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atheros: fix FIS directory parsing on Top Boot flash chips
SVN-Revision: 20213
This commit is contained in:
parent
a4d823a9e3
commit
3b6b74ee37
@ -0,0 +1,72 @@
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
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return 1;
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}
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+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
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+{
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+ struct mtd_erase_region_info *regions = mtd->eraseregions;
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+ int i;
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+
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+ for (i = 0; i < mtd->numeraseregions; i++) {
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+ if (regions[i].offset +
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+ regions[i].numblocks * regions[i].erasesize <= offset)
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+ continue;
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+
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+ return regions[i].erasesize;
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+ }
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+
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+ return mtd->erasesize;
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+}
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+
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static int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
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int namelen = 0;
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int nulllen = 0;
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int numslots;
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+ int first_slot;
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unsigned long offset;
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#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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static char nullstring[] = "unallocated";
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@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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- for (i = 0; i < numslots; i++) {
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+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
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+ sizeof(struct fis_image_desc);
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+
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+ for (i = first_slot; i < first_slot + numslots; i++) {
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struct fis_list *new_fl, **prev;
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if (buf[i].name[0] == 0xff) {
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@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
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}
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#endif
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for ( ; i<nrparts; i++) {
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- if(max_offset < buf[i].flash_base + buf[i].size)
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- max_offset = buf[i].flash_base + buf[i].size;
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parts[i].size = fl->img->size;
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parts[i].offset = fl->img->flash_base;
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parts[i].name = names;
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+ if (max_offset < parts[i].offset + parts[i].size)
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+ max_offset = parts[i].offset + parts[i].size;
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+
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strcpy(names, fl->img->name);
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#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
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if (!memcmp(names, "RedBoot", 8) ||
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@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
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fl = fl->next;
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kfree(tmp_fl);
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}
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- if(master->size - max_offset >= master->erasesize)
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+
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+ if (master->size - max_offset >=
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+ mtd_get_offset_erasesize(master, max_offset))
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{
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parts[nrparts].size = master->size - max_offset;
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parts[nrparts].offset = max_offset;
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@ -0,0 +1,72 @@
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
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return 1;
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}
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+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
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+{
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+ struct mtd_erase_region_info *regions = mtd->eraseregions;
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+ int i;
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+
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+ for (i = 0; i < mtd->numeraseregions; i++) {
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+ if (regions[i].offset +
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+ regions[i].numblocks * regions[i].erasesize <= offset)
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+ continue;
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+
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+ return regions[i].erasesize;
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+ }
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+
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+ return mtd->erasesize;
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+}
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+
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static int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
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int namelen = 0;
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int nulllen = 0;
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int numslots;
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+ int first_slot;
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unsigned long offset;
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#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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static char nullstring[] = "unallocated";
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@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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- for (i = 0; i < numslots; i++) {
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+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
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+ sizeof(struct fis_image_desc);
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+
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+ for (i = first_slot; i < first_slot + numslots; i++) {
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struct fis_list *new_fl, **prev;
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if (buf[i].name[0] == 0xff) {
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@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
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}
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#endif
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for ( ; i<nrparts; i++) {
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- if(max_offset < buf[i].flash_base + buf[i].size)
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- max_offset = buf[i].flash_base + buf[i].size;
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parts[i].size = fl->img->size;
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parts[i].offset = fl->img->flash_base;
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parts[i].name = names;
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+ if (max_offset < parts[i].offset + parts[i].size)
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+ max_offset = parts[i].offset + parts[i].size;
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+
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strcpy(names, fl->img->name);
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#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
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if (!memcmp(names, "RedBoot", 8) ||
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@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
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fl = fl->next;
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kfree(tmp_fl);
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}
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- if(master->size - max_offset >= master->erasesize)
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+
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+ if (master->size - max_offset >=
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+ mtd_get_offset_erasesize(master, max_offset))
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{
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parts[nrparts].size = master->size - max_offset;
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parts[nrparts].offset = max_offset;
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@ -0,0 +1,72 @@
