Re: [PATCH V3 01/10] arch/csky: Use VDSP instead of DSP

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Hello,

On Wed, 29 May 2019 17:45:19 +0800
Guo Ren <guoren@xxxxxxxxxx> wrote:

> > I am willing to help you formulate this properly, but since I still
> > don't understand why you are dropping the DSP option, I can't really
> > help by proposing a better wording.  
> DSP extention is no longer used for C-SKY and there is no defconfig
> use "e" extension in buildroot.

Not having a defconfig doesn't mean something is not supported. There
are tons of features in Buildroot that are not enabled by defconfig,
and still we do support them.

> Change commit log, like this:
> 
> Subject: Change DSP to VDSP for -mcpu
> 
> DSP extention is no longer used for C-SKY gcc and there is no
> defconfig use "e" extension
> in buildroot.

Again, the defconfig aspect is irrelevant. Only the fact the extension
is no longer used for C-SKY is relevant.

> VDSP is C-SKY enhanced extension instruction set for SIMD, AI and DSP
> operation. It could be supported by abiv2 (ck807, ck810, ck860).
> 
> Is that OK?

Yes, with the change above.

Thanks!

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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