From: Wolfram Sang <wsa@the-dreams.de>
Date: Tue, 14 Jan 2014 11:58:53 +0000 (+0100)
Subject: drivers/amba: don't check resource with devm_ioremap_resource
X-Git-Tag: v3.15-rc1~76^2~4^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3cb3316cf7e817c39289c9ce17dcce2fabebb086;p=platform%2Fkernel%2Flinux-exynos.git

drivers/amba: don't check resource with devm_ioremap_resource

devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
---

diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index 1f44e56..558a239 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -256,8 +256,6 @@ static int tegra_ahb_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
 	ahb->regs = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(ahb->regs))
 		return PTR_ERR(ahb->regs);