[PATCH 4.14 169/189] i2c: pmcmsp: return message count on master_xfer success

Greg Kroah-Hartman
2018-06-18T08:37:26Z

From: Peter Rosin <peda@axentia.se>

[ Upstream commit de9a8634f1cb4560a35696d472cc7f1383d9b866 ]

Returning zero is wrong in this case.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: 1b144df1d7d6 ("i2c: New PMC MSP71xx TWI bus driver")
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/i2c/busses/i2c-pmcmsp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/busses/i2c-pmcmsp.c
+++ b/drivers/i2c/busses/i2c-pmcmsp.c
@@ -567,7 +567,7 @@ static int pmcmsptwi_master_xfer(struct
return -1;
}

- return 0;
+ return num;
}

static u32 pmcmsptwi_i2c_func(struct i2c_adapter *adapter)