leds: leds-fsg: use devm_ioremap

The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_ioremap() for these functions.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

1 files changed, 5 insertions, 10 deletions

diff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
index b9053fa6e253..b4d5a44cc41b 100644
--- a/drivers/leds/leds-fsg.c
+++ b/drivers/leds/leds-fsg.c
@@ -20,8 +20,8 @@
 #include <linux/platform_device.h>
 #include <linux/leds.h>
 #include <linux/module.h>
+#include <linux/io.h>
 #include <mach/hardware.h>
-#include <asm/io.h>
 
 #define FSG_LED_WLAN_BIT        0
 #define FSG_LED_WAN_BIT         1
@@ -149,11 +149,10 @@ static int fsg_led_probe(struct platform_device *pdev)
         int ret;
 
         /* Map the LED chip select address space */
-        latch_address = (unsigned short *) ioremap(IXP4XX_EXP_BUS_BASE(2), 512);
-        if (!latch_address) {
-                ret = -ENOMEM;
-                goto failremap;
-        }
+        latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
+                                                IXP4XX_EXP_BUS_BASE(2), 512);
+        if (!latch_address)
+                return -ENOMEM;
 
         latch_value = 0xffff;
         *latch_address = latch_value;
@@ -195,8 +194,6 @@ static int fsg_led_probe(struct platform_device *pdev)
  failwan:
         led_classdev_unregister(&fsg_wlan_led);
  failwlan:
-        iounmap(latch_address);
- failremap:
 
         return ret;
 }
@@ -210,8 +207,6 @@ static int fsg_led_remove(struct platform_device *pdev)
         led_classdev_unregister(&fsg_sync_led);
         led_classdev_unregister(&fsg_ring_led);
 
-        iounmap(latch_address);
-
         return 0;
 }