From: Masahisa Kojima <masahisa.kojima@xxxxxxxxxx>
commit ff9378904d9d7a3fcb8406604e089e535e357b1d upstream.
master_xfer should return the number of messages successfully
processed.
Fixes: 0d676a6c4390 ("i2c: add support for Socionext SynQuacer I2C controller")
Cc: <stable@xxxxxxxxxxxxxxx> # v4.19+
Signed-off-by: Okamoto Satoru <okamoto.satoru@xxxxxxxxxxxxx>
Signed-off-by: Masahisa Kojima <masahisa.kojima@xxxxxxxxxx>
Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-synquacer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -351,7 +351,7 @@ static int synquacer_i2c_doxfer(struct s
/* wait 2 clock periods to ensure the stop has been through the bus */
udelay(DIV_ROUND_UP(2 * 1000, i2c->speed_khz));
- return 0;
+ return ret;
}
static irqreturn_t synquacer_i2c_isr(int irq, void *dev_id)
