soc: mediatek: mtk-svs: Switch to platform_get_irq()

Instead of using irq_of_parse_and_map() to retrieve the interrupt from
devicetree, switch to platform_get_irq() instead: this function will
conveniently also write an error message in case the irq is not found.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220726141653.177948-3-angelogioacchino.delregno@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

drivers/soc/mediatek/mtk-svs.c

@@ -2306,8 +2306,7 @@ static struct svs_platform *svs_platform_probe(struct platform_device *pdev)
 static int svs_probe(struct platform_device *pdev)
 {
 	struct svs_platform *svsp;
-	unsigned int svsp_irq;
-	int ret;
+	int svsp_irq, ret;
 
 	svsp = svs_platform_probe(pdev);
 	if (IS_ERR(svsp))
@@ -2325,7 +2324,12 @@ static int svs_probe(struct platform_device *pdev)
 		goto svs_probe_free_resource;
 	}
 
-	svsp_irq = irq_of_parse_and_map(svsp->dev->of_node, 0);
+	svsp_irq = platform_get_irq(pdev, 0);
+	if (svsp_irq < 0) {
+		ret = svsp_irq;
+		goto svs_probe_free_resource;
+	}
+
 	ret = devm_request_threaded_irq(svsp->dev, svsp_irq, NULL, svs_isr,
 					svsp->irqflags | IRQF_ONESHOT,
 					svsp->name, svsp);