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mtd: ubi: Use 'max_bad_blocks' to compute bad_peb_limit if available

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If the user has not set max_beb_per1024 using either the cmdline or
Kconfig options for doing so, use the MTD function 'max_bad_blocks' to
compute the UBI bad_peb_limit.

Signed-off-by: Jeff Westfahl <jeff.westfahl@ni.com>
Signed-off-by: Zach Brown <zach.brown@ni.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electron.com>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Jeff Westfahl 2017-01-10 13:30:18 -06:00 committed by Richard Weinberger
parent c877154d30
commit c0e860ba03
1 changed files with 11 additions and 2 deletions
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13
drivers/mtd/ubi/build.c
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@ -535,8 +535,17 @@ static int get_bad_peb_limit(const struct ubi_device *ubi, int max_beb_per1024)
int limit, device_pebs;
uint64_t device_size;
if (!max_beb_per1024)
return 0;
if (!max_beb_per1024) {
/*
* Since max_beb_per1024 has not been set by the user in either
* the cmdline or Kconfig, use mtd_max_bad_blocks to set the
* limit if it is supported by the device.
*/
limit = mtd_max_bad_blocks(ubi->mtd, 0, ubi->mtd->size);
if (limit < 0)
return 0;
return limit;
}
/*
* Here we are using size of the entire flash chip and