spi/orion: Convert to devm_ioremap_resource()

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Andrew Lunn <andrew@lunn.ch>

drivers/spi/spi-orion.c

@@ -446,30 +446,22 @@ static int orion_spi_probe(struct platform_device *pdev)
 	spi->min_speed = DIV_ROUND_UP(tclk_hz, 30);
 
 	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (r == NULL) {
-		status = -ENODEV;
+	spi->base = devm_ioremap_resource(&pdev->dev, r);
+	if (IS_ERR(spi->base)) {
+		status = PTR_ERR(spi->base);
 		goto out_rel_clk;
 	}
 
-	if (!request_mem_region(r->start, resource_size(r),
-				dev_name(&pdev->dev))) {
-		status = -EBUSY;
-		goto out_rel_clk;
-	}
-	spi->base = ioremap(r->start, SZ_1K);
-
 	if (orion_spi_reset(spi) < 0)
-		goto out_rel_mem;
+		goto out_rel_clk;
 
 	master->dev.of_node = pdev->dev.of_node;
 	status = spi_register_master(master);
 	if (status < 0)
-		goto out_rel_mem;
+		goto out_rel_clk;
 
 	return status;
 
-out_rel_mem:
-	release_mem_region(r->start, resource_size(r));
 out_rel_clk:
 	clk_disable_unprepare(spi->clk);
 	clk_put(spi->clk);
@@ -482,7 +474,6 @@ static int orion_spi_probe(struct platform_device *pdev)
 static int orion_spi_remove(struct platform_device *pdev)
 {
 	struct spi_master *master;
-	struct resource *r;
 	struct orion_spi *spi;
 
 	master = platform_get_drvdata(pdev);
@@ -491,9 +482,6 @@ static int orion_spi_remove(struct platform_device *pdev)
 	clk_disable_unprepare(spi->clk);
 	clk_put(spi->clk);
 
-	r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(r->start, resource_size(r));
-
 	spi_unregister_master(master);
 
 	return 0;