From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Wed, 24 Aug 2016 09:19:29 +0000 (+0200)
Subject: i2c: rcar: use proper device with dma_mapping_error
X-Git-Tag: v4.8-rc6~5^2~6
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=c13c29186c59b056d6ec141b5967c2ca3efc0c16;p=cascardo%2Flinux.git

i2c: rcar: use proper device with dma_mapping_error

We must use the same device we used for mapping.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---

diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 52407f3c9e1c..9bd849dacee8 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -378,7 +378,7 @@ static void rcar_i2c_dma(struct rcar_i2c_priv *priv)
 	}
 
 	dma_addr = dma_map_single(chan->device->dev, buf, len, dir);
-	if (dma_mapping_error(dev, dma_addr)) {
+	if (dma_mapping_error(chan->device->dev, dma_addr)) {
 		dev_dbg(dev, "dma map failed, using PIO\n");
 		return;
 	}