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@avionic-design.de>
Cc: Anton Vorontsov <cbou@mail.ru>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c
index bf91489..c675553 100644 (file)
--- 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;