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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-04-20 15:14:47 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-05-06 22:02:01 +0200
commita0525be6dc515578a68d11a6938e96d68a70014f (patch)
tree11cb64ae1d5d86829e7630da3309cb6cb96a9db7
parent7c897ccd3c9865b879c7bf970423e365dad1f1ab (diff)
i2c: rk3x: report number of messages transmitted
commit c6cbfb91b878224e78408a2e15901c79de77115a upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/i2c/busses/i2c-rk3x.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 92462843db66..648cea462269 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -800,7 +800,7 @@ 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)