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Some devices use fixed partitioning with some partitions requiring some extra logic. E.g. BCM4908 may have multiple firmware partitions but detecting currently used one requires checking bootloader parameters. To support such cases without duplicating a lot of code (without copying most of the ofpart.c code) support for post-parsing callback was added. BCM4908 support in ofpart can be enabled using config option and results in compiling & executing a specific callback. It simply reads offset of currently used firmware partition from the DT. Bootloader specifies it using the "brcm_blparms" property. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/linux-mtd/20210301105823.31032-1-zajec5@gmail.com
15 lines
402 B
C
15 lines
402 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __BCM4908_PARTITIONS_H
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#define __BCM4908_PARTITIONS_H
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#ifdef CONFIG_MTD_OF_PARTS_BCM4908
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int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts);
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#else
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static inline int bcm4908_partitions_post_parse(struct mtd_info *mtd, struct mtd_partition *parts,
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int nr_parts)
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{
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return -EOPNOTSUPP;
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}
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#endif
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#endif
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