RE: [PATCH net-next 11/13] ravb: Factorise ravb_dmac_init function

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Hi Sergei,

Thanks for the feedback.

> Subject: Re: [PATCH net-next 11/13] ravb: Factorise ravb_dmac_init
> function
> 
> On 8/25/21 10:01 AM, Biju Das wrote:
> 
> > The DMAC IP on the R-Car AVB module has different initialization
> > parameters for RCR, TGC, TCCR, RIC0, RIC2, and TIC compared to DMAC IP
> > on the RZ/G2L Gigabit Ethernet module. Factorise the ravb_dmac_init
> > function to support the later SoC.
> 
>    Couldn't we resolve these differencies like the sh_eth driver does, by
> adding the register values into the *struct* ravb_hw_info?

I will evaluate your proposal in terms of code size and data size
And with the current code and share the details in next RFC patchset
for supporting RZ/G2L with dmac_init function.
Based on the RFC discussion, we can conclude it.

Currently by looking at your proposal, I am seeing duplication of
Data in R-Car Gen3 and R-Car Gen2.

If statement for adding RIC3 register for RZ/G2L, which involves
Exposing another hwinfo bit.

Regards,
Biju

> 
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> [...]
> 
> MBR, Sergey




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