[MTD] replace kmalloc+memset with kzalloc
[linux-2.6.git] / drivers / mtd / maps / integrator-flash.c
index 5496146..6946d80 100644 (file)
@@ -26,7 +26,6 @@
 
 ======================================================================*/
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -67,9 +66,8 @@ static void armflash_set_vpp(struct map_info *map, int on)
 
 static const char *probes[] = { "cmdlinepart", "RedBoot", "afs", NULL };
 
-static int armflash_probe(struct device *_dev)
+static int armflash_probe(struct platform_device *dev)
 {
-       struct platform_device *dev = to_platform_device(_dev);
        struct flash_platform_data *plat = dev->dev.platform_data;
        struct resource *res = dev->resource;
        unsigned int size = res->end - res->start + 1;
@@ -77,14 +75,12 @@ static int armflash_probe(struct device *_dev)
        int err;
        void __iomem *base;
 
-       info = kmalloc(sizeof(struct armflash_info), GFP_KERNEL);
+       info = kzalloc(sizeof(struct armflash_info), GFP_KERNEL);
        if (!info) {
                err = -ENOMEM;
                goto out;
        }
 
-       memset(info, 0, sizeof(struct armflash_info));
-
        info->plat = plat;
        if (plat && plat->init) {
                err = plat->init();
@@ -138,7 +134,7 @@ static int armflash_probe(struct device *_dev)
        }
 
        if (err == 0)
-               dev_set_drvdata(&dev->dev, info);
+               platform_set_drvdata(dev, info);
 
        /*
         * If we got an error, free all resources.
@@ -148,8 +144,7 @@ static int armflash_probe(struct device *_dev)
                        del_mtd_partitions(info->mtd);
                        map_destroy(info->mtd);
                }
-               if (info->parts)
-                       kfree(info->parts);
+               kfree(info->parts);
 
  no_device:
                iounmap(base);
@@ -164,20 +159,18 @@ static int armflash_probe(struct device *_dev)
        return err;
 }
 
-static int armflash_remove(struct device *_dev)
+static int armflash_remove(struct platform_device *dev)
 {
-       struct platform_device *dev = to_platform_device(_dev);
-       struct armflash_info *info = dev_get_drvdata(&dev->dev);
+       struct armflash_info *info = platform_get_drvdata(dev);
 
-       dev_set_drvdata(&dev->dev, NULL);
+       platform_set_drvdata(dev, NULL);
 
        if (info) {
                if (info->mtd) {
                        del_mtd_partitions(info->mtd);
                        map_destroy(info->mtd);
                }
-               if (info->parts)
-                       kfree(info->parts);
+               kfree(info->parts);
 
                iounmap(info->map.virt);
                release_resource(info->res);
@@ -192,21 +185,22 @@ static int armflash_remove(struct device *_dev)
        return 0;
 }
 
-static struct device_driver armflash_driver = {
-       .name           = "armflash",
-       .bus            = &platform_bus_type,
+static struct platform_driver armflash_driver = {
        .probe          = armflash_probe,
        .remove         = armflash_remove,
+       .driver         = {
+               .name   = "armflash",
+       },
 };
 
 static int __init armflash_init(void)
 {
-       return driver_register(&armflash_driver);
+       return platform_driver_register(&armflash_driver);
 }
 
 static void __exit armflash_exit(void)
 {
-       driver_unregister(&armflash_driver);
+       platform_driver_unregister(&armflash_driver);
 }
 
 module_init(armflash_init);