spi: s3c64xx: clean up runtime PM if driver registration fails

Fix missing runtime PM cleanup if driver registration fails.
Signed-off-by: NHeiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/spi-s3c64xx.c

@@ -1186,7 +1186,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
 	ret = devm_spi_register_master(&pdev->dev, master);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "cannot register SPI master: %d\n", ret);
-		goto err3;
+		goto err4;
 	}
 
 	dev_dbg(&pdev->dev, "Samsung SoC SPI Driver loaded for Bus SPI-%d with %d Slaves attached\n",
@@ -1197,6 +1197,9 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
 
 	return 0;
 
+err4:
+	pm_runtime_disable(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
 err3:
 	clk_disable_unprepare(sdd->src_clk);
 err2: