linux-kernel - [PATCH 13/27] drivers/pci/host: don't check resource with devm_ioremap

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Date:	Tue, 23 Jul 2013 20:01:46 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	linux-kernel@...r.kernel.org
Cc:	Wolfram Sang <wsa@...-dreams.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org
Subject: [PATCH 13/27] drivers/pci/host: 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@...-dreams.de>
---
Please apply via the subsystem-tree.

 drivers/pci/host/pcie-designware.c |   12 ------------
 1 file changed, 12 deletions(-)

diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
index 26bdbda..f0ba6ef 100644
--- a/drivers/pci/host/pcie-designware.c
+++ b/drivers/pci/host/pcie-designware.c
@@ -817,28 +817,16 @@ static int add_pcie_port(struct pcie_port *pp, struct platform_device *pdev)
 	int ret;
 
 	elbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!elbi_base) {
-		dev_err(&pdev->dev, "couldn't get elbi base resource\n");
-		return -EINVAL;
-	}
 	pp->elbi_base = devm_ioremap_resource(&pdev->dev, elbi_base);
 	if (IS_ERR(pp->elbi_base))
 		return PTR_ERR(pp->elbi_base);
 
 	phy_base = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!phy_base) {
-		dev_err(&pdev->dev, "couldn't get phy base resource\n");
-		return -EINVAL;
-	}
 	pp->phy_base = devm_ioremap_resource(&pdev->dev, phy_base);
 	if (IS_ERR(pp->phy_base))
 		return PTR_ERR(pp->phy_base);
 
 	purple_base = platform_get_resource(pdev, IORESOURCE_MEM, 2);
-	if (!purple_base) {
-		dev_err(&pdev->dev, "couldn't get purple base resource\n");
-		return -EINVAL;
-	}
 	pp->purple_base = devm_ioremap_resource(&pdev->dev, purple_base);
 	if (IS_ERR(pp->purple_base))
 		return PTR_ERR(pp->purple_base);
-- 
1.7.10.4

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