| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 37/73] i2c: synquacer: fix synquacer_i2c_doxfer() return value | Date | Fri, 7 Jun 2019 17:39:24 +0200 |
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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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