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mtd: nand: Add a helper returning the number of eraseblocks per target 

Some drivers in the raw NAND framework seems to need this helper, so
let's just add it instead of open-coding the logic.

Signed-off-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
This commit is contained in:
Boris Brezillon 2018-10-29 10:29:48 +01:00 committed by Miquel Raynal
parent 377e517b5f
commit 7c4ecca103
1 changed files with 12 additions and 0 deletions
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12
include/linux/mtd/nand.h
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@ -294,6 +294,18 @@ nanddev_eraseblocks_per_lun(const struct nand_device *nand)
return nand->memorg.eraseblocks_per_lun;
}
/**
* nanddev_eraseblocks_per_target() - Get the number of eraseblocks per target
* @nand: NAND device
*
* Return: the number of eraseblocks per target.
*/
static inline unsigned int
nanddev_eraseblocks_per_target(const struct nand_device *nand)
{
return nand->memorg.eraseblocks_per_lun * nand->memorg.luns_per_target;
}
/**
* nanddev_target_size() - Get the total size provided by a single target/die
* @nand: NAND device