linux-kernel - [PATCH] mtd: rawnand: ingenic: fix empty stub helper definitions

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Date:   Tue, 16 May 2023 22:21:24 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Paul Cercueil <paul@...pouillou.net>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-mips@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mtd: rawnand: ingenic: fix empty stub helper definitions

From: Arnd Bergmann <arnd@...db.de>

A few functions provide an empty interface definition when
CONFIG_MTD_NAND_INGENIC_ECC is disabled, but they are accidentally
defined as global functions in the header:

drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:39:5: error: no previous prototype for 'ingenic_ecc_calculate'
drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:46:5: error: no previous prototype for 'ingenic_ecc_correct'
drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:53:6: error: no previous prototype for 'ingenic_ecc_release'
drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:57:21: error: no previous prototype for 'of_ingenic_ecc_get'

Turn them into 'static inline' definitions instead.

Fixes: 15de8c6efd0e ("mtd: rawnand: ingenic: Separate top-level and SoC specific code")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 drivers/mtd/nand/raw/ingenic/ingenic_ecc.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h
index 2cda439b5e11..017868f59f22 100644
--- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.h
@@ -36,25 +36,25 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc,
 void ingenic_ecc_release(struct ingenic_ecc *ecc);
 struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np);
 #else /* CONFIG_MTD_NAND_INGENIC_ECC */
-int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
+static inline int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
 			  struct ingenic_ecc_params *params,
 			  const u8 *buf, u8 *ecc_code)
 {
 	return -ENODEV;
 }
 
-int ingenic_ecc_correct(struct ingenic_ecc *ecc,
+static inline int ingenic_ecc_correct(struct ingenic_ecc *ecc,
 			struct ingenic_ecc_params *params, u8 *buf,
 			u8 *ecc_code)
 {
 	return -ENODEV;
 }
 
-void ingenic_ecc_release(struct ingenic_ecc *ecc)
+static inline void ingenic_ecc_release(struct ingenic_ecc *ecc)
 {
 }
 
-struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np)
+static inline struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np)
 {
 	return ERR_PTR(-ENODEV);
 }
-- 
2.39.2