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 (file)
--- 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;
        }