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
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return 1;
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}
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+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
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+{
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+ struct mtd_erase_region_info *regions = mtd->eraseregions;
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+ int i;
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+
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+ for (i = 0; i < mtd->numeraseregions; i++) {
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+ if (regions[i].offset +
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+ regions[i].numblocks * regions[i].erasesize <= offset)
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+ continue;
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+
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+ return regions[i].erasesize;
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+ }
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+
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+ return mtd->erasesize;
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+}
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+
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static int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
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int namelen = 0;
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int nulllen = 0;
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int numslots;
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+ int first_slot;
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unsigned long offset;
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#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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static char nullstring[] = "unallocated";
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@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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- for (i = 0; i < numslots; i++) {
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+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
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+ sizeof(struct fis_image_desc);
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+
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+ for (i = first_slot; i < first_slot + numslots; i++) {
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struct fis_list *new_fl, **prev;
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if (buf[i].name[0] == 0xff) {
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@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
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}
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#endif
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for ( ; i<nrparts; i++) {
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- if(max_offset < buf[i].flash_base + buf[i].size)
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- max_offset = buf[i].flash_base + buf[i].size;
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parts[i].size = fl->img->size;
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parts[i].offset = fl->img->flash_base;
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parts[i].name = names;
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+ if (max_offset < parts[i].offset + parts[i].size)
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+ max_offset = parts[i].offset + parts[i].size;
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+
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strcpy(names, fl->img->name);
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#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
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if (!memcmp(names, "RedBoot", 8) ||
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@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
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fl = fl->next;
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kfree(tmp_fl);
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}
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- if(master->size - max_offset >= master->erasesize)
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+
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+ if (master->size - max_offset >=
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+ mtd_get_offset_erasesize(master, max_offset))
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{
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parts[nrparts].size = master->size - max_offset;
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parts[nrparts].offset = max_offset;
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@ -0,0 +1,72 @@
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
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return 1;
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}
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+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
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+{
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+ struct mtd_erase_region_info *regions = mtd->eraseregions;
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+ int i;
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+
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+ for (i = 0; i < mtd->numeraseregions; i++) {
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+ if (regions[i].offset +
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+ regions[i].numblocks * regions[i].erasesize <= offset)
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+ continue;
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+
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+ return regions[i].erasesize;
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+ }
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+
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+ return mtd->erasesize;
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+}
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+
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static int parse_redboot_partitions(struct mtd_info *master,
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struct mtd_partition **pparts,
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unsigned long fis_origin)
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@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
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int namelen = 0;
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int nulllen = 0;
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int numslots;
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+ int first_slot;
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unsigned long offset;
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#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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static char nullstring[] = "unallocated";
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@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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- for (i = 0; i < numslots; i++) {
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+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
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+ sizeof(struct fis_image_desc);
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+
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+ for (i = first_slot; i < first_slot + numslots; i++) {
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struct fis_list *new_fl, **prev;
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if (buf[i].name[0] == 0xff) {
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@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
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}
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#endif
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for ( ; i<nrparts; i++) {
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- if(max_offset < buf[i].flash_base + buf[i].size)
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- max_offset = buf[i].flash_base + buf[i].size;
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parts[i].size = fl->img->size;
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parts[i].offset = fl->img->flash_base;
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parts[i].name = names;
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+ if (max_offset < parts[i].offset + parts[i].size)
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+ max_offset = parts[i].offset + parts[i].size;
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+
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strcpy(names, fl->img->name);
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#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
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if (!memcmp(names, "RedBoot", 8) ||
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@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
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fl = fl->next;
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kfree(tmp_fl);
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}
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- if(master->size - max_offset >= master->erasesize)
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+
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+ if (master->size - max_offset >=
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+ mtd_get_offset_erasesize(master, max_offset))
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{
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parts[nrparts].size = master->size - max_offset;
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parts[nrparts].offset = max_offset;
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