[PATCH v2 31/36] mtd: nand: Let on-die ECC engines be retrieved from the NAND core
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2019-03-04 22:32:43
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
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@bootlin.com> --- 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@bootlin.com>"); 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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