[PATCH v3 32/40] mtd: nand: Let on-die ECC engines be retrieved from the NAND core

[Miquel Raynal <miquel.raynal@xxxxxxxxxxx>]

Before making use of the ECC engines, we must retrieve them. Add the
necessary boilerplate.

Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
 drivers/mtd/nand/ecc.c   | 6 ++++++
 include/linux/mtd/nand.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/mtd/nand/ecc.c b/drivers/mtd/nand/ecc.c
index da3aa2379b94..4f869d33213d 100644
--- a/drivers/mtd/nand/ecc.c
+++ b/drivers/mtd/nand/ecc.c
@@ -500,6 +500,12 @@ struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand)
 }
 EXPORT_SYMBOL(nand_ecc_get_sw_engine);
 
+struct nand_ecc_engine *nand_ecc_get_ondie_engine(struct nand_device *nand)
+{
+	return nand->ecc.ondie_engine;
+}
+EXPORT_SYMBOL(nand_ecc_get_ondie_engine);
+
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Miquel Raynal <miquel.raynal@xxxxxxxxxxx>");
 MODULE_DESCRIPTION("Generic ECC engine");
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index b410ef778e52..b25d17ef9714 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -273,6 +273,7 @@ int nand_ecc_finish_io_req(struct nand_device *nand,
 			   struct nand_page_io_req *req, void *oobbuf);
 bool nand_ecc_correction_is_enough(struct nand_device *nand);
 struct nand_ecc_engine *nand_ecc_get_sw_engine(struct nand_device *nand);
+struct nand_ecc_engine *nand_ecc_get_ondie_engine(struct nand_device *nand);
 
 /**
  * struct nand_ecc - High-level ECC object
-- 
2.20.1


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/