[PATCH 3/4] rawnand: base: Export nand_read_page_swecc

[Bastien Curutchet]

nand_read_page_swecc() isn't exported while it could be used from the
drivers for the mixed case where ECC writes are done by the hardware and
ECC reads are done by software.

Export nand_read_page_swecc() to make it usable by drivers.

Signed-off-by: Bastien Curutchet <bastien.curutchet at bootlin.com>
---
 drivers/mtd/nand/raw/nand_base.c             | 5 +++--
 drivers/mtd/nand/raw/pl35x-nand-controller.c | 1 +
 include/linux/mtd/rawnand.h                  | 2 ++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index c04c3e74f661..950c079aa27b 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -2941,8 +2941,8 @@ static int nand_read_page_raw_syndrome(struct nand_chip *chip, uint8_t *buf,
  * @oob_required: caller requires OOB data read to chip->oob_poi
  * @page: page number to read
  */
-static int nand_read_page_swecc(struct nand_chip *chip, uint8_t *buf,
-				int oob_required, int page)
+int nand_read_page_swecc(struct nand_chip *chip, uint8_t *buf,
+			 int oob_required, int page)
 {
 	struct mtd_info *mtd = nand_to_mtd(chip);
 	int i, eccsize = chip->ecc.size, ret;
@@ -2979,6 +2979,7 @@ static int nand_read_page_swecc(struct nand_chip *chip, uint8_t *buf,
 	}
 	return max_bitflips;
 }
+EXPORT_SYMBOL_GPL(nand_read_page_swecc);
 
 /**
  * nand_read_subpage - [REPLACEABLE] ECC based sub-page read function
diff --git a/drivers/mtd/nand/raw/pl35x-nand-controller.c b/drivers/mtd/nand/raw/pl35x-nand-controller.c
index bd89aaadd1b2..d61eba938311 100644
--- a/drivers/mtd/nand/raw/pl35x-nand-controller.c
+++ b/drivers/mtd/nand/raw/pl35x-nand-controller.c
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/mtd/mtd.h>
+#include <linux/mtd/nand-ecc-sw-hamming.h>
 #include <linux/mtd/rawnand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/of.h>
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 3658315752bf..5539e96b2cac 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -1578,6 +1578,8 @@ int nand_write_data_op(struct nand_chip *chip, const void *buf,
 		       unsigned int len, bool force_8bit);
 int nand_read_page_hwecc_oob_first(struct nand_chip *chip, uint8_t *buf,
 				   int oob_required, int page);
+int nand_read_page_swecc(struct nand_chip *chip, uint8_t *buf,
+			 int oob_required, int page);
 
 /* Scan and identify a NAND device */
 int nand_scan_with_ids(struct nand_chip *chip, unsigned int max_chips,

-- 
2.55.0