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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-04-20 15:14:47 -0700
committerWolfram Sang <wsa@the-dreams.de>2015-04-23 19:35:28 +0200
commitc6cbfb91b878224e78408a2e15901c79de77115a (patch)
treec0371611dfcf9e4c990782fdbe6092c07a5596d9 /drivers/i2c
parent27cf3a16b2535a490f8cf1d29a6634f1c70f7831 (diff)
downloadop-kernel-dev-c6cbfb91b878224e78408a2e15901c79de77115a.zip
op-kernel-dev-c6cbfb91b878224e78408a2e15901c79de77115a.tar.gz
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
Diffstat (limited to 'drivers/i2c')
-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 5f96b1b..019d542 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -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)
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