linux-kernel - Re: linux-next: build failure after merge of the nand tree

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Date:   Tue, 02 Apr 2019 01:31:52 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Boris Brezillon <boris.brezillon@...tlin.com>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the nand tree

Hi Stephen,

Le mar. 2 avril 2019 à 1:14, Stephen Rothwell <sfr@...b.auug.org.au> a 
écrit :
> Hi all,
> 
> After merging the nand tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:26:5: error: redefinition 
> of 'ingenic_ecc_calculate'
>  int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
>      ^~~~~~~~~~~~~~~~~~~~~
> In file included from drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:14:
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:39:5: note: previous 
> definition of 'ingenic_ecc_calculate' was here
>  int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
>      ^~~~~~~~~~~~~~~~~~~~~
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:47:5: error: redefinition 
> of 'ingenic_ecc_correct'
>  int ingenic_ecc_correct(struct ingenic_ecc *ecc,
>      ^~~~~~~~~~~~~~~~~~~
> In file included from drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:14:
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:46:5: note: previous 
> definition of 'ingenic_ecc_correct' was here
>  int ingenic_ecc_correct(struct ingenic_ecc *ecc,
>      ^~~~~~~~~~~~~~~~~~~
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:93:21: error: redefinition 
> of 'of_ingenic_ecc_get'
>  struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *of_node)
>                      ^~~~~~~~~~~~~~~~~~
> In file included from drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:14:
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:57:21: note: previous 
> definition of 'of_ingenic_ecc_get' was here
>  struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *np)
>                      ^~~~~~~~~~~~~~~~~~
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:119:6: error: redefinition 
> of 'ingenic_ecc_release'
>  void ingenic_ecc_release(struct ingenic_ecc *ecc)
>       ^~~~~~~~~~~~~~~~~~~
> In file included from drivers/mtd/nand/raw/ingenic/ingenic_ecc.c:14:
> drivers/mtd/nand/raw/ingenic/ingenic_ecc.h:53:6: note: previous 
> definition of 'ingenic_ecc_release' was here
>  void ingenic_ecc_release(struct ingenic_ecc *ecc)
>       ^~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   8278ad0d709a ("mtd: rawnand: ingenic: Separate top-level and SoC 
> specific code")
> 
> I have used the nand tree from next-20190401 for today.

That makes no sense to me; from the offsets of the errors in the 
ingenic_ecc.h
file, it seems that CONFIG_MTD_NAND_INGENIC_ECC is not set, and in this 
case
ingenic_ecc.c should not be compiled at all.

-Paul