Re: [PATCH v3 00/11] Optimize spi_sync path

[David Jander <david@xxxxxxxxxxx>]

Hi Thomas,

On Fri, 15 Jul 2022 16:13:42 +0200
Thomas Kopp <thomas.kopp@xxxxxxxxxxxxx> wrote:

> Hi David,
>  
> some numbers after testing your patch on a RPI 5.15.y vs 5.19rc6 and the
> mcp2518fd:
> 
> Two Backtoback SPI transfers with 9 byte each went from 78us to 36us! All
> metrics improved (cs to first clock cyle, last clock cycle to cs, and delay
> between two transfers). That's a great help for the mcp driver (or any
> similar SPI device).
> 
> Thanks for your work on this!

Thanks a lot for testing and reporting! It is very encouraging to hear first
reports of people confirming the gains I intended to accomplish.

Best regards,

-- 
David Jander
Protonic Holland.