[PATCH v3 4/9] mtd: nand: Add a helper to retrieve the number of ECC steps

Miquel Raynal miquel.raynal at bootlin.com
Wed Jan 27 15:30:15 EST 2021


This operation is very common and deserves a helper. It of course only
works after the ECC engine initialization.

Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 include/linux/mtd/nand.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 632becb13b46..8a0116396689 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -587,6 +587,16 @@ nanddev_get_ecc_conf(struct nand_device *nand)
 	return &nand->ecc.ctx.conf;
 }
 
+/**
+ * nanddev_get_ecc_nsteps() - Extract the number of ECC steps
+ * @nand: NAND device
+ */
+static inline unsigned int
+nanddev_get_ecc_nsteps(struct nand_device *nand)
+{
+	return nand->ecc.ctx.nsteps;
+}
+
 /**
  * nanddev_get_ecc_requirements() - Extract the ECC requirements from a NAND
  *                                  device
-- 
2.20.1




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