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authorJean Delvare <khali@linux-fr.org>2006-02-27 23:08:18 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:21:54 -0800
commit0cbcb4d39a83d4df7e45c13b5ebd9fe73e025237 (patch)
tree3387e04193267442517e3683a2d4153d2ab5bff4 /drivers/i2c
parentc006705e0f6a195d122be8d5344a4257c269f559 (diff)
downloadop-kernel-dev-0cbcb4d39a83d4df7e45c13b5ebd9fe73e025237.zip
op-kernel-dev-0cbcb4d39a83d4df7e45c13b5ebd9fe73e025237.tar.gz
[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>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-ali1535.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index 115a7312..d3ef46a 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -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;
}
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