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UBI: introduce flash dump helper

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Useful for debugging problems, compiled in only if UBI debugging
is enabled. This patch also makes the UBI writing function dump
the flash if it fails to write.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy
2009-07-24 15:31:33 +03:00
parent 758d8e4634
commit 867996b15c
3 changed files with 35 additions and 0 deletions
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2
drivers/mtd/ubi/debug.h
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@@ -55,6 +55,7 @@ void ubi_dbg_dump_vtbl_record(const struct ubi_vtbl_record *r, int idx);
void ubi_dbg_dump_sv(const struct ubi_scan_volume *sv);
void ubi_dbg_dump_seb(const struct ubi_scan_leb *seb, int type);
void ubi_dbg_dump_mkvol_req(const struct ubi_mkvol_req *req);
void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
#ifdef CONFIG_MTD_UBI_DEBUG_MSG
/* General debugging messages */
@@ -167,6 +168,7 @@ static inline int ubi_dbg_is_erase_failure(void)
#define ubi_dbg_dump_sv(sv) ({})
#define ubi_dbg_dump_seb(seb, type) ({})
#define ubi_dbg_dump_mkvol_req(req) ({})
#define ubi_dbg_dump_flash(ubi, pnum, offset, len) ({})
#define UBI_IO_DEBUG 0
#define DBG_DISABLE_BGT 0