[PATCH v6 5/5] mtd: nand: set max_bb_per_die and blocks_per_die for ONFI compliant chips

From	Zach Brown <zach.brown@ni.com>
Newsgroups	linux.kernel
Subject	[PATCH v6 5/5] mtd: nand: set max_bb_per_die and blocks_per_die for ONFI compliant chips
Date	2016-11-30 18:00 +0100
Message-ID	<sJgoG-9j-3@gated-at.bofh.it> (permalink)
References	<sJgoG-9j-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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ONFI compliant chips contain the values for the max_bb_per_die and
blocks_per_die fields in the parameter page. When the ONFI paged is
retrieved/parsed the chip's fields are set by the corresponding fields
in the param page.

Signed-off-by: Zach Brown <zach.brown@ni.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electron.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
---
 drivers/mtd/nand/nand_base.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index b4a7c7f..623cdc5 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3601,6 +3601,9 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
 	chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;
 	chip->bits_per_cell = p->bits_per_cell;
 
+	chip->max_bb_per_die = le16_to_cpu(p->bb_per_lun);
+	chip->blocks_per_die = le32_to_cpu(p->blocks_per_lun);
+
 	if (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS)
 		*busw = NAND_BUSWIDTH_16;
 	else
-- 
2.7.4

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[PATCH v6 5/5] mtd: nand: set max_bb_per_die and blocks_per_die for ONFI compliant chips Zach Brown <zach.brown@ni.com> - 2016-11-30 18:00 +0100

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