[PATCH v2 3/7] mmc: sdhci-pltfm: use devm_request_mem_region()

Masahiro Yamada
2016-04-20T02:15:57Z

Use the managed variant of request_mem_region().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

Changes in v2: None

drivers/mmc/host/sdhci-pltfm.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 24377a3..8527a7c 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -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);
--
1.9.1