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i2c: synquacer: fix synquacer_i2c_doxfer() return value

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commit ff9378904d upstream.

master_xfer should return the number of messages successfully
processed.

Fixes: 0d676a6c43 ("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>
This commit is contained in:
Masahisa Kojima 2019-05-21 10:33:50 +09:00 committed by Greg Kroah-Hartman
parent d2d8f64012
commit bb03290431
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-synquacer.c
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@ -356,7 +356,7 @@ static int synquacer_i2c_doxfer(struct synquacer_i2c *i2c,
/* 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)