memory: tegra: Use of_device_get_match_data()

There is no need to match device with the DT node since it was already
matched, use of_device_get_match_data() helper to get the match-data.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

drivers/memory/tegra/mc.c

@@ -12,6 +12,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/sort.h>
@@ -619,23 +620,18 @@ static __maybe_unused irqreturn_t tegra20_mc_irq(int irq, void *data)
 
 static int tegra_mc_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct resource *res;
 	struct tegra_mc *mc;
 	void *isr;
 	int err;
 
-	match = of_match_node(tegra_mc_of_match, pdev->dev.of_node);
-	if (!match)
-		return -ENODEV;
-
 	mc = devm_kzalloc(&pdev->dev, sizeof(*mc), GFP_KERNEL);
 	if (!mc)
 		return -ENOMEM;
 
 	platform_set_drvdata(pdev, mc);
 	spin_lock_init(&mc->lock);
-	mc->soc = match->data;
+	mc->soc = of_device_get_match_data(&pdev->dev);
 	mc->dev = &pdev->dev;
 
 	/* length of MC tick in nanoseconds */