[PATCH v2 03/15] mtd: nand: Add a helper to retrieve the number of pages per target

Miquel Raynal
2019-03-04T20:17:01Z

From: Boris Brezillon <bbrezillon@kernel.org>

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>
---
include/linux/mtd/nand.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 12d75402472a..cebc38b6d6f5 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -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
--
2.19.1