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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2018-11-01 17:57:55 +0100 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2018-12-15 12:50:06 +0100 |
| commit | 52a82ce3dd901a1536c7d7d9d963e9c2d761c816 (patch) | |
| tree | 79020fb59420fcea7bdc4b12272f7251e101fe64 /target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch | |
| parent | a272af75cd8c67d265400f96c1e6bb172315c23c (diff) | |
| download | upstream-52a82ce3dd901a1536c7d7d9d963e9c2d761c816.tar.gz upstream-52a82ce3dd901a1536c7d7d9d963e9c2d761c816.tar.bz2 upstream-52a82ce3dd901a1536c7d7d9d963e9c2d761c816.zip | |
kernel: Copy patches from kernel 4.14 to 4.19
This just copies the files from the kernel 4.14 specific folders into
the kernel 4.19 specific folder, no changes are done to the files in
this commit.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch')
| -rw-r--r-- | target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch b/target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch new file mode 100644 index 0000000000..d54c284c34 --- /dev/null +++ b/target/linux/generic/pending-4.19/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch @@ -0,0 +1,68 @@ +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Subject: [PATCH] mtd: bcm47xxpart: check for bad blocks when calculating offsets + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +--- + +--- a/drivers/mtd/parsers/parser_trx.c ++++ b/drivers/mtd/parsers/parser_trx.c +@@ -29,6 +29,33 @@ struct trx_header { + uint32_t offset[3]; + } __packed; + ++/* ++ * Calculate real end offset (address) for a given amount of data. It checks ++ * all blocks skipping bad ones. ++ */ ++static size_t parser_trx_real_offset(struct mtd_info *mtd, size_t bytes) ++{ ++ size_t real_offset = 0; ++ ++ if (mtd_block_isbad(mtd, real_offset)) ++ pr_warn("Base offset shouldn't be at bad block"); ++ ++ while (bytes >= mtd->erasesize) { ++ bytes -= mtd->erasesize; ++ real_offset += mtd->erasesize; ++ while (mtd_block_isbad(mtd, real_offset)) { ++ real_offset += mtd->erasesize; ++ ++ if (real_offset >= mtd->size) ++ return real_offset - mtd->erasesize; ++ } ++ } ++ ++ real_offset += bytes; ++ ++ return real_offset; ++} ++ + static const char *parser_trx_data_part_name(struct mtd_info *master, + size_t offset) + { +@@ -83,21 +110,21 @@ static int parser_trx_parse(struct mtd_i + if (trx.offset[2]) { + part = &parts[curr_part++]; + part->name = "loader"; +- part->offset = trx.offset[i]; ++ part->offset = parser_trx_real_offset(mtd, trx.offset[i]); + i++; + } + + if (trx.offset[i]) { + part = &parts[curr_part++]; + part->name = "linux"; +- part->offset = trx.offset[i]; ++ part->offset = parser_trx_real_offset(mtd, trx.offset[i]); + i++; + } + + if (trx.offset[i]) { + part = &parts[curr_part++]; +- part->name = parser_trx_data_part_name(mtd, trx.offset[i]); +- part->offset = trx.offset[i]; ++ part->offset = parser_trx_real_offset(mtd, trx.offset[i]); ++ part->name = parser_trx_data_part_name(mtd, part->offset); + i++; + } + |