Merge branch 'acpi-bind'

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / spi / spi-orion.c

diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 5d90beb..1d1d321 100644 (file)
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -19,6 +19,7 @@
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/clk.h>
+#include <linux/sizes.h>
 #include <asm/unaligned.h>
 
 #define DRIVER_NAME                    "orion_spi"
@@ -446,30 +447,22 @@ 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 +475,6 @@ out:
 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 +483,6 @@ 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;