linux-kernel - Re: [PATCH] powerpc/sysdev: fix compile errors

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Message-ID: <62251ec1-dd42-6522-dcb2-613838cd5504@c-s.fr>
Date:   Mon, 2 Mar 2020 07:38:53 +0100
From:   Christophe Leroy <christophe.leroy@....fr>
To:     WANG Wenhu <wenhu.wang@...o.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Allison Randal <allison@...utok.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     wenhu.pku@...il.com, trivial@...nel.org
Subject: Re: [PATCH] powerpc/sysdev: fix compile errors



Le 02/03/2020 à 06:37, WANG Wenhu a écrit :
> Include linux/io.h into fsl_85xx_cache_sram.c to fix the
> implicit-declaration compile errors when building Cache-Sram.
> 
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c: In function ‘instantiate_cache_sram’:
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:26: error: implicit declaration of function ‘ioremap_coherent’; did you mean ‘bitmap_complement’? [-Werror=implicit-function-declaration]
>    cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
>                            ^~~~~~~~~~~~~~~~
>                            bitmap_complement
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:24: error: assignment makes pointer from integer without a cast [-Werror=int-conversion]
>    cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
>                          ^
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:123:2: error: implicit declaration of function ‘iounmap’; did you mean ‘roundup’? [-Werror=implicit-function-declaration]
>    iounmap(cache_sram->base_virt);
>    ^~~~~~~
>    roundup
> cc1: all warnings being treated as errors
> 
> Fixed: commit 6db92cc9d07d ("powerpc/85xx: add cache-sram support")
> Signed-off-by: WANG Wenhu <wenhu.wang@...o.com>

Reviewed-by: Christophe Leroy <christophe.leroy@....fr>

> ---
>   arch/powerpc/sysdev/fsl_85xx_cache_sram.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> index f6c665dac725..be3aef4229d7 100644
> --- a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> +++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> @@ -17,6 +17,7 @@
>   #include <linux/of_platform.h>
>   #include <asm/pgtable.h>
>   #include <asm/fsl_85xx_cache_sram.h>
> +#include <linux/io.h>
>   
>   #include "fsl_85xx_cache_ctlr.h"
>   
>