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rtc: Convert to devm_ioremap_resource()

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Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thierry Reding 2013-01-21 11:09:17 +01:00 committed by Greg Kroah-Hartman
parent 6d4294d163
commit 8cbce1e5f0
4 changed files with 12 additions and 18 deletions
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8
drivers/rtc/rtc-s3c.c
View File

@ -486,11 +486,9 @@ static int s3c_rtc_probe(struct platform_device *pdev)
return -ENOENT;
}
s3c_rtc_base = devm_request_and_ioremap(&pdev->dev, res);
if (s3c_rtc_base == NULL) {
dev_err(&pdev->dev, "failed to ioremap memory region\n");
return -EINVAL;
}
s3c_rtc_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(s3c_rtc_base))
return PTR_ERR(s3c_rtc_base);
rtc_clk = devm_clk_get(&pdev->dev, "rtc");
if (IS_ERR(rtc_clk)) {

6
drivers/rtc/rtc-snvs.c
View File

@ -252,9 +252,9 @@ static int snvs_rtc_probe(struct platform_device *pdev)
return -ENOMEM;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
data->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
if (!data->ioaddr)
return -EADDRNOTAVAIL;
data->ioaddr = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(data->ioaddr))
return PTR_ERR(data->ioaddr);
data->irq = platform_get_irq(pdev, 0);
if (data->irq < 0)

8
drivers/rtc/rtc-spear.c
View File

@ -385,11 +385,9 @@ static int spear_rtc_probe(struct platform_device *pdev)
return status;
}
config->ioaddr = devm_request_and_ioremap(&pdev->dev, res);
if (!config->ioaddr) {
dev_err(&pdev->dev, "request-ioremap fail\n");
return -ENOMEM;
}
config->ioaddr = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(config->ioaddr))
return PTR_ERR(config->ioaddr);
config->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(config->clk))

8
drivers/rtc/rtc-tegra.c
View File

@ -327,11 +327,9 @@ static int tegra_rtc_probe(struct platform_device *pdev)
return -EBUSY;
}
info->rtc_base = devm_request_and_ioremap(&pdev->dev, res);
if (!info->rtc_base) {
dev_err(&pdev->dev, "Unable to request mem region and grab IOs for device.\n");
return -EBUSY;
}
info->rtc_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(info->rtc_base))
return PTR_ERR(info->rtc_base);
info->tegra_rtc_irq = platform_get_irq(pdev, 0);
if (info->tegra_rtc_irq <= 0)