[PATCH v2 31/36] 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
boilerplate for the on-die ones.

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

diff --git a/drivers/mtd/nand/ecc/engine.c b/drivers/mtd/nand/ecc/engine.c
index 4345124e01bf..2464b7dea062 100644
--- a/drivers/mtd/nand/ecc/engine.c
+++ b/drivers/mtd/nand/ecc/engine.c
@@ -470,6 +470,12 @@ 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 c68060cebc86..3498d22fe893 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -248,6 +248,7 @@ 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
-- 
2.19.1


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