diff options
| -rw-r--r-- | drivers/i2c/busses/i2c-ali1535.c | 1 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 9 |
3 files changed, 6 insertions, 6 deletions
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index 26cf891762b8..115a7312948e 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -64,7 +64,6 @@ #include <linux/init.h> #include <linux/mutex.h> #include <asm/io.h> -#include <asm/semaphore.h> /* ALI1535 SMBus address offsets */ diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 7579f4b256a8..5155010b455e 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -647,7 +647,7 @@ static inline void i2c_pxa_start_message(struct pxa_i2c *i2c) } /* - * We are protected by the adapter bus semaphore. + * We are protected by the adapter bus mutex. */ static int i2c_pxa_do_xfer(struct pxa_i2c *i2c, struct i2c_msg *msg, int num) { diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index 8e646bdb556c..8bd305e47f0d 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -31,6 +31,7 @@ #include <linux/smp_lock.h> #include <linux/pci.h> #include <linux/delay.h> +#include <linux/mutex.h> #include <asm/io.h> #include <asm/msr.h> @@ -74,7 +75,7 @@ struct scx200_acb_iface { struct scx200_acb_iface *next; struct i2c_adapter adapter; unsigned base; - struct semaphore sem; + struct mutex mutex; /* State machine data */ enum scx200_acb_state state; @@ -314,7 +315,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, return -EINVAL; } - down(&iface->sem); + mutex_lock(&iface->mutex); iface->address_byte = (address << 1) | rw; iface->command = command; @@ -338,7 +339,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter, rc = iface->result; - up(&iface->sem); + mutex_unlock(&iface->mutex); if (rc == 0 && size == I2C_SMBUS_WORD_DATA && rw == I2C_SMBUS_READ) data->word = le16_to_cpu(cur_word); @@ -431,7 +432,7 @@ static int __init scx200_acb_create(const char *text, int base, int index) adapter->algo = &scx200_acb_algorithm; adapter->class = I2C_CLASS_HWMON; - init_MUTEX(&iface->sem); + mutex_init(&iface->mutex); snprintf(description, sizeof(description), "%s ACCESS.bus [%s]", text, adapter->name); |