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From: "Ramuthevar, Vadivel MuruganX" <vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Boris Brezillon
	<boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	vigneshr-l0cyMroinI0@public.gmane.org,
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Subject: Re: [PATCH v11 2/2] spi: cadence-quadspi: Add support for the Cadence QSPI controller
Date: Fri, 28 Feb 2020 15:53:37 +0800	[thread overview]
Message-ID: <10c5ec3f-8f1e-3f6f-a9cc-c8a3f8f2be75@linux.intel.com> (raw)
In-Reply-To: <20200228084651.1ad0e334-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>

Hi Boris,

On 28/2/2020 3:46 PM, Boris Brezillon wrote:
> On Fri, 28 Feb 2020 12:11:09 +0800
> "Ramuthevar, Vadivel MuruganX"
> <vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> wrote:
>
>> Hi Boris,
>>
>>        Thank you so much for the review comments...
>>
>> On 28/2/2020 1:30 AM, Boris Brezillon wrote:
>>> On Thu, 27 Feb 2020 14:27:08 +0800
>>> "Ramuthevar, Vadivel MuruganX"
>>> <vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> wrote:
>>>   
>>>> From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
>>>>
>>>> Add support for the Cadence QSPI controller. This controller is
>>>> present in the Intel Lightning Mountain(LGM) SoCs, Altera and TI SoCs.
>>>> This driver has been tested on the Intel LGM SoCs.
>>>>
>>>> This driver does not support generic SPI and also the implementation
>>>> only supports spi-mem interface to replace the existing driver in
>>>> mtd/spi-nor/cadence-quadspi.c, the existing driver only support SPI-NOR
>>>> flash memory
>>> Is it really supporting SPI NORs only, or is it just that you only
>>> tested it with a spi-nor?
>> The existing drivers/mtd/spi-nor/cadence-quadspi.c supports SPI-NORs
>> only, because the driver is developed
>>
>> such a way that it does not support other SPI based flash memories, also
>> never uses SPI/SPI-MEM based framework.
>>
>> So we Vignesh suggested me to  develop the new driver which supports
>> both SPI-NOR and SPI-NAND based on the SPI-MEM framework.
> Hm, your commit message makes it sound like even the new driver isn't
> generic enough to support SPI NANDs. Maybe there's something to improve
> to clarify the fact that this new version is not limited to SPI NORs.

Thanks! for the suggestions to remind me to add.

sure, I will add more information about supporting SPI-NOR and SPI-NAND

Regards
Vadivel

      parent reply	other threads:[~2020-02-28  7:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27  6:27 [PATCH v11 0/2] " Ramuthevar,Vadivel MuruganX
     [not found] ` <20200227062708.21544-1-vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-27  6:27   ` [PATCH v11 1/2] dt-bindings: spi: Add schema for Cadence QSPI Controller driver Ramuthevar,Vadivel MuruganX
     [not found]     ` <20200227062708.21544-2-vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-27 17:07       ` Rob Herring
     [not found]         ` <CAL_JsqJno0gmUnGnsWFYdHY_3CHNijtksAmRhuEudimip0aK4w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-02-28  3:01           ` Ramuthevar, Vadivel MuruganX
2020-02-27 17:07       ` Rob Herring
2020-02-28  3:08         ` Ramuthevar, Vadivel MuruganX
2020-02-27  6:27   ` [PATCH v11 2/2] spi: cadence-quadspi: Add support for the Cadence QSPI controller Ramuthevar,Vadivel MuruganX
     [not found]     ` <20200227062708.21544-3-vadivel.muruganx.ramuthevar-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-27 17:30       ` Boris Brezillon
     [not found]         ` <20200227183032.77ef0795-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-02-27 17:32           ` Mark Brown
     [not found]             ` <20200227173224.GH4062-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2020-02-28  6:15               ` Ramuthevar, Vadivel MuruganX
2020-02-28  4:11           ` Ramuthevar, Vadivel MuruganX
     [not found]             ` <f82e4964-f030-9aac-5895-a715921ed6db-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2020-02-28  7:46               ` Boris Brezillon
     [not found]                 ` <20200228084651.1ad0e334-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2020-02-28  7:53                   ` Ramuthevar, Vadivel MuruganX [this message]

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