linux-kernel - Re: [PATCH 1/3] mtd: spi-nor: Add Octal mode support for mt35xu512aba

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Date:   Thu, 4 Oct 2018 11:10:30 +0200
From:   Boris Brezillon <boris.brezillon@...tlin.com>
To:     Yogesh Narayan Gaur <yogeshnarayan.gaur@....com>
Cc:     Vignesh R <vigneshr@...com>, Marek Vasut <marek.vasut@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Brian Norris <computersforpeace@...il.com>,
        Linux ARM Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "juliensu@...c.com.tw" <juliensu@...c.com.tw>,
        "zhengxunli@...c.com.tw" <zhengxunli@...c.com.tw>,
        "masonccyang@...c.com.tw" <masonccyang@...c.com.tw>
Subject: Re: [PATCH 1/3] mtd: spi-nor: Add Octal mode support for
 mt35xu512aba

On Thu, 4 Oct 2018 08:47:33 +0000
Yogesh Narayan Gaur <yogeshnarayan.gaur@....com> wrote:

> > 
> > Yogesh, you already sent "spi: add flags for octal I/O data
> > transfer" [3] which is only adding the new OCTAL flags but is not
> > patching spi.c and spi-mem.c to take those new flags into account.
> > Here is my version of this patch [2] (it's still missing an update
> > of SPI_MEM_MAX_BUSWIDTH). Let me know what you want to do (rework
> > your version to address the problem or take mine). 
> I haven't said that I have sent the patches.

Well, you at least sent one of them, I know it because I was in
CC :P.

> My patches are ready and needed to be sent for review.

I initially told you to drop those patches because we didn't have a
user yet, that's about to change, so I guess we're all good.

> In these patches,  I am adding support for X-X-X protocol for octal
> support and integrating them with spi  and flash m25p80 interface.

>From what I've seen you're not adding support of 8-8-8 but for 1-8-8 an
1-1-8, which is a lot easier to deal with (it's completely stateless,
which is what the spi-nor expects). Unless you're talking about other
patches you haven't sent yet...