kernel: update bcm47xxpart failsafe partition patches
V2 using helper function was sent for upstream kernel Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
parent
593240075f
commit
7c8a36340c
5 changed files with 49 additions and 37 deletions
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@ -17,7 +17,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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#include <uapi/linux/magic.h>
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@@ -250,6 +251,28 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -249,6 +250,28 @@ static int bcm47xxpart_parse(struct mtd_
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break;
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}
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@ -14,12 +14,12 @@ is more than 1 TRX partition.
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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---
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drivers/mtd/bcm47xxpart.c | 124 ++++++++++++++++++++++++++++------------------
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1 file changed, 77 insertions(+), 47 deletions(-)
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drivers/mtd/bcm47xxpart.c | 121 ++++++++++++++++++++++++++++------------------
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1 file changed, 74 insertions(+), 47 deletions(-)
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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@@ -83,6 +83,70 @@ out_default:
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@@ -83,6 +83,67 @@ out_default:
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return "rootfs";
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}
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@ -28,7 +28,6 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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+ struct mtd_partition *parts,
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+ size_t parts_len)
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+{
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+ struct mtd_partition *part;
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+ struct trx_header header;
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+ size_t bytes_read;
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+ int curr_part = 0;
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@ -50,25 +49,23 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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+
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+ /* We have LZMA loader if offset[2] points to sth */
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+ if (header.offset[2]) {
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+ part = &parts[curr_part++];
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+ part->name = "loader";
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+ part->offset = trx->offset + header.offset[i];
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+ bcm47xxpart_add_part(&parts[curr_part++], "loader",
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+ trx->offset + header.offset[i], 0);
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+ i++;
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+ }
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+
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+ if (header.offset[i]) {
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+ part = &parts[curr_part++];
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+ part->name = "linux";
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+ part->offset = trx->offset + header.offset[i];
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+ bcm47xxpart_add_part(&parts[curr_part++], "linux",
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+ trx->offset + header.offset[i], 0);
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+ i++;
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+ }
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+
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+ if (header.offset[i]) {
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+ size_t offset = trx->offset + header.offset[i];
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+ const char *name = bcm47xxpart_trx_data_part_name(master,
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+ offset);
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+
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+ part = &parts[curr_part++];
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+ part->name = bcm47xxpart_trx_data_part_name(master, offset);
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+ part->offset = offset;
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+ bcm47xxpart_add_part(&parts[curr_part++], name, offset, 0);
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+ i++;
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+ }
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+
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@ -90,7 +87,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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static int bcm47xxpart_parse(struct mtd_info *master,
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struct mtd_partition **pparts,
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struct mtd_part_parser_data *data)
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@@ -93,9 +157,7 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -93,9 +154,7 @@ static int bcm47xxpart_parse(struct mtd_
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size_t bytes_read;
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uint32_t offset;
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uint32_t blocksize = master->erasesize;
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@ -100,7 +97,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
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int err;
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@@ -182,54 +244,14 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -182,54 +241,14 @@ static int bcm47xxpart_parse(struct mtd_
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/* TRX */
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if (buf[0x000 / 4] == TRX_MAGIC) {
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@ -157,7 +154,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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offset = roundup(offset + trx->length, blocksize);
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/* Next loop iteration will increase the offset */
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offset -= blocksize;
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@@ -307,9 +329,17 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -307,9 +326,17 @@ static int bcm47xxpart_parse(struct mtd_
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parts[i + 1].offset : master->size;
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parts[i].size = next_part_offset - parts[i].offset;
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@ -24,7 +24,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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@@ -147,6 +148,30 @@ static int bcm47xxpart_parse_trx(struct
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@@ -144,6 +145,30 @@ static int bcm47xxpart_parse_trx(struct
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return curr_part;
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}
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@ -55,7 +55,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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static int bcm47xxpart_parse(struct mtd_info *master,
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struct mtd_partition **pparts,
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struct mtd_part_parser_data *data)
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@@ -157,7 +182,8 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -154,7 +179,8 @@ static int bcm47xxpart_parse(struct mtd_
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size_t bytes_read;
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uint32_t offset;
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uint32_t blocksize = master->erasesize;
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@ -65,7 +65,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
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int err;
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@@ -246,7 +272,11 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -243,7 +269,11 @@ static int bcm47xxpart_parse(struct mtd_
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if (buf[0x000 / 4] == TRX_MAGIC) {
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struct trx_header *trx;
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@ -78,7 +78,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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bcm47xxpart_add_part(&parts[curr_part++], "firmware",
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offset, 0);
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@@ -332,14 +362,20 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -329,14 +359,20 @@ static int bcm47xxpart_parse(struct mtd_
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}
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/* If there was TRX parse it now */
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@ -48,29 +48,44 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master,
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size_t offset)
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{
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@@ -113,19 +141,22 @@ static int bcm47xxpart_parse_trx(struct
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@@ -91,6 +119,7 @@ static int bcm47xxpart_parse_trx(struct
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{
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struct trx_header header;
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size_t bytes_read;
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+ size_t offset;
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int curr_part = 0;
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int i, err;
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@@ -110,21 +139,25 @@ static int bcm47xxpart_parse_trx(struct
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/* We have LZMA loader if offset[2] points to sth */
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if (header.offset[2]) {
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part = &parts[curr_part++];
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part->name = "loader";
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- part->offset = trx->offset + header.offset[i];
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+ part->offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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- bcm47xxpart_add_part(&parts[curr_part++], "loader",
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- trx->offset + header.offset[i], 0);
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+ offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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+ bcm47xxpart_add_part(&parts[curr_part++], "loader", offset, 0);
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i++;
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}
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if (header.offset[i]) {
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part = &parts[curr_part++];
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part->name = "linux";
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- part->offset = trx->offset + header.offset[i];
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+ part->offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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- bcm47xxpart_add_part(&parts[curr_part++], "linux",
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- trx->offset + header.offset[i], 0);
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+ offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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+ bcm47xxpart_add_part(&parts[curr_part++], "linux", offset, 0);
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i++;
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}
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if (header.offset[i]) {
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- size_t offset = trx->offset + header.offset[i];
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+ size_t offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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- const char *name = bcm47xxpart_trx_data_part_name(master,
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- offset);
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+ const char *name;
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+
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+ offset = bcm47xxpart_real_offset(master, trx->offset,
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+ header.offset[i]);
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+ name = bcm47xxpart_trx_data_part_name(master, offset);
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part = &parts[curr_part++];
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part->name = bcm47xxpart_trx_data_part_name(master, offset);
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bcm47xxpart_add_part(&parts[curr_part++], name, offset, 0);
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i++;
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@ -24,7 +24,7 @@ Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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#define ML_MAGIC1 0x39685a42
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#define ML_MAGIC2 0x26594131
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#define TRX_MAGIC 0x30524448
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@@ -298,6 +299,15 @@ static int bcm47xxpart_parse(struct mtd_
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@@ -297,6 +298,15 @@ static int bcm47xxpart_parse(struct mtd_
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MTD_WRITEABLE);
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continue;
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}
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