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mtd: partitions: redboot: seek fis-index-block in the right node 

[ Upstream commit 237960880960863fb41888763d635b384cffb104 ]

fis-index-block is seeked in the master node and not in the partitions node.
For following binding and current usage, the driver need to check the
partitions subnode.

Fixes: c0e118c8a1 ("mtd: partitions: Add OF support to RedBoot partitions")
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210520114851.1274609-1-clabbe@baylibre.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Corentin Labbe 2021-05-20 11:48:50 +00:00 committed by Greg Kroah-Hartman
parent 56c6c7f8ab
commit 6490ed7c46
1 changed files with 6 additions and 1 deletions
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7
drivers/mtd/parsers/redboot.c
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@ -45,6 +45,7 @@ static inline int redboot_checksum(struct fis_image_desc *img)
static void parse_redboot_of(struct mtd_info *master)
{
struct device_node *np;
struct device_node *npart;
u32 dirblock;
int ret;
@ -52,7 +53,11 @@ static void parse_redboot_of(struct mtd_info *master)
if (!np)
return;
ret = of_property_read_u32(np, "fis-index-block", &dirblock);
npart = of_get_child_by_name(np, "partitions");
if (!npart)
return;
ret = of_property_read_u32(npart, "fis-index-block", &dirblock);
if (ret)
return;