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mmc: sdhci-pltfm: call platform_get_irq() before sdhci_alloc_host() 

Swap the call order of sdhci_alloc_host() and platform_get_irq().
It makes sdhci_alloc_host() the last function that can fail in the
sdhci_pltfm_init().  So, we can drop the sdhci_free_host() call from
the failure path.

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 11:16:31 +09:00 committed by Ulf Hansson
parent 378382b8d0
commit 5c59065be5
1 changed files with 9 additions and 11 deletions
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20
drivers/mmc/host/sdhci-pltfm.c
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@ -120,7 +120,7 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
struct sdhci_host *host;
struct resource *iomem;
void __iomem *ioaddr;
int ret;
int irq, ret;
iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
ioaddr = devm_ioremap_resource(&pdev->dev, iomem);
@ -129,6 +129,13 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
goto err;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "failed to get IRQ number\n");
ret = irq;
goto err;
}
host = sdhci_alloc_host(&pdev->dev,
sizeof(struct sdhci_pltfm_host) + priv_size);
@ -138,6 +145,7 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
}
host->ioaddr = ioaddr;
host->irq = irq;
host->hw_name = dev_name(&pdev->dev);
if (pdata && pdata->ops)
host->ops = pdata->ops;
@ -148,13 +156,6 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
host->quirks2 = pdata->quirks2;
}
host->irq = platform_get_irq(pdev, 0);
if (host->irq < 0) {
dev_err(&pdev->dev, "failed to get IRQ number\n");
ret = host->irq;
goto err_request;
}
/*
* Some platforms need to probe the controller to be able to
* determine which caps should be used.
@ -165,9 +166,6 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
platform_set_drvdata(pdev, host);
return host;
err_request:
sdhci_free_host(host);
err:
dev_err(&pdev->dev, "%s failed %d\n", __func__, ret);
return ERR_PTR(ret);