,7 +146,7 @@ static void ds1374_set_tlet(ulong arg) t1 = *(ulong *) arg; - down(&ds1374_mutex); + mutex_lock(&ds1374_mutex); /* * Since the writes are being performed one byte at a time using @@ -158,7 +159,7 @@ static void ds1374_set_tlet(ulong arg) t2 = ds1374_read_rtc(); } while (t1 != t2 && limit--); - up(&ds1374_mutex); + mutex_unlock(&ds1374_mutex); if (t1 != t2) dev_warn(&save_client->dev, |
