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SubjectRe: [PATCH v7 03/37] sparc: io: To use the define of ioremap_[nocache|wc|wb] in asm-generic/io.h
2018-02-14 22:43 GMT+08:00 Arnd Bergmann <arnd@arndb.de>:
> On Tue, Feb 13, 2018 at 10:09 AM, Greentime Hu <green.hu@gmail.com> wrote:
>> A commit for the nds32 architecture bootstrap("asm-generic/io.h: move
>> ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of ifndef CONFIG_MMU")
>> will move the ioremap_nocache out of the CONFIG_MMU ifdef. This means that
>> in order to suppress re-definition errors we need to remove the #define
>> in io_32.h.
>>
>> Also, the change adds a prototype for ioremap where size is size_t and
>> offset is phys_addr_t so fix that as well.
>>
>> Signed-off-by: Greentime Hu <greentime@andestech.com>
>
> This patch should have been addressed to the sparclinux mailing list to
> the maintainers can see it, otherwise they are unlikely to notice.
>
> Added it to Cc now.
>
> Can you confirm that the patches are ordered correctly in your series so that
> at no point, sparc is in a state that fails to be build cleanly?
>
> If not, this may have to get merged into the other patch.

Hi, Arnd:

These 2 patch will cause sparc building error in any order.

commit af84603e339a6832052071aca1f2a16b8963cc2e
Author: Greentime Hu <green.hu@gmail.com>
Date: Tue Feb 13 17:09:07 2018 +0800

sparc: io: To use the define of ioremap_[nocache|wc|wb] in asm-generic/io.h

A commit for the nds32 architecture bootstrap("asm-generic/io.h: move
ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of ifndef
CONFIG_MMU")
will move the ioremap_nocache out of the CONFIG_MMU ifdef. This means that
in order to suppress re-definition errors we need to remove the #define
in io_32.h.

Also, the change adds a prototype for ioremap where size is size_t and
offset is phys_addr_t so fix that as well.

Signed-off-by: Greentime Hu <greentime@andestech.com>

commit 1995b30ea6628b261192662741940c22ac978884
Author: Greentime Hu <green.hu@gmail.com>
Date: Tue Feb 13 17:09:06 2018 +0800

asm-generic/io.h: move
ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of ifndef
CONFIG_MMU

It allows some architectures to use this generic macro instead of
defining theirs.

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Should I merge them together like this?

asm-generic/io.h: move ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_wt out of
ifndef CONFIG_MMU

It allows some architectures to use this generic macro instead of
defining theirs.

sparc: io: To use the define of ioremap_[nocache|wc|wb] in asm-generic/io.h
It will move the ioremap_nocache out of the CONFIG_MMU ifdef. This means that
in order to suppress re-definition errors we need to remove the #define
in arch/sparc/include/asm/io_32.h. Also, the change adds a prototype for
ioremap where size is size_t and offset is phys_addr_t so fix that as well.

Signed-off-by: Greentime Hu <greentime@andestech.com>

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