[5.1,45/85] i2c: synquacer: fix synquacer_i2c_doxfer() return value

Message ID 20190607153854.643228293@linuxfoundation.org
State New
Headers show
Series
  • Untitled series #20928
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Commit Message

Greg Kroah-Hartman June 7, 2019, 3:39 p.m.
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(-)

Patch

--- 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)