From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: Wed, 24 Aug 2016 09:19:28 +0000 (+0200)
Subject: i2c: sh_mobile: use proper device with dma_mapping_error
X-Git-Tag: v4.8-rc6~5^2~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=488d69ea72457c7566b36eb0d484d579f19963c5;p=platform%2Fkernel%2Flinux-exynos.git

i2c: sh_mobile: 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-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 6fb3e26..05b1eea 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -610,7 +610,7 @@ static void sh_mobile_i2c_xfer_dma(struct sh_mobile_i2c_data *pd)
 		return;
 
 	dma_addr = dma_map_single(chan->device->dev, pd->msg->buf, pd->msg->len, dir);
-	if (dma_mapping_error(pd->dev, dma_addr)) {
+	if (dma_mapping_error(chan->device->dev, dma_addr)) {
 		dev_dbg(pd->dev, "dma map failed, using PIO\n");
 		return;
 	}