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[PATCH] I2C: i2c-ali1535: Drop redundant mutex 

Drop a redundant mutex in driver i2c-ali1535. The struct i2c_adapter
includes a mutex for the same purpose, operated by i2c-core.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare 2006-02-27 23:08:18 +01:00 committed by Greg Kroah-Hartman
parent c006705e0f
commit 0cbcb4d39a
1 changed files with 0 additions and 4 deletions
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4
drivers/i2c/busses/i2c-ali1535.c
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@ -62,7 +62,6 @@
#include <linux/ioport.h>
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <asm/io.h>
@ -136,7 +135,6 @@
static struct pci_driver ali1535_driver;
static unsigned short ali1535_smba;
static DEFINE_MUTEX(i2c_ali1535_mutex);
/* Detect whether a ALI1535 can be found, and initialize it, where necessary.
Note the differences between kernels with the old PCI BIOS interface and
@ -345,7 +343,6 @@ static s32 ali1535_access(struct i2c_adapter *adap, u16 addr,
int timeout;
s32 result = 0;
mutex_lock(&i2c_ali1535_mutex);
/* make sure SMBus is idle */
temp = inb_p(SMBHSTSTS);
for (timeout = 0;
@ -460,7 +457,6 @@ static s32 ali1535_access(struct i2c_adapter *adap, u16 addr,
break;
}
EXIT:
mutex_unlock(&i2c_ali1535_mutex);
return result;
}