mmc: sdhci-pltfm: use devm_ioremap_resource()

The chain of devm_request_mem_region() and devm_ioremap() can be
replaced with devm_ioremap_resource().  Also, we can drop the error
messages because devm_ioremap_resource() displays similar messages
on error.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 5213287..caa05d7 100644 (file)
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -152,19 +152,9 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
                goto err_request;
        }
 
-       if (!devm_request_mem_region(&pdev->dev, iomem->start,
-                                    resource_size(iomem),
-                                    mmc_hostname(host->mmc))) {
-               dev_err(&pdev->dev, "cannot request region\n");
-               ret = -EBUSY;
-               goto err_request;
-       }
-
-       host->ioaddr = devm_ioremap(&pdev->dev, iomem->start,
-                                   resource_size(iomem));
-       if (!host->ioaddr) {
-               dev_err(&pdev->dev, "failed to remap registers\n");
-               ret = -ENOMEM;
+       host->ioaddr = devm_ioremap_resource(&pdev->dev, iomem);
+       if (IS_ERR(host->ioaddr)) {
+               ret = PTR_ERR(host->ioaddr);
                goto err_request;
        }