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Groups > linux.kernel > #1511391
| From | Zach Brown <zach.brown@ni.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 3/5] mtd: nand: Add bb_per_lun and blocks_per_lun fields to nand_chip |
| Date | 2016-10-28 22:30 +0200 |
| Message-ID | <sxlWN-4Ha-9@gated-at.bofh.it> (permalink) |
| References | <sxlWN-4Ha-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
The fields bb_per_lun and blocks_per_lun are useful determining the
number of bad blocks a MTD needs to allocate. How they are set will
depend on if the chip is ONFI, JEDEC or a fuill-id entry in the nand_ids
table.
Signed-off-by: Zach Brown <zach.brown@ni.com>
---
include/linux/mtd/nand.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index c5d3d502..efbe439 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -771,6 +771,9 @@ nand_get_sdr_timings(const struct nand_data_interface *conf)
* supported, 0 otherwise.
* @jedec_params: [INTERN] holds the JEDEC parameter page when JEDEC is
* supported, 0 otherwise.
+ * @bb_per_lun: [INTERN] the max number of bad blocks each LUN of a
+ * this nand device will encounter their life times.
+ * @blocks_per_lun: [INTERN] The number of PEBs in a LUN
* @read_retries: [INTERN] the number of read retry modes supported
* @onfi_set_features: [REPLACEABLE] set the features for ONFI nand
* @onfi_get_features: [REPLACEABLE] get the features for ONFI nand
@@ -853,6 +856,8 @@ struct nand_chip {
struct nand_onfi_params onfi_params;
struct nand_jedec_params jedec_params;
};
+ __le16 bb_per_lun;
+ __le32 blocks_per_lun;
struct nand_data_interface *data_interface;
--
2.7.4
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[PATCH v3 3/5] mtd: nand: Add bb_per_lun and blocks_per_lun fields to nand_chip Zach Brown <zach.brown@ni.com> - 2016-10-28 22:30 +0200
Re: [PATCH v3 3/5] mtd: nand: Add bb_per_lun and blocks_per_lun fields to nand_chip Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-11-01 15:00 +0100
Re: [PATCH v3 3/5] mtd: nand: Add bb_per_lun and blocks_per_lun fields to nand_chip Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-11-06 19:00 +0100
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