linux-kernel - Re: [PATCH v6 3/9] spi: Add a driver for the Freescale/NXP QuadSPI controller

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Message-ID: <f12ea437-5fa5-7ca8-a5ba-b4cc1e9b38f7@kontron.de>
Date:   Tue, 4 Dec 2018 08:20:03 +0000
From:   Schrempf Frieder <frieder.schrempf@...tron.de>
To:     Han Xu <han.xu@....com>,
        Yogesh Narayan Gaur <yogeshnarayan.gaur@....com>,
        "linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
        "boris.brezillon@...tlin.com" <boris.brezillon@...tlin.com>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        Marek Vasut <marek.vasut@...il.com>,
        Mark Brown <broonie@...nel.org>
CC:     "dwmw2@...radead.org" <dwmw2@...radead.org>,
        "computersforpeace@...il.com" <computersforpeace@...il.com>,
        "richard@....at" <richard@....at>,
        "miquel.raynal@...tlin.com" <miquel.raynal@...tlin.com>,
        David Wolfe <david.wolfe@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        "Prabhakar Kushwaha" <prabhakar.kushwaha@....com>,
        dl-linux-imx <linux-imx@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 3/9] spi: Add a driver for the Freescale/NXP QuadSPI
 controller

Hi Han,

On 03.12.18 21:54, Han Xu wrote:
[...]
>>>
>>> Hi Schrempf, I am reviewing and testing on some i.MX platforms, please
>> hold on for a while for the result.
>>
>> Okay, thanks! I'm looking forward to see the results.
> 
> Hi Schrempf, I am good with the patch set(with warning fix) and it works fine on i.MX platforms. I will add review and test tags for next version.

Ok, thanks for doing the tests. I will send the next version soon.

> I have one questions about the DDR mode support, it there any further plans for DDR mode support rather than SDR only?
I didn't look at DDR mode support yet. I guess some changes in the SPI 
NOR and SPI MEM layers are necessary, before the controller drivers can 
implement DDR mode support.

Thanks,
Frieder