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SubjectRe: [PATCH v6 03/36] sparc: io: To use the define of ioremap_[nocache|wc|wb] in asm-generic/io.h
2018-01-18 17:56 GMT+08:00 Arnd Bergmann <>:
> On Mon, Jan 15, 2018 at 6:53 AM, Greentime Hu <> wrote:
>> From: Greentime Hu <>
>> It will be built failed if commit id: d25ea659 is selected. This patch
>> can fix this build error.
>> Signed-off-by: Greentime Hu <>
> The change is fine, but the reference to commit 'd25ea659' is not for
> two reasons:
> - when you rebase the tree, you will get a different ID
> - the recommended format for referring to another commit is to list it with
> 12 digits and the one-line summary like this:
> commit d25ea659bc37 ("asm-generic/io.h: move
> ioremap_nocache/ioremap_uc/ioremap_wc/ioremap_…")
> - Ideally you use a 'Fixes:' tag in the patch description.
> You can add these lines in your .gitconfig to help you here
> [alias]
> fixes = show --format='Fixes: %h (\"%s\")' -s
> [core]
> abbrev = 12
> That will give you a 'git fixes' command to output the Fixes: line
> in the correct format for future bug fixes. For this particular change,
> I would actually just merge the two patches into one patch that
> then doesn't break anything in the first place.

Hi, Arnd:

Thank you for your comments and teaching me how to add these messages.
I will update the commit messages and my .gitconfig.

Since the commit id will be changed after rebasing, I will update the
messages like this.

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 <>

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