diff options
Diffstat (limited to 'target/linux/ar71xx/patches-3.10/101-MIPS-ath79-simplify-platform_get_resource_byname-dev.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-3.10/101-MIPS-ath79-simplify-platform_get_resource_byname-dev.patch | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-3.10/101-MIPS-ath79-simplify-platform_get_resource_byname-dev.patch b/target/linux/ar71xx/patches-3.10/101-MIPS-ath79-simplify-platform_get_resource_byname-dev.patch new file mode 100644 index 0000000000..04e2a25467 --- /dev/null +++ b/target/linux/ar71xx/patches-3.10/101-MIPS-ath79-simplify-platform_get_resource_byname-dev.patch @@ -0,0 +1,70 @@ +From 59a93f8909b8ab5d61e024e8b3771fdf94a774f0 Mon Sep 17 00:00:00 2001 +From: Julia Lawall <Julia.Lawall@lip6.fr> +Date: Mon, 19 Aug 2013 10:51:56 +0200 +Subject: [PATCH] MIPS: ath79: simplify platform_get_resource_byname/devm_ioremap_resource + +Remove unneeded error handling on the result of a call to +platform_get_resource_byname when the value is passed to devm_ioremap_resource. + +A simplified version of the semantic patch that makes this change is as +follows: (http://coccinelle.lip6.fr/) + +// <smpl> +@@ +expression pdev,res,e,e1; +expression ret != 0; +identifier l; +@@ + + res = platform_get_resource_byname(...); +- if (res == NULL) { ... \(goto l;\|return ret;\) } + e = devm_ioremap_resource(e1, res); +// </smpl> + +Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> +Acked-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar71xx.c | 3 --- + arch/mips/pci/pci-ar724x.c | 9 --------- + 2 files changed, 12 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -363,9 +363,6 @@ static int ar71xx_pci_probe(struct platf + spin_lock_init(&apc->lock); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); +- if (!res) +- return -EINVAL; +- + apc->cfg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(apc->cfg_base)) + return PTR_ERR(apc->cfg_base); +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -362,25 +362,16 @@ static int ar724x_pci_probe(struct platf + return -ENOMEM; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); +- if (!res) +- return -EINVAL; +- + apc->ctrl_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(apc->ctrl_base)) + return PTR_ERR(apc->ctrl_base); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); +- if (!res) +- return -EINVAL; +- + apc->devcfg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(apc->devcfg_base)) + return PTR_ERR(apc->devcfg_base); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base"); +- if (!res) +- return -EINVAL; +- + apc->crp_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(apc->crp_base)) + return PTR_ERR(apc->crp_base); |