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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>
wifi-calibration
Valentine Barshak 2007-10-29 23:29:02 +03:00 committed by David Woodhouse
parent a25b7fee53
commit 4edaf56e0f
1 changed files with 7 additions and 6 deletions
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13
drivers/mtd/maps/physmap_of.c
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@ -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);