Messages in this thread Patch in this message | | | From | Zach Brown <> | Subject | [RESEND PATCH v2 3/3] mtd: ubi: use 'max_bad_blocks' to compute bad_peb_limit if available | Date | Thu, 27 Oct 2016 14:14:02 -0500 |
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From: Jeff Westfahl <jeff.westfahl@ni.com>
Use the MTD function 'max_bad_blocks' to compute the UBI bad_peb_limit, if the function is implemented for an MTD and doesn't return an error.
Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com> Signed-off-by: Zach Brown <zach.brown@ni.com> --- drivers/mtd/ubi/build.c | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 85d54f3..0648863 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -584,6 +584,15 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024) int limit, device_pebs; uint64_t device_size; + /* If the MTD provides a max_bad_blocks function, use that value. Fall + * back to max_beb_per1024 if that function returns an error. + */ + if (ubi->mtd->_max_bad_blocks) { + limit = ubi->mtd->_max_bad_blocks(ubi->mtd, 0, ubi->mtd->size); + if (limit > 0) + return limit; + } + if (!max_beb_per1024) return 0; -- 2.7.4
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