From 930370253ec51fccebb743409428ac2f364b3559 Mon Sep 17 00:00:00 2001 From: Miquel Raynal Date: Thu, 7 May 2020 12:52:35 +0200 Subject: mtd: rawnand: Add a helper to check supported operations Let's use a helper to clearly check if an operation is supported or not. Return -ENOTSUPP when ->exec_op() is not implemented as we cannot know. Signed-off-by: Miquel Raynal Reviewed-by: Boris Brezillon Link: https://lore.kernel.org/linux-mtd/20200507105241.14299-8-miquel.raynal@bootlin.com --- drivers/mtd/nand/raw/internals.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/mtd/nand/raw/internals.h') diff --git a/drivers/mtd/nand/raw/internals.h b/drivers/mtd/nand/raw/internals.h index bca9b3424646..03866b0aadea 100644 --- a/drivers/mtd/nand/raw/internals.h +++ b/drivers/mtd/nand/raw/internals.h @@ -109,6 +109,15 @@ static inline bool nand_has_exec_op(struct nand_chip *chip) return true; } +static inline int nand_check_op(struct nand_chip *chip, + const struct nand_operation *op) +{ + if (!nand_has_exec_op(chip)) + return 0; + + return chip->controller->ops->exec_op(chip, op, true); +} + static inline int nand_exec_op(struct nand_chip *chip, const struct nand_operation *op) { -- cgit v1.2.3