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linux-sg2042
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mmc: sdhci-pltfm: use devm_request_mem_region() 

Use the managed variant of request_mem_region().

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>
This commit is contained in:
Masahiro Yamada 2016-04-20 11:16:27 +09:00 committed by Ulf Hansson
parent 0a782cb1fc
commit e95f644d8b
1 changed files with 4 additions and 7 deletions
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11
drivers/mmc/host/sdhci-pltfm.c
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@ -152,8 +152,9 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
goto err_request;
}
if (!request_mem_region(iomem->start, resource_size(iomem),
mmc_hostname(host->mmc))) {
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;
@ -163,7 +164,7 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
if (!host->ioaddr) {
dev_err(&pdev->dev, "failed to remap registers\n");
ret = -ENOMEM;
goto err_remap;
goto err_request;
}
/*
@ -177,8 +178,6 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
return host;
err_remap:
release_mem_region(iomem->start, resource_size(iomem));
err_request:
sdhci_free_host(host);
err:
@ -190,10 +189,8 @@ EXPORT_SYMBOL_GPL(sdhci_pltfm_init);
void sdhci_pltfm_free(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct resource *iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
iounmap(host->ioaddr);
release_mem_region(iomem->start, resource_size(iomem));
sdhci_free_host(host);
}
EXPORT_SYMBOL_GPL(sdhci_pltfm_free);