linux-kernel - [PATCH] mtd: rawnand: constify elements of NAND_OP_PARSER(

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Date:   Tue,  9 Apr 2019 13:53:32 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Boris Brezillon <bbrezillon@...nel.org>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Brian Norris <computersforpeace@...il.com>,
        linux-kernel@...r.kernel.org, Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH] mtd: rawnand: constify elements of NAND_OP_PARSER(_PATTERN)

Currently, drivers are able to constify a nand_op_parser array,
but not nand_op_parser_pattern and nand_op_parser_pattern_elem
since they are instantiated by using the NAND_OP_PARSER(_PATTERN).

Add 'const' to them in order to move more driver data from .data to
.rodata section.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 include/linux/mtd/rawnand.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index b7445a44a814..ebde52088e4d 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -805,7 +805,7 @@ struct nand_op_parser_pattern {
 #define NAND_OP_PARSER_PATTERN(_exec, ...)							\
 	{											\
 		.exec = _exec,									\
-		.elems = (struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ },		\
+		.elems = (const struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ },		\
 		.nelems = sizeof((struct nand_op_parser_pattern_elem[]) { __VA_ARGS__ }) /	\
 			  sizeof(struct nand_op_parser_pattern_elem),				\
 	}
@@ -831,7 +831,7 @@ struct nand_op_parser {
 
 #define NAND_OP_PARSER(...)									\
 	{											\
-		.patterns = (struct nand_op_parser_pattern[]) { __VA_ARGS__ },			\
+		.patterns = (const struct nand_op_parser_pattern[]) { __VA_ARGS__ },		\
 		.npatterns = sizeof((struct nand_op_parser_pattern[]) { __VA_ARGS__ }) /	\
 			     sizeof(struct nand_op_parser_pattern),				\
 	}
-- 
2.17.1