mtd: nand: Pass mode information to nand_page_io_req

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>

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index ada7af4a416fa8b156f2a3ed245c9c0503bf9202..13e8dd110352404ed66a95d3b10989a5b2a314bd 100644 (file)
--- 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);