Messages in this thread Patch in this message | | | From | Julia Lawall <> | Subject | [PATCH 1/29] pinctrl: nomadik: simplify use of devm_ioremap_resource | Date | Wed, 14 Aug 2013 11:11:05 +0200 |
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From: Julia Lawall <Julia.Lawall@lip6.fr>
Remove unneeded error handling on the result of a call to platform_get_resource when the value is passed to devm_ioremap_resource.
Move the call to platform_get_resource adjacent to the call to devm_ioremap_resource to make the connection between them more clear.
A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/)
// <smpl> @@ expression pdev,res,n,e,e1; expression ret != 0; identifier l; @@
- res = platform_get_resource(pdev, IORESOURCE_MEM, n); ... when != res - if (res == NULL) { ... \(goto l;\|return ret;\) } ... when != res + res = platform_get_resource(pdev, IORESOURCE_MEM, n); e = devm_ioremap_resource(e1, res); // </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
--- drivers/pinctrl/pinctrl-nomadik.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index 89280bc..be126fc 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -1055,10 +1055,6 @@ static int nmk_gpio_probe(struct platform_device *dev) pdata->num_gpio = NMK_GPIO_PER_CHIP; } - res = platform_get_resource(dev, IORESOURCE_MEM, 0); - if (!res) - return -ENOENT; - irq = platform_get_irq(dev, 0); if (irq < 0) return irq; @@ -1067,6 +1063,7 @@ static int nmk_gpio_probe(struct platform_device *dev) if (secondary_irq >= 0 && !pdata->get_secondary_status) return -EINVAL; + res = platform_get_resource(dev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&dev->dev, res); if (IS_ERR(base)) return PTR_ERR(base);
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