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i2c: Bus drivers don't have to support I2C_M_REV_DIR_ADDR

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I2C bus drivers don't have to support I2C_M_REV_DIR_ADDR. It is a
deviation from the I2C specification, which only makes sense to
implement when really needed.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jean Delvare
2009-12-06 17:06:22 +01:00
parent 194684e596
commit da44bdeb95
3 changed files with 0 additions and 11 deletions
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2
drivers/i2c/busses/i2c-powermac.c
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@@ -162,8 +162,6 @@ static int i2c_powermac_master_xfer( struct i2c_adapter *adap,
return -EINVAL;
read = (msgs->flags & I2C_M_RD) != 0;
addrdir = (msgs->addr << 1) | read;
if (msgs->flags & I2C_M_REV_DIR_ADDR)
addrdir ^= 1;
rc = pmac_i2c_open(bus, 0);
if (rc) {