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authorValentine Barshak <vbarshak@ru.mvista.com>2007-10-29 23:29:02 +0300
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-30 08:54:39 -0400
commit4edaf56e0f8a6f71e3361bf74e3dc835811761e6 (patch)
treea0ba7f93a4d6f787462ba95debe0353b77277151 /drivers/mtd
parenta25b7fee537ab4dbc6eb301bd455ee8d01b707f6 (diff)
MTD: small physmap_of partition parsing fixes
Use of_get_next_child for proper ref counting as suggested by Stephen Rothwell and remove add_mtd_partitions from parse_partitions to avoid duplicate mtd device registration for RedBoot partitions. Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Heckled-for-on-IRC-by: Josh Boyer <jwboyer@linux.vnet.ibm.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/maps/physmap_of.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/mtd/maps/physmap_of.c b/drivers/mtd/maps/physmap_of.c
index aeed9ea7971..d4bcd3f8c57 100644
--- a/drivers/mtd/maps/physmap_of.c
+++ b/drivers/mtd/maps/physmap_of.c
@@ -94,14 +94,13 @@ static int __devinit parse_partitions(struct of_flash *info,
* line, these take precedence over device tree information */
nr_parts = parse_mtd_partitions(info->mtd, part_probe_types,
&info->parts, 0);
- if (nr_parts > 0) {
- add_mtd_partitions(info->mtd, info->parts, nr_parts);
- return 0;
- }
+ if (nr_parts > 0)
+ return nr_parts;
/* First count the subnodes */
nr_parts = 0;
- for (pp = dp->child; pp; pp = pp->sibling)
+ for (pp = of_get_next_child(dp, NULL); pp;
+ pp = of_get_next_child(dp, pp))
nr_parts++;
if (nr_parts == 0)
@@ -112,12 +111,14 @@ static int __devinit parse_partitions(struct of_flash *info,
if (!info->parts)
return -ENOMEM;
- for (pp = dp->child, i = 0; pp; pp = pp->sibling, i++) {
+ for (pp = of_get_next_child(dp, NULL), i = 0; pp;
+ pp = of_get_next_child(dp, pp), i++) {
const u32 *reg;
int len;
reg = of_get_property(pp, "reg", &len);
if (!reg || (len != 2*sizeof(u32))) {
+ of_node_put(pp);
dev_err(&dev->dev, "Invalid 'reg' on %s\n",
dp->full_name);
kfree(info->parts);