nvmem: rockchip-efuse: Make use of of_device_get_match_data()

Simplify code a bit by using of_device_get_match_data() instead of
of_match_device().

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Carlo Caione <carlo@caione.org>
Cc: Kevin Hilman <khilman@baylibre.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: cphealy@gmail.com
Cc: linux-kernel@vger.kernel.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-rockchip@lists.infradead.org
Cc: linux-amlogic@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/nvmem/rockchip-efuse.c

@@ -259,11 +259,11 @@ static int rockchip_efuse_probe(struct platform_device *pdev)
 	struct resource *res;
 	struct nvmem_device *nvmem;
 	struct rockchip_efuse_chip *efuse;
-	const struct of_device_id *match;
+	const void *data;
 	struct device *dev = &pdev->dev;
 
-	match = of_match_device(dev->driver->of_match_table, dev);
-	if (!match || !match->data) {
+	data = of_device_get_match_data(dev);
+	if (!data) {
 		dev_err(dev, "failed to get match data\n");
 		return -EINVAL;
 	}
@@ -286,7 +286,7 @@ static int rockchip_efuse_probe(struct platform_device *pdev)
 	if (of_property_read_u32(dev->of_node, "rockchip,efuse-size",
 				 &econfig.size))
 		econfig.size = resource_size(res);
-	econfig.reg_read = match->data;
+	econfig.reg_read = data;
 	econfig.priv = efuse;
 	econfig.dev = efuse->dev;
 	nvmem = devm_nvmem_register(dev, &econfig);