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kernel: don't parse FIT partition on NAND-backed mtdblock

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ubiblock devices should be used on NAND flash to store the uImage.FIT
in case the bootloader supports that -- otherwise only rootfs is stored
in UBI while the uImage.FIT contains only the kernel and dtb.
Hence there is no need to enable parsing partitions on NAND mtdblock
devices, it is even responsible for the ugly warning on-opening of the
mtdblock device now. Just don't do it.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2022-04-30 15:14:01 +01:00
parent 27fac9c08f
commit 2acf355e56
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GPG Key ID: 5A8F39C31C3217CA
1 changed files with 3 additions and 4 deletions
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5
target/linux/generic/hack-5.15/410-block-fit-partition-parser.patch
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@ -112,13 +112,12 @@
dev->gd = gd;
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -345,6 +345,9 @@ int add_mtd_blktrans_dev(struct mtd_blkt
@@ -345,6 +345,8 @@ int add_mtd_blktrans_dev(struct mtd_blkt
gd->first_minor = (new->devnum) << tr->part_bits;
gd->minors = 1 << tr->part_bits;
gd->fops = &mtd_block_ops;
+#ifdef CONFIG_FIT_PARTITION
+ if (IS_ENABLED(CONFIG_FIT_PARTITION) && !mtd_type_is_nand(new->mtd))
+ gd->flags |= GENHD_FL_EXT_DEVT;
+#endif
if (tr->part_bits)
if (new->devnum < 26)