diff options
Diffstat (limited to 'target/linux/generic/patches-4.1/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch')
-rw-r--r-- | target/linux/generic/patches-4.1/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/target/linux/generic/patches-4.1/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch b/target/linux/generic/patches-4.1/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch deleted file mode 100644 index 5ad82f1f51..0000000000 --- a/target/linux/generic/patches-4.1/431-mtd-bcm47xxpart-check-for-bad-blocks-when-calculatin.patch +++ /dev/null @@ -1,100 +0,0 @@ -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sat, 2 Jan 2016 01:04:52 +0100 -Subject: [PATCH] mtd: bcm47xxpart: check for bad blocks when calculating - offsets -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> ---- - drivers/mtd/bcm47xxpart.c | 50 +++++++++++++++++++++++++++++++++++++---------- - 1 file changed, 40 insertions(+), 10 deletions(-) - ---- a/drivers/mtd/bcm47xxpart.c -+++ b/drivers/mtd/bcm47xxpart.c -@@ -61,6 +61,34 @@ static void bcm47xxpart_add_part(struct - part->mask_flags = mask_flags; - } - -+/* -+ * Calculate real end offset (address) for a given amount of data. It checks -+ * all blocks skipping bad ones. -+ */ -+static size_t bcm47xxpart_real_offset(struct mtd_info *master, size_t offset, -+ size_t bytes) -+{ -+ size_t real_offset = offset; -+ -+ if (mtd_block_isbad(master, real_offset)) -+ pr_warn("Base offset shouldn't be at bad block"); -+ -+ while (bytes >= master->erasesize) { -+ bytes -= master->erasesize; -+ real_offset += master->erasesize; -+ while (mtd_block_isbad(master, real_offset)) { -+ real_offset += master->erasesize; -+ -+ if (real_offset >= master->size) -+ return real_offset - master->erasesize; -+ } -+ } -+ -+ real_offset += bytes; -+ -+ return real_offset; -+} -+ - static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master, - size_t offset) - { -@@ -182,6 +210,8 @@ static int bcm47xxpart_parse(struct mtd_ - - /* TRX */ - if (buf[0x000 / 4] == TRX_MAGIC) { -+ uint32_t tmp; -+ - if (BCM47XXPART_MAX_PARTS - curr_part < 4) { - pr_warn("Not enough partitions left to register trx, scanning stopped!\n"); - break; -@@ -196,18 +226,18 @@ static int bcm47xxpart_parse(struct mtd_ - i = 0; - /* We have LZMA loader if offset[2] points to sth */ - if (trx->offset[2]) { -+ tmp = bcm47xxpart_real_offset(master, offset, -+ trx->offset[i]); - bcm47xxpart_add_part(&parts[curr_part++], -- "loader", -- offset + trx->offset[i], -- 0); -+ "loader", tmp, 0); - i++; - } - - if (trx->offset[i]) { -+ tmp = bcm47xxpart_real_offset(master, offset, -+ trx->offset[i]); - bcm47xxpart_add_part(&parts[curr_part++], -- "linux", -- offset + trx->offset[i], -- 0); -+ "linux", tmp, 0); - i++; - } - -@@ -219,11 +249,11 @@ static int bcm47xxpart_parse(struct mtd_ - if (trx->offset[i]) { - const char *name; - -- name = bcm47xxpart_trx_data_part_name(master, offset + trx->offset[i]); -+ tmp = bcm47xxpart_real_offset(master, offset, -+ trx->offset[i]); -+ name = bcm47xxpart_trx_data_part_name(master, tmp); - bcm47xxpart_add_part(&parts[curr_part++], -- name, -- offset + trx->offset[i], -- 0); -+ name, tmp, 0); - i++; - } - |