linux-kernel - [PATCH RFC 2/8] mtd: spinand: Expose spinand_op_is

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Message-Id: <20251205-winbond-v6-18-rc1-cont-read-v1-2-01bc48631c73@bootlin.com>
Date: Fri, 05 Dec 2025 20:38:53 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Mark Brown <broonie@...nel.org>, Richard Weinberger <richard@....at>, 
 Vignesh Raghavendra <vigneshr@...com>, Michael Walle <mwalle@...nel.org>
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Pratyush Yadav <pratyush@...nel.org>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Steam Lin <STLin2@...bond.com>, Santhosh Kumar K <s-k6@...com>, 
 linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-mtd@...ts.infradead.org, Miquel Raynal <miquel.raynal@...tlin.com>
Subject: [PATCH RFC 2/8] mtd: spinand: Expose spinand_op_is_odtr()

This helper is going to be needed in a vendor driver, so expose it.

Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com>
---
 drivers/mtd/nand/spi/core.c | 2 +-
 include/linux/mtd/spinand.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index f19150740979..3765fcc95c4a 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1300,7 +1300,7 @@ static void spinand_manufacturer_cleanup(struct spinand_device *spinand)
 		return spinand->manufacturer->ops->cleanup(spinand);
 }
 
-static bool spinand_op_is_odtr(const struct spi_mem_op *op)
+bool spinand_op_is_odtr(const struct spi_mem_op *op)
 {
 	return op->cmd.dtr && op->cmd.buswidth == 8;
 }
diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h
index eb8ae164b3aa..a90e873cf693 100644
--- a/include/linux/mtd/spinand.h
+++ b/include/linux/mtd/spinand.h
@@ -944,6 +944,8 @@ static inline void spinand_set_of_node(struct spinand_device *spinand,
 	nanddev_set_of_node(&spinand->base, np);
 }
 
+bool spinand_op_is_odtr(const struct spi_mem_op *op);
+
 int spinand_match_and_init(struct spinand_device *spinand,
 			   const struct spinand_info *table,
 			   unsigned int table_size,

-- 
2.51.1