linux-kernel - [PATCH] pci: use newly introduced devm_ioremap

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Message-Id: <1363015477-29685-1-git-send-email-silviupopescu1990@gmail.com>
Date:	Mon, 11 Mar 2013 17:24:37 +0200
From:	Silviu-Mihai Popescu <silviupopescu1990@...il.com>
To:	linux-mips@...ux-mips.org
Cc:	ralf@...ux-mips.org, juhosg@...nwrt.org, blogic@...nwrt.org,
	kaloz@...nwrt.org, linux-kernel@...r.kernel.org,
	Silviu-Mihai Popescu <silviupopescu1990@...il.com>
Subject: [PATCH] pci: use newly introduced devm_ioremap_resource()

Convert all uses of devm_request_and_ioremap() to the newly introduced
devm_ioremap_resource() which provides more consistent error handling.

devm_ioremap_resource() provides its own error messages so all explicit
error messages can be removed from the failure code paths.

Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@...il.com>
---
 arch/mips/pci/pci-ar71xx.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/mips/pci/pci-ar71xx.c b/arch/mips/pci/pci-ar71xx.c
index 412ec02..18517dd 100644
--- a/arch/mips/pci/pci-ar71xx.c
+++ b/arch/mips/pci/pci-ar71xx.c
@@ -366,9 +366,9 @@ static int ar71xx_pci_probe(struct platform_device *pdev)
 	if (!res)
 		return -EINVAL;
 
-	apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!apc->cfg_base)
-		return -ENOMEM;
+	apc->cfg_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(apc->cfg_base))
+		return PTR_ERR(apc->cfg_base);
 
 	apc->irq = platform_get_irq(pdev, 0);
 	if (apc->irq < 0)
-- 
1.7.9.5

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