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From: Serge Semin <fancer.lancer@gmail.com>
To: Sudip Mukherjee <sudip.mukherjee@sifive.com>
Cc: Serge Semin <Sergey.Semin@baikalelectronics.ru>,
	Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Greentime Hu <greentime.hu@sifive.com>,
	Jude Onyenegecha <jude.onyenegecha@sifive.com>,
	William Salmon <william.salmon@sifive.com>,
	Adnan Chowdhury <adnan.chowdhury@sifive.com>,
	Ben Dooks <ben.dooks@sifive.com>,
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Jeegar Lakhani <jeegar.lakhani@sifive.com>
Subject: Re: [PATCH 00/11] Add support for enhanced SPI for Designware SPI controllers
Date: Sat, 3 Sep 2022 02:03:53 +0300	[thread overview]
Message-ID: <20220902230353.mscyeklhamzpg5s7@mobilestation> (raw)
In-Reply-To: <CAHyZL-cmyRprNmr_DtUQaZFXJtcV-6r-UOksFJeMz=XgDhnMNw@mail.gmail.com>

On Tue, Aug 30, 2022 at 09:48:35AM +0100, Sudip Mukherjee wrote:
> On Fri, Aug 26, 2022 at 7:03 PM Serge Semin <fancer.lancer@gmail.com> 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.
> >
> 
> <snip>
> 
> >
> > 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.

Ok. Don't hesitate to ask.

-Sergey

> 
> -- 
> Regards
> Sudip

      reply	other threads:[~2022-09-02 23:04 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-02 17:57 [PATCH 00/11] Add support for enhanced SPI for Designware SPI controllers Sudip Mukherjee
2022-08-02 17:57 ` [PATCH 01/11] spi: dw: define capability for enhanced spi Sudip Mukherjee
2022-08-02 18:47   ` Mark Brown
2022-08-03 17:34     ` Sudip Mukherjee
2022-08-03 17:40       ` Mark Brown
2022-08-26 18:16   ` Serge Semin
2022-08-02 17:57 ` [PATCH 02/11] spi: dw: add check for support of dual/quad/octal Sudip Mukherjee
2022-08-26 21:36   ` Serge Semin
2022-08-02 17:57 ` [PATCH 03/11] spi: dw: define spi_frf for dual/quad/octal modes Sudip Mukherjee
2022-08-26 22:03   ` Serge Semin
2022-08-26 22:22     ` Serge Semin
2022-08-02 17:57 ` [PATCH 04/11] spi: dw: use TMOD_RO to read in enhanced spi modes Sudip Mukherjee
2022-08-02 19:13   ` Mark Brown
2022-08-03 17:35     ` Sudip Mukherjee
2022-08-26 22:12   ` Serge Semin
2022-08-02 17:57 ` [PATCH 05/11] spi: dw: define SPI_CTRLR0 register and its fields Sudip Mukherjee
2022-08-26 22:19   ` Serge Semin
2022-08-02 17:57 ` [PATCH 06/11] spi: dw: update SPI_CTRLR0 register Sudip Mukherjee
2022-08-26 22:50   ` Serge Semin
2022-08-02 17:57 ` [PATCH 07/11] spi: dw: update NDF while writing in enhanced spi mode Sudip Mukherjee
2022-08-26 22:54   ` Serge Semin
2022-08-02 17:57 ` [PATCH 08/11] spi: dw: update buffer for " Sudip Mukherjee
2022-08-26 23:05   ` Serge Semin
2022-08-02 17:57 ` [PATCH 09/11] spi: dw: prepare the transfer routine for enhanced mode Sudip Mukherjee
2022-08-26 23:19   ` Serge Semin
2022-08-02 17:57 ` [PATCH 10/11] spi: dw-apb-ssi: add generic 1.03a version Sudip Mukherjee
2022-08-03  6:35   ` Krzysztof Kozlowski
2022-08-26 23:23   ` Serge Semin
2022-08-26 23:33   ` Serge Semin
2022-08-02 17:57 ` [PATCH 11/11] spi: dw: initialize dwc-ssi-1.03a controller Sudip Mukherjee
2022-08-26 23:31   ` Serge Semin
2022-08-03 18:56 ` [PATCH 00/11] Add support for enhanced SPI for Designware SPI controllers Serge Semin
2022-08-04  9:43   ` Sudip Mukherjee
2022-08-21 20:37 ` Serge Semin
2022-08-26 18:03 ` Serge Semin
2022-08-30  8:48   ` Sudip Mukherjee
2022-09-02 23:03     ` Serge Semin [this message]

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