Re: [PATCH v5 01/16] spi: dw: Set xfer effective_speed_hz

[Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>]

On Fri, May 29, 2020 at 11:49:12AM +0300, Sergei Shtylyov wrote:
> Hello!
> 
> On 29.05.2020 6:58, Serge Semin wrote:
> 
> > Seeing DW APB SSI controller doesn't support setting the exactly
> > requested SPI bus frequency, but only a rounded frequency determined
> > by means of the odd-numbered half-worded reference clock divider,
> > it would be good tune the SPI core up and initialize the current
>                   ^ to?

Thanks! I'll fix it in the next patchset version.

-Sergey

> 
> > transfer effective_speed_hz. By doing so the core will be able to
> > execute the xfer-related delays with better accuracy.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Georgy Vlasov <Georgy.Vlasov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Ramil Zaripov <Ramil.Zaripov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Alexey Malahov <Alexey.Malahov@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
> > Cc: Arnd Bergmann <arnd@xxxxxxxx>
> > Cc: Feng Tang <feng.tang@xxxxxxxxx>
> > Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> > Cc: linux-mips@xxxxxxxxxxxxxxx
> > Cc: devicetree@xxxxxxxxxxxxxxx
> [...]
> 
> MBR, Sergei