usb: gadget: udc: renesas_usb3: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding,
postponing the matching until when it's really needed.
Note that the renesas_usb3 driver is used with DT only, so there's
always a valid match.

Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 0cbf909..4d9a40f 100644 (file)
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2569,20 +2569,15 @@ static int renesas_usb3_probe(struct platform_device *pdev)
 {
        struct renesas_usb3 *usb3;
        struct resource *res;
-       const struct of_device_id *match;
        int irq, ret;
        const struct renesas_usb3_priv *priv;
        const struct soc_device_attribute *attr;
 
-       match = of_match_node(usb3_of_match, pdev->dev.of_node);
-       if (!match)
-               return -ENODEV;
-
        attr = soc_device_match(renesas_usb3_quirks_match);
        if (attr)
                priv = attr->data;
        else
-               priv = match->data;
+               priv = of_device_get_match_data(&pdev->dev);
 
        irq = platform_get_irq(pdev, 0);
        if (irq < 0) {