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SubjectRe: [PATCH 00/11] Add support for enhanced SPI for Designware SPI controllers
On Fri, Aug 26, 2022 at 7:03 PM Serge Semin <> wrote:
> Hello Sudip
> On Tue, Aug 02, 2022 at 06:57:44PM +0100, Sudip Mukherjee wrote:
> > Some Synopsys SSI controllers support enhanced SPI which includes
> > Dual mode, Quad mode and Octal mode. DWC_ssi includes clock stretching
> > feature in enhanced SPI modes which can be used to prevent FIFO underflow
> > and overflow conditions while transmitting or receiving the data respectively.
> > This is only tested on controller version 1.03a.


> I've deliberately collected all the generic comments here so you'd be
> aware of the required changes in total, because I very much doubt all
> of them could be fixed at once via a single patchset iteration. But as
> soon as all of them are fixed we'll get a very nice and neat solution
> for the eSPI feature.

Thanks a lot for the summary here Sergey. I am sure I will have a few
questions for you after I start with the changes.


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