[PATCH] i2c: Semaphore to mutex conversions, part 3
Cleanup after the semaphores to mutexes conversions in the i2c subsystem. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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committato da
Greg Kroah-Hartman

parent
5c085d369c
commit
3fb9a65529
@@ -31,6 +31,7 @@
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#include <linux/smp_lock.h>
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#include <linux/pci.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include <asm/io.h>
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#include <asm/msr.h>
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@@ -74,7 +75,7 @@ struct scx200_acb_iface {
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struct scx200_acb_iface *next;
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struct i2c_adapter adapter;
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unsigned base;
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struct semaphore sem;
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struct mutex mutex;
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/* State machine data */
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enum scx200_acb_state state;
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@@ -314,7 +315,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
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return -EINVAL;
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}
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down(&iface->sem);
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mutex_lock(&iface->mutex);
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iface->address_byte = (address << 1) | rw;
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iface->command = command;
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@@ -338,7 +339,7 @@ static s32 scx200_acb_smbus_xfer(struct i2c_adapter *adapter,
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rc = iface->result;
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up(&iface->sem);
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mutex_unlock(&iface->mutex);
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if (rc == 0 && size == I2C_SMBUS_WORD_DATA && rw == I2C_SMBUS_READ)
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data->word = le16_to_cpu(cur_word);
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@@ -431,7 +432,7 @@ static int __init scx200_acb_create(const char *text, int base, int index)
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adapter->algo = &scx200_acb_algorithm;
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adapter->class = I2C_CLASS_HWMON;
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init_MUTEX(&iface->sem);
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mutex_init(&iface->mutex);
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snprintf(description, sizeof(description), "%s ACCESS.bus [%s]",
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text, adapter->name);
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