linux-kernel - [PATCH 22/33] power: Convert to devm_ioremap

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Message-Id: <1358762966-20791-23-git-send-email-thierry.reding@avionic-design.de>
Date:	Mon, 21 Jan 2013 11:09:15 +0100
From:	Thierry Reding <thierry.reding@...onic-design.de>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Arnd Bergmann <arnd@...db.de>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Anton Vorontsov <cbou@...l.ru>,
	David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH 22/33] power: Convert to devm_ioremap_resource()

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

Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de>
Cc: Anton Vorontsov <cbou@...l.ru>
Cc: David Woodhouse <dwmw2@...radead.org>
---
 drivers/power/jz4740-battery.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c
index bf91489..c675553 100644
--- a/drivers/power/jz4740-battery.c
+++ b/drivers/power/jz4740-battery.c
@@ -22,6 +22,7 @@
 #include <linux/io.h>
 
 #include <linux/delay.h>
+#include <linux/err.h>
 #include <linux/gpio.h>
 #include <linux/mfd/core.h>
 #include <linux/power_supply.h>
@@ -266,9 +267,9 @@ static int jz_battery_probe(struct platform_device *pdev)
 
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	jz_battery->base = devm_request_and_ioremap(&pdev->dev, mem);
-	if (!jz_battery->base)
-		return -EBUSY;
+	jz_battery->base = devm_ioremap_resource(&pdev->dev, mem);
+	if (IS_ERR(jz_battery->base))
+		return PTR_ERR(jz_battery->base);
 
 	battery = &jz_battery->battery;
 	battery->name = pdata->info.name;
-- 
1.8.1.1

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