Messages in this thread | | | Subject | Re: [PATCH v3 19/27] drm: replace devm_ioremap_nocache with devm_ioremap | From | Yisheng Xie <> | Date | Fri, 12 Jan 2018 17:37:01 +0800 |
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Hi Benjamin ,
On 2018/1/9 17:21, Benjamin Gaignard wrote: > 2017-12-23 12:01 GMT+01:00 Yisheng Xie <xieyisheng1@huawei.com>: >> > 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 > That looks true for arm and arm64 architectures but not, for exemple, for ia64: > https://elixir.free-electrons.com/linux/v4.15-rc7/source/arch/ia64/mm/ioremap.c > > If there is still one architecture doing a difference between cached > and uncached > ioremap we can't remove devm_ioremap_nocache...
Right.
> > This patch only concern arm chipsets so we can apply it but that will > not help you to > reduce devres size.
Yes, And sorry for disturb. Please ignore about this patch.
Thanks Yisheng >
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