diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 18:51:32 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-23 18:51:32 -0500 |
| commit | b6585dedac232ca79fe978d97a95fdaa6da24f66 (patch) | |
| tree | 4d2d78300bb9bcfb40cb35450f78dd3af82c78d3 /drivers/i2c/chips/ds1374.c | |
| parent | a3ea9b584ed2acdeae817f0dc91a5880e0828a05 (diff) | |
| parent | ded2b66615613093eeb83b81499bc270de8fc499 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/i2c-2.6: (36 commits)
[PATCH] hwmon: add required idr locking
[PATCH] I2C: hwmon: Rename register parameters
[PATCH] I2C: Drop unneeded i2c-dev.h includes
[PATCH] I2C: i2c-ixp4xx: Add hwmon class
[PATCH] I2C: i2c-piix4: Add Broadcom HT-1000 support
[PATCH] I2C: i2c-amd756-s4882: Improve static mutex initialization
[PATCH] I2C: i2c-ali1535: Drop redundant mutex
[PATCH] i2c: Cleanup isp1301_omap
[PATCH] i2c: Fix i2c-ite name initialization
[PATCH] i2c: Drop the i2c-frodo bus driver
[PATCH] i2c: Optimize core_lists mutex usage
[PATCH] w83781d: Don't reset the chip by default
[PATCH] w83781d: Document the alarm and beep bits
[PATCH] w83627ehf: Refactor the sysfs interface
[PATCH] hwmon: Support the Pentium M VID code
[PATCH] hwmon: Add support for the Winbond W83687THF
[PATCH] hwmon: f71805f semaphore to mutex conversions
[PATCH] hwmon: Semaphore to mutex conversions
[PATCH] i2c: Semaphore to mutex conversions, part 3
[PATCH] i2c: Semaphore to mutex conversions, part 2
...
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 0710b9da9d54..03d09ed5ec2c 100644 --- a/drivers/i2c/chips/ds1374.c +++ b/drivers/i2c/chips/ds1374.c | |||
| @@ -26,6 +26,7 @@ | |||
| 26 | #include <linux/i2c.h> | 26 | #include <linux/i2c.h> |
| 27 | #include <linux/rtc.h> | 27 | #include <linux/rtc.h> |
| 28 | #include <linux/bcd.h> | 28 | #include <linux/bcd.h> |
| 29 | #include <linux/mutex.h> | ||
| 29 | 30 | ||
| 30 | #define DS1374_REG_TOD0 0x00 | 31 | #define DS1374_REG_TOD0 0x00 |
| 31 | #define DS1374_REG_TOD1 0x01 | 32 | #define DS1374_REG_TOD1 0x01 |
| @@ -41,7 +42,7 @@ | |||
| 41 | 42 | ||
| 42 | #define DS1374_DRV_NAME "ds1374" | 43 | #define DS1374_DRV_NAME "ds1374" |
| 43 | 44 | ||
| 44 | static DECLARE_MUTEX(ds1374_mutex); | 45 | static DEFINE_MUTEX(ds1374_mutex); |
| 45 | 46 | ||
| 46 | static struct i2c_driver ds1374_driver; | 47 | static struct i2c_driver ds1374_driver; |
| 47 | static struct i2c_client *save_client; | 48 | static struct i2c_client *save_client; |
| @@ -114,7 +115,7 @@ ulong ds1374_get_rtc_time(void) | |||
| 114 | ulong t1, t2; | 115 | ulong t1, t2; |
| 115 | int limit = 10; /* arbitrary retry limit */ | 116 | int limit = 10; /* arbitrary retry limit */ |
| 116 | 117 | ||
| 117 | down(&ds1374_mutex); | 118 | mutex_lock(&ds1374_mutex); |
| 118 | 119 | ||
| 119 | /* | 120 | /* |
| 120 | * Since the reads are being performed one byte at a time using | 121 | * Since the reads are being performed one byte at a time using |
| @@ -127,7 +128,7 @@ ulong ds1374_get_rtc_time(void) | |||
| 127 | t2 = ds1374_read_rtc(); | 128 | t2 = ds1374_read_rtc(); |
| 128 | } while (t1 != t2 && limit--); | 129 | } while (t1 != t2 && limit--); |
| 129 | 130 | ||
| 130 | up(&ds1374_mutex); | 131 | mutex_unlock(&ds1374_mutex); |
| 131 | 132 | ||
| 132 | if (t1 != t2) { | 133 | if (t1 != t2) { |
| 133 | dev_warn(&save_client->dev, | 134 | dev_warn(&save_client->dev, |
| @@ -145,7 +146,7 @@ static void ds1374_set_tlet(ulong arg) | |||
| 145 | 146 | ||
| 146 | t1 = *(ulong *) arg; | 147 | t1 = *(ulong *) arg; |
| 147 | 148 | ||
| 148 | down(&ds1374_mutex); | 149 | mutex_lock(&ds1374_mutex); |
| 149 | 150 | ||
| 150 | /* | 151 | /* |
| 151 | * Since the writes are being performed one byte at a time using | 152 | * Since the writes are being performed one byte at a time using |
| @@ -158,7 +159,7 @@ static void ds1374_set_tlet(ulong arg) | |||
| 158 | t2 = ds1374_read_rtc(); | 159 | t2 = ds1374_read_rtc(); |
| 159 | } while (t1 != t2 && limit--); | 160 | } while (t1 != t2 && limit--); |
| 160 | 161 | ||
| 161 | up(&ds1374_mutex); | 162 | mutex_unlock(&ds1374_mutex); |
| 162 | 163 | ||
| 163 | if (t1 != t2) | 164 | if (t1 != t2) |
| 164 | dev_warn(&save_client->dev, | 165 | dev_warn(&save_client->dev, |
