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Subject[PATCH 4.19 37/73] i2c: synquacer: fix synquacer_i2c_doxfer() return value
Date
From: Masahisa Kojima <masahisa.kojima@linaro.org>

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@vger.kernel.org> # v4.19+
Signed-off-by: Okamoto Satoru <okamoto.satoru@socionext.com>
Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
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
@@ -356,7 +356,7 @@ 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)

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