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i2c: rk3x: report number of messages transmitted 

master_xfer() method should return number of i2c messages transferred,
but on Rockchip we were usually returning just 1, which caused trouble
with users that actually check number of transferred messages vs.
checking for negative error codes.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
This commit is contained in:
Dmitry Torokhov 2015-04-20 15:14:47 -07:00 committed by Wolfram Sang
parent 27cf3a16b2
commit c6cbfb91b8
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-rk3x.c
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@ -833,7 +833,7 @@ static int rk3x_i2c_xfer(struct i2c_adapter *adap,
clk_disable(i2c->clk);
spin_unlock_irqrestore(&i2c->lock, flags);
return ret;
return ret < 0 ? ret : num;
}
static u32 rk3x_i2c_func(struct i2c_adapter *adap)