linux-kernel - Re: [PATCH v6 0/2] spi: cadence-quadpsi: Add support for the Cadence QSPI controller

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Date:   Wed, 15 Jan 2020 14:21:10 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Vignesh Raghavendra <vigneshr@...com>, broonie@...nel.org,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     robh+dt@...nel.org, dan.carpenter@...cle.com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com
Subject: Re: [PATCH v6 0/2] spi: cadence-quadpsi: Add support for the Cadence
 QSPI controller

Hi,

On 15/1/2020 2:13 PM, Vignesh Raