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SubjectRe: [PATCH v3 06/27] gpio: replace devm_ioremap_nocache with devm_ioremap
On Wed, Jan 3, 2018 at 7:05 AM, Yisheng Xie <> wrote:
> On 2018/1/2 16:41, Linus Walleij wrote:
>> On Sat, Dec 23, 2017 at 11:58 AM, Yisheng Xie <> wrote:
>>> Default ioremap is ioremap_nocache, so devm_ioremap has the same
>>> function with devm_ioremap_nocache, which can just be killed to
>>> save the size of devres.o
>>> This patch is to use use devm_ioremap instead of devm_ioremap_nocache,
>>> which should not have any function change but prepare for killing
>>> devm_ioremap_nocache.
>>> Cc: Linus Walleij <>
>>> Cc:
>>> Signed-off-by: Yisheng Xie <>
> Well, I list the ARCHs related to the change file, do not include cris,ia64,mn10300
> and openrisc, which ioremap is not the same as ioremap_nocache, as discussed in cover
> letter. So please let me know if I need update the comment.

I dropped the patch until it's figured out that none of these arches
are affected
by the change.

Please resend with a comment explaining why the change is harmless on the
architectures these drivers are for.

Linus Walleij

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