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authorJean Delvare <khali@linux-fr.org>2005-11-26 22:58:35 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2006-01-06 09:16:22 +0300
commitcb748fb20186d4b345c68a7f580429f379fdd268 (patch)
tree6c8f4f0937941bb4ee56ed72ba0b7f60562f1e1d
parent5d7b851dcced3611e4a4432308618b1ed1a9fc31 (diff)
downloadlinux-cb748fb20186d4b345c68a7f580429f379fdd268.tar.xz
[PATCH] i2c: Rework client usage count, 1 of 3
No i2c client uses the I2C_CLIENT_ALLOW_MULTIPLE_USE flag, drop it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/i2c/i2c-core.c4
-rw-r--r--include/linux/i2c.h2
2 files changed, 1 insertions, 5 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index ad68ac00d910..2f0bc9529376 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -500,9 +500,7 @@ int i2c_use_client(struct i2c_client *client)
return ret;
if (client->flags & I2C_CLIENT_ALLOW_USE) {
- if (client->flags & I2C_CLIENT_ALLOW_MULTIPLE_USE)
- client->usage_count++;
- else if (client->usage_count > 0)
+ if (client->usage_count > 0)
goto busy;
else
client->usage_count++;
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 3c16a8fb95f4..4487c5189747 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -251,8 +251,6 @@ static inline void i2c_set_adapdata (struct i2c_adapter *dev, void *data)
/*flags for the client struct: */
#define I2C_CLIENT_ALLOW_USE 0x01 /* Client allows access */
-#define I2C_CLIENT_ALLOW_MULTIPLE_USE 0x02 /* Allow multiple access-locks */
- /* on an i2c_client */
#define I2C_CLIENT_PEC 0x04 /* Use Packet Error Checking */
#define I2C_CLIENT_TEN 0x10 /* we have a ten bit chip address */
/* Must equal I2C_M_TEN below */