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path: root/drivers/mtd/maps
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Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/physmap.c33
1 files changed, 18 insertions, 15 deletions
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 7d30f3524d35..e27051bc5dc6 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -38,7 +38,7 @@ static int physmap_flash_remove(struct platform_device *dev)
int i, err;
info = platform_get_drvdata(dev);
- if (info == NULL)
+ if (!info)
return 0;
physmap_data = dev_get_platdata(&dev->dev);
@@ -53,7 +53,7 @@ static int physmap_flash_remove(struct platform_device *dev)
}
for (i = 0; i < info->nmaps; i++) {
- if (info->mtds[i] != NULL)
+ if (info->mtds[i])
map_destroy(info->mtds[i]);
}
@@ -90,10 +90,12 @@ static void physmap_set_vpp(struct map_info *map, int state)
}
static const char * const rom_probe_types[] = {
- "cfi_probe", "jedec_probe", "qinfo_probe", "map_rom", NULL };
+ "cfi_probe", "jedec_probe", "qinfo_probe", "map_rom", NULL
+};
static const char * const part_probe_types[] = {
- "cmdlinepart", "RedBoot", "afs", NULL };
+ "cmdlinepart", "RedBoot", "afs", NULL
+};
static int physmap_flash_probe(struct platform_device *dev)
{
@@ -105,11 +107,10 @@ static int physmap_flash_probe(struct platform_device *dev)
int i;
physmap_data = dev_get_platdata(&dev->dev);
- if (physmap_data == NULL)
+ if (!physmap_data)
return -ENODEV;
- info = devm_kzalloc(&dev->dev, sizeof(struct physmap_flash_info),
- GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
@@ -163,13 +164,16 @@ static int physmap_flash_probe(struct platform_device *dev)
simple_map_init(&info->maps[i]);
probe_type = rom_probe_types;
- if (physmap_data->probe_type == NULL) {
- for (; info->mtds[i] == NULL && *probe_type != NULL; probe_type++)
- info->mtds[i] = do_map_probe(*probe_type, &info->maps[i]);
- } else
- info->mtds[i] = do_map_probe(physmap_data->probe_type, &info->maps[i]);
+ if (!physmap_data->probe_type) {
+ for (; !info->mtds[i] && *probe_type; probe_type++)
+ info->mtds[i] = do_map_probe(*probe_type,
+ &info->maps[i]);
+ } else {
+ info->mtds[i] = do_map_probe(physmap_data->probe_type,
+ &info->maps[i]);
+ }
- if (info->mtds[i] == NULL) {
+ if (!info->mtds[i]) {
dev_err(&dev->dev, "map_probe failed\n");
err = -ENXIO;
goto err_out;
@@ -185,7 +189,7 @@ static int physmap_flash_probe(struct platform_device *dev)
*/
info->cmtd = mtd_concat_create(info->mtds, info->nmaps,
dev_name(&dev->dev));
- if (info->cmtd == NULL)
+ if (!info->cmtd)
err = -ENXIO;
}
if (err)
@@ -231,7 +235,6 @@ static struct platform_driver physmap_flash_driver = {
},
};
-
#ifdef CONFIG_MTD_PHYSMAP_COMPAT
static struct physmap_flash_data physmap_flash_data = {
.width = CONFIG_MTD_PHYSMAP_BANKWIDTH,