From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Mon, 4 Mar 2013 09:09:39 +0000 (+0530)
Subject: gpio/vt8500: Convert to devm_ioremap_resource()
X-Git-Tag: v3.10-rc1~78^2~34
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=808c513ee64be7cec6a7dcfff1687bc0995362bc;p=profile%2Fivi%2Fkernel-x86-ivi.git

gpio/vt8500: Convert to devm_ioremap_resource()

Use the newly introduced devm_ioremap_resource() instead of
devm_request_and_ioremap() 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: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-vt8500.c b/drivers/gpio/gpio-vt8500.c
index 81683ca..b2d8d6f 100644
--- a/drivers/gpio/gpio-vt8500.c
+++ b/drivers/gpio/gpio-vt8500.c
@@ -309,11 +309,9 @@ static int vt8500_gpio_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	gpio_base = devm_request_and_ioremap(&pdev->dev, res);
-	if (!gpio_base) {
-		dev_err(&pdev->dev, "Unable to map GPIO registers\n");
-		return -ENOMEM;
-	}
+	gpio_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(gpio_base))
+		return PTR_ERR(gpio_base);
 
 	ret = vt8500_add_chips(pdev, gpio_base, of_id->data);