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mmc: sh-mmcif: use devm_ for ioremap

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Start tidying the probe/release code by using devm_ioremap_resource() to
map the IO registers.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ben Dooks 2014-06-04 12:42:09 +01:00 committed by Ulf Hansson
parent ce7eb68875
commit 18f55fcc9d
1 changed files with 6 additions and 18 deletions
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24
drivers/mmc/host/sh_mmcif.c
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@ -1378,22 +1378,15 @@ static int sh_mmcif_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Get irq error\n");
return -ENXIO;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "platform_get_resource error.\n");
return -ENXIO;
}
reg = ioremap(res->start, resource_size(res));
if (!reg) {
dev_err(&pdev->dev, "ioremap error.\n");
return -ENOMEM;
}
reg = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(reg))
return PTR_ERR(reg);
mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
if (!mmc) {
ret = -ENOMEM;
goto ealloch;
}
if (!mmc)
return -ENOMEM;
ret = mmc_of_parse(mmc);
if (ret < 0)
@ -1498,8 +1491,6 @@ eclkget:
pm_runtime_disable(&pdev->dev);
eofparse:
mmc_free_host(mmc);
ealloch:
iounmap(reg);
return ret;
}
@ -1524,9 +1515,6 @@ static int sh_mmcif_remove(struct platform_device *pdev)
*/
cancel_delayed_work_sync(&host->timeout_work);
if (host->addr)
iounmap(host->addr);
irq[0] = platform_get_irq(pdev, 0);
irq[1] = platform_get_irq(pdev, 1);