ata: sata_rcar: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding.
Note that the sata_rcar driver is used with DT only, so there's always a
valid match.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 537d11869069aae7d26e1e253ed3f4d587d25bbf..80ee2f2a50d02872a9b657e99d320ac7dfe2cc5a 100644 (file)
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -872,7 +872,6 @@ MODULE_DEVICE_TABLE(of, sata_rcar_match);
 
 static int sata_rcar_probe(struct platform_device *pdev)
 {
-       const struct of_device_id *of_id;
        struct ata_host *host;
        struct sata_rcar_priv *priv;
        struct resource *mem;
@@ -888,11 +887,7 @@ static int sata_rcar_probe(struct platform_device *pdev)
        if (!priv)
                return -ENOMEM;
 
-       of_id = of_match_device(sata_rcar_match, &pdev->dev);
-       if (!of_id)
-               return -ENODEV;
-
-       priv->type = (enum sata_rcar_type)of_id->data;
+       priv->type = (enum sata_rcar_type)of_device_get_match_data(&pdev->dev);
        priv->clk = devm_clk_get(&pdev->dev, NULL);
        if (IS_ERR(priv->clk)) {
                dev_err(&pdev->dev, "failed to get access to sata clock\n");