[PATCH] drivers: mediatek: Fix error handling in mtk_i2c_do_transfer

[Francois Berder]

Errors were handled only if an I2C transfer timed out
and received a NACK which is very unlikely. This commit
changes the condition such that errors are handled if
an I2C transfer times out or received a NACK.

Signed-off-by: Francois Berder <fberder at outlook.fr>
---
 drivers/i2c/mtk_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/mtk_i2c.c b/drivers/i2c/mtk_i2c.c
index 2f331d32..5592fe91 100644
--- a/drivers/i2c/mtk_i2c.c
+++ b/drivers/i2c/mtk_i2c.c
@@ -621,7 +621,7 @@ static int mtk_i2c_do_transfer(struct mtk_i2c_priv *priv,
 	i2c_writel(priv, REG_INTR_MASK, ~(restart_flag | I2C_HS_NACKERR |
 		  I2C_ACKERR | I2C_TRANSAC_COMP));
 
-	if (!tmo && trans_error != 0) {
+	if (tmo || trans_error != 0) {
 		if (tmo) {
 			ret = -ETIMEDOUT;
 			if (!priv->filter_msg)
-- 
2.34.1