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mtd: Update the way partitions are parsed

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In case mtd_info's dev field is not populated (raw nand's case),
use the flash_node new field which reference the DT flash node where
can be found "partitions" node with "fixed-partitions" compatible.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>

Cc: Farhan Ali <farhan.ali@broadcom.com>
Cc: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Marek Behun <marek.behun@nic.cz>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Patrice Chotard 2022-03-21 09:13:37 +01:00 • committed by Tom Rini
parent c86a4de8df
commit 7ab3364c6d
1 changed files with 6 additions and 2 deletions
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8
drivers/mtd/mtdpart.c
View file

@ -887,10 +887,14 @@ int add_mtd_partitions_of(struct mtd_info *master)
ofnode parts, child;
int i = 0;
if (!master->dev)
if (!master->dev && !ofnode_valid(master->flash_node))
return 0;
parts = ofnode_find_subnode(mtd_get_ofnode(master), "partitions");
if (master->dev)
parts = ofnode_find_subnode(mtd_get_ofnode(master), "partitions");
else
parts = ofnode_find_subnode(master->flash_node, "partitions");
if (!ofnode_valid(parts) || !ofnode_is_available(parts) ||
!ofnode_device_is_compatible(parts, "fixed-partitions"))
return 0;