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generic: sync mtd rootfs hack with part_bits

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In commit ab143647ef ("kernel: generic: improve FIT partition parser")
part_bits was bumped to 2 in order to allow up to 3 additional FIT
sub-images mapped into sub-partitions.
This change has to be reflected also in our local patch
420-mtd-set-rootfs-to-be-root-dev.patch
which still assumed part_bits==1 for mtdblock devices in case of
CONFIG_FIT_PARTITION=y.

Fixes: #9557
Fixes: ab143647ef ("kernel: generic: improve FIT partition parser")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 13960fb0e0)
This commit is contained in:
Daniel Golle 2022-03-26 22:51:21 +00:00
parent 38847ebee0
commit bb596031fa
1 changed files with 1 additions and 1 deletions
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target/linux/generic/hack-5.10/420-mtd-set-rootfs-to-be-root-dev.patch
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@ -32,7 +32,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+ pr_notice("mtd: device %d (%s) set to be root filesystem\n",
+ mtd->index, mtd->name);
+#ifdef CONFIG_FIT_PARTITION
+ index <<= 1;
+ index <<= 2;
+#endif
+ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, index);
+ }