mtd: allow partial block erase This fixes error erasing partial mtd partition which does not start on eraseblock boundary and allows using fconfig to configure redboot on devices such as the Gateworks Cambria.
Maciej Skrzypek
Flytronic
Signed-off-by: Maciej Skrzypek <maciej.skrzy...@flytronic.pl>
---
479-mtd-partial_eraseblock_erase.patch | 10 ++++++++++
1 file changed, 10 insertions(+)
diff -uprN
trunk/target/linux/generic/patches-3.3/479-mtd-partial_eraseblock_erase.patch
trunk_modified/target/linux/generic/patches-3.3/479-mtd-partial_eraseblock_erase.patch
---
trunk/target/linux/generic/patches-3.3/479-mtd-partial_eraseblock_erase.patch
1970-01-01 01:00:00.000000000 +0100
+++
trunk_modified/target/linux/generic/patches-3.3/479-mtd-partial_eraseblock_erase.patch
2014-06-20 16:16:53.000000000 +0200
@@ -0,0 +1,10 @@
+--- a/drivers/mtd/mtdpart.c
++++ b/drivers/mtd/mtdpart.c
+@@ -274,6 +274,7 @@ static int part_erase(struct mtd_info *m
+ part->master->erasesize,
+ &readlen, instr->erase_buf);
+
++ instr->len += instr->erase_buf_ofs;
+ instr->partial_start = true;
+ } else {
+ mtd_ofs = part->offset + part->mtd.size;
--
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