Messages in this thread | | | From | Miquel Raynal <> | Subject | Re: [v2] mtd: rawnand: Change calculating of position page containing BBM | Date | Fri, 4 Oct 2019 18:04:43 +0200 |
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On Tue, 2019-09-24 at 05:54:31 UTC, Piotr Sroka wrote: > Change calculating of position page containing BBM > > If none of BBM flags are set then function nand_bbm_get_next_page > reports EINVAL. It causes that BBM is not read at all during scanning > factory bad blocks. The result is that the BBT table is build without > checking factory BBM at all. For Micron flash memories none of these > flags are set if page size is different than 2048 bytes. > > Address this regression by: > - adding NAND_BBM_FIRSTPAGE chip flag without any condition. It solves > issue only for Micron devices. > - changing the nand_bbm_get_next_page_function. It will return 0 > if no of BBM flag is set and page parameter is 0. After that modification > way of discovering factory bad blocks will work similar as in kernel > version 5.1. > > Cc: stable@vger.kernel.org > Fixes: f90da7818b14 (mtd: rawnand: Support bad block markers in first, second or last page) > Signed-off-by: Piotr Sroka <piotrs@cadence.com> > Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
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