All the users of this driver explicitly specify the I2C bus numbers
to be used in their platform data. Make the driver respect that.
Signed-off-by: NKalle Pokki <kalle.pokki@eke.fi>
Cc: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: NJean Delvare <khali@linux-fr.org>

Remove this unneeded mutex. Indeed it was used to serialize access to
the hardware, but this is already done by the i2c-core layer, see
'bus_lock' mutex used by i2c_transfer().
Signed-off-by: NFrancis Moreau <francis.moro@gmail.com>
Acked-by: NBryan Wu <bryan.wu@analog.com>
Signed-off-by: NJean Delvare <khali@linux-fr.org>

The i2c linux driver for blackfin architecture which supports blackfin
on-chip TWI controller i2c operation.
Signed-off-by: NBryan Wu <bryan.wu@analog.com>
Reviewed-by: NAlexey Dobriyan <adobriyan@gmail.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJean Delvare <khali@linux-fr.org>