[PATCH] mtd: nand: Fix nanddev_neraseblocks()

[Boris Brezillon]

nanddev_neraseblocks() currently returns the number pages per LUN
instead of the total number of eraseblocks.

Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")
Cc: <***@vger.kernel.org>
Signed-off-by: Boris Brezillon <***@bootlin.com>
---
include/linux/mtd/nand.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index abe975c87b90..78b86dea2f29 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,9 +324,8 @@ static inline unsigned int nanddev_ntargets(const struct nand_device *nand)
*/
static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)
{
- return (u64)nand->memorg.luns_per_target *
- nand->memorg.eraseblocks_per_lun *
- nand->memorg.pages_per_eraseblock;
+ return nand->memorg.ntargets * nand->memorg.luns_per_target *
+ nand->memorg.eraseblocks_per_lun;
}

/**

[Miquel Raynal]

Hi Boris,

Post by Boris Brezillon
nanddev_neraseblocks() currently returns the number pages per LUN
instead of the total number of eraseblocks.
Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")
---
include/linux/mtd/nand.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index abe975c87b90..78b86dea2f29 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,9 +324,8 @@ static inline unsigned int nanddev_ntargets(const struct nand_device *nand)
*/
static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)
{
- return (u64)nand->memorg.luns_per_target *
- nand->memorg.eraseblocks_per_lun *
- nand->memorg.pages_per_eraseblock;
+ return nand->memorg.ntargets * nand->memorg.luns_per_target *
+ nand->memorg.eraseblocks_per_lun;
}
/**

Reviewed-by: Miquel Raynal <***@bootlin.com>


Thanks,
Miquèl

[Boris Brezillon]

On Sun, 28 Oct 2018 12:29:55 +0100

Post by Boris Brezillon
nanddev_neraseblocks() currently returns the number pages per LUN
instead of the total number of eraseblocks.
Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")

Queued to the fixes branch.

Post by Boris Brezillon
---
include/linux/mtd/nand.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index abe975c87b90..78b86dea2f29 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,9 +324,8 @@ static inline unsigned int nanddev_ntargets(const struct nand_device *nand)
*/
static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)
{
- return (u64)nand->memorg.luns_per_target *
- nand->memorg.eraseblocks_per_lun *
- nand->memorg.pages_per_eraseblock;
+ return nand->memorg.ntargets * nand->memorg.luns_per_target *
+ nand->memorg.eraseblocks_per_lun;
}
/**