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mtd: nand: Add a helper to retrieve the number of pages per target

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Will be used by the raw NAND framework.

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 17:18:39 +01:00 committed by Miquel Raynal
parent 7c4ecca103
commit 46b01d7efd
1 changed files with 14 additions and 0 deletions
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14
include/linux/mtd/nand.h
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@ -271,6 +271,20 @@ nanddev_pages_per_eraseblock(const struct nand_device *nand)
return nand->memorg.pages_per_eraseblock;
}
/**
* nanddev_pages_per_target() - Get the number of pages per target
* @nand: NAND device
*
* Return: the number of pages per target.
*/
static inline unsigned int
nanddev_pages_per_target(const struct nand_device *nand)
{
return nand->memorg.pages_per_eraseblock *
nand->memorg.eraseblocks_per_lun *
nand->memorg.luns_per_target;
}
/**
* nanddev_per_page_oobsize() - Get NAND erase block size
* @nand: NAND device