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| author | Ingo Molnar <mingo@elte.hu> | 2006-01-18 23:16:04 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-03-23 23:21:51 +0100 |
| commit | 5c085d369c2c4f18942ec8951466e186366d5c78 (patch) | |
| tree | 22ca525700049a402281a0503b07db0645075f58 /drivers/i2c/busses/i2c-amd756-s4882.c | |
| parent | [PATCH] i2c: Speed up block transfers (diff) | |
| download | linux-5c085d369c2c4f18942ec8951466e186366d5c78.tar.xz linux-5c085d369c2c4f18942ec8951466e186366d5c78.zip | |
[PATCH] i2c: Semaphore to mutex conversions, part 2
semaphore to mutex conversion.
the conversion was generated via scripts, and the result was validated
automatically via a script as well.
build tested.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-amd756-s4882.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-amd756-s4882.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c index 56c7d987590f..f7b4cb4e9c75 100644 --- a/drivers/i2c/busses/i2c-amd756-s4882.c +++ b/drivers/i2c/busses/i2c-amd756-s4882.c @@ -38,6 +38,7 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/i2c.h> +#include <linux/mutex.h> extern struct i2c_adapter amd756_smbus; @@ -45,7 +46,7 @@ static struct i2c_adapter *s4882_adapter; static struct i2c_algorithm *s4882_algo; /* Wrapper access functions for multiplexed SMBus */ -static struct semaphore amd756_lock; +static struct mutex amd756_lock; static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr, unsigned short flags, char read_write, @@ -59,12 +60,12 @@ static s32 amd756_access_virt0(struct i2c_adapter * adap, u16 addr, || addr == 0x18) return -1; - down(&amd756_lock); + mutex_lock(&amd756_lock); error = amd756_smbus.algo->smbus_xfer(adap, addr, flags, read_write, command, size, data); - up(&amd756_lock); + mutex_unlock(&amd756_lock); return error; } @@ -87,7 +88,7 @@ static inline s32 amd756_access_channel(struct i2c_adapter * adap, u16 addr, if (addr != 0x4c && (addr & 0xfc) != 0x50 && (addr & 0xfc) != 0x30) return -1; - down(&amd756_lock); + mutex_lock(&amd756_lock); if (last_channels != channels) { union i2c_smbus_data mplxdata; @@ -105,7 +106,7 @@ static inline s32 amd756_access_channel(struct i2c_adapter * adap, u16 addr, command, size, data); UNLOCK: - up(&amd756_lock); + mutex_unlock(&amd756_lock); return error; } @@ -166,7 +167,7 @@ static int __init amd756_s4882_init(void) } printk(KERN_INFO "Enabling SMBus multiplexing for Tyan S4882\n"); - init_MUTEX(&amd756_lock); + mutex_init(&amd756_lock); /* Define the 5 virtual adapters and algorithms structures */ if (!(s4882_adapter = kzalloc(5 * sizeof(struct i2c_adapter), |