summaryrefslogtreecommitdiffstats
path: root/drivers/i2c/busses
diff options
context:
space:
mode:
authorJean Delvare <khali@linux-fr.org>2006-01-18 23:17:01 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2006-03-23 14:21:51 -0800
commit3fb9a65529615944138d527b70174840c95c637a (patch)
tree86833e442c87dfbcda7ee5644120ee8a9a9d0f8c /drivers/i2c/busses
parent5c085d369c2c4f18942ec8951466e186366d5c78 (diff)
downloadlinux-3fb9a65529615944138d527b70174840c95c637a.tar.gz
linux-3fb9a65529615944138d527b70174840c95c637a.tar.bz2
linux-3fb9a65529615944138d527b70174840c95c637a.zip
[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>
Diffstat (limited to 'drivers/i2c/busses')
-rw-r--r--drivers/i2c/busses/i2c-ali1535.c1
-rw-r--r--drivers/i2c/busses/i2c-pxa.c2
-rw-r--r--drivers/i2c/busses/scx200_acb.c9
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);