From ff9378904d9d7a3fcb8406604e089e535e357b1d Mon Sep 17 00:00:00 2001
From: Masahisa Kojima <masahisa.kojima@linaro.org>
Date: Tue, 21 May 2019 10:33:50 +0900
Subject: [PATCH] i2c: synquacer: fix synquacer_i2c_doxfer() return value
Git-commit: ff9378904d9d7a3fcb8406604e089e535e357b1d
Patch-mainline: v5.2-rc3
References: bsc#1111666
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/i2c/busses/i2c-synquacer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-synquacer.c b/drivers/i2c/busses/i2c-synquacer.c
index f14d4b3fab44..f724c8e6b360 100644
--- a/drivers/i2c/busses/i2c-synquacer.c
+++ b/drivers/i2c/busses/i2c-synquacer.c
@@ -351,7 +351,7 @@ 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)
--
2.16.4