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SubjectRe: [PATCH] powerpc/sysdev: fix compile errors
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Le 18/05/2020 à 12:32, Jiri Kosina a écrit :
> On Mon, 18 May 2020, Jiri Kosina wrote:
>
>>>> 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@vivo.com>
>>>
>>> Reviewed-by: Christophe Leroy <christophe.leroy@c-s.fr>
>>
>> As this doesn't seem to have been picked up for linux-next yet, I am
>> picking it up now.
>
> Only now I've noticed that this is actually a dead code o_O as this file
> can't be built by any combination of config options. So I am dropping the
> patch again, but why do we keep it in the tree in the first place?
>

There is a series aiming at making use of it, see
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=172421

Christophe

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