[OpenWrt-Devel] [PATCH] [Resend] [kernel] mtd-partial_eraseblock_erase
Maciej Skrzypek
maciej.skrzypek at flytronic.pl
Tue Jul 1 10:14:29 EDT 2014
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.skrzypek at 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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