hsi: controllers:remove redundant code

Use devm_ioremap_resource() in order to make the code simpler,
and remove redundant return value check of platform_get_resource()
because this value is alreadytaken care by devm_ioremap_resource()

Signed-off-by: Sanjeev Sharma <sanjeev_sharma@mentor.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

1 files changed, 4 insertions, 17 deletions

diff --git a/drivers/hsi/controllers/omap_ssi.c b/drivers/hsi/controllers/omap_ssi.c
index 089c6c3feb3e..f6d3100b7a32 100644
--- a/drivers/hsi/controllers/omap_ssi.c
+++ b/drivers/hsi/controllers/omap_ssi.c
@@ -295,27 +295,14 @@ static int __init ssi_get_iomem(struct platform_device *pd,
                 const char *name, void __iomem **pbase, dma_addr_t *phy)
 {
         struct resource *mem;
-        struct resource *ioarea;
         void __iomem *base;
         struct hsi_controller *ssi = platform_get_drvdata(pd);
 
         mem = platform_get_resource_byname(pd, IORESOURCE_MEM, name);
-        if (!mem) {
-                dev_err(&pd->dev, "IO memory region missing (%s)\n", name);
-                return -ENXIO;
-        }
-        ioarea = devm_request_mem_region(&ssi->device, mem->start,
-                                        resource_size(mem), dev_name(&pd->dev));
-        if (!ioarea) {
-                dev_err(&pd->dev, "%s IO memory region request failed\n",
-                                                                mem->name);
-                return -ENXIO;
-        }
-        base = devm_ioremap(&ssi->device, mem->start, resource_size(mem));
-        if (!base) {
-                dev_err(&pd->dev, "%s IO remap failed\n", mem->name);
-                return -ENXIO;
-        }
+        base = devm_ioremap_resource(&ssi->device, mem);
+        if (IS_ERR(base))
+                return PTR_ERR(base);
+
         *pbase = base;
 
         if (phy)