[U-Boot,v2,12/21] mtd: nand: Pass mode information to nand_page_io_req

Message ID 20180711152529.24547-13-miquel.raynal@bootlin.com
State Superseded
Delegated to: Jagannadha Sutradharudu Teki
Headers show
  • SPI-NAND support
Related show

Commit Message

Miquel Raynal July 11, 2018, 3:25 p.m.
From: Boris Brezillon <boris.brezillon@bootlin.com>

The NAND sub-layers are likely to need the MTD_OPS_XXX mode information
in order to decide if they should enable/disable ECC or how they should
place the OOB bytes in the provided OOB buffer.

Add a field to nand_page_io_req to pass this information.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
 include/linux/mtd/nand.h | 3 +++
 1 file changed, 3 insertions(+)


diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ada7af4a41..13e8dd1103 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -86,6 +86,7 @@  struct nand_pos {
  * @ooboffs: the OOB offset within the page
  * @ooblen: the number of OOB bytes to read from/write to this page
  * @oobbuf: buffer to store OOB data in or get OOB data from
+ * @mode: one of the %MTD_OPS_XXX mode
  * This object is used to pass per-page I/O requests to NAND sub-layers. This
  * way all useful information are already formatted in a useful way and
@@ -106,6 +107,7 @@  struct nand_page_io_req {
 		const void *out;
 		void *in;
 	} oobbuf;
+	int mode;
@@ -599,6 +601,7 @@  static inline void nanddev_io_iter_init(struct nand_device *nand,
 	struct mtd_info *mtd = nanddev_to_mtd(nand);
+	iter->req.mode = req->mode;
 	iter->req.dataoffs = nanddev_offs_to_pos(nand, offs, &iter->req.pos);
 	iter->req.ooboffs = req->ooboffs;
 	iter->oobbytes_per_page = mtd_oobavail(mtd, req);