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pinctrl: pxa3xx: Use devm_request_and_ioremap 

Use managed resources API to simplify the code.
Also ensure we do request mem_region before ioremap.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Axel Lin 2012-11-12 14:45:50 +08:00 committed by Linus Walleij
parent 507ccdbfd8
commit 9387760db2
1 changed files with 2 additions and 8 deletions
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10
drivers/pinctrl/pinctrl-pxa3xx.c
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@ -173,7 +173,6 @@ int pxa3xx_pinctrl_register(struct platform_device *pdev,
{
struct pinctrl_desc *desc;
struct resource *res;
int ret = 0;
if (!info || !info->cputype)
return -EINVAL;
@ -190,21 +189,17 @@ int pxa3xx_pinctrl_register(struct platform_device *pdev,
return -ENOENT;
info->phy_base = res->start;
info->phy_size = resource_size(res);
info->virt_base = ioremap(info->phy_base, info->phy_size);
info->virt_base = devm_request_and_ioremap(&pdev->dev, res);
if (!info->virt_base)
return -ENOMEM;
info->pctrl = pinctrl_register(desc, &pdev->dev, info);
if (!info->pctrl) {
dev_err(&pdev->dev, "failed to register PXA pinmux driver\n");
ret = -EINVAL;
goto err;
return -EINVAL;
}
pinctrl_add_gpio_range(info->pctrl, &pxa3xx_pinctrl_gpio_range);
platform_set_drvdata(pdev, info);
return 0;
err:
iounmap(info->virt_base);
return ret;
}
int pxa3xx_pinctrl_unregister(struct platform_device *pdev)
@ -212,7 +207,6 @@ int pxa3xx_pinctrl_unregister(struct platform_device *pdev)
struct pxa3xx_pinmux_info *info = platform_get_drvdata(pdev);
pinctrl_unregister(info->pctrl);
iounmap(info->virt_base);
platform_set_drvdata(pdev, NULL);
return 0;
}