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[PATCH] i2c: Rework client usage count, 1 of 3
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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>
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Jean Delvare authored and Greg Kroah-Hartman committed Jan 6, 2006
1 parent 5d7b851 commit cb748fb
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Showing 2 changed files with 1 addition and 5 deletions.
4 changes: 1 addition & 3 deletions drivers/i2c/i2c-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -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++;
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2 changes: 0 additions & 2 deletions include/linux/i2c.h
Original file line number Diff line number Diff line change
Expand Up @@ -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 */
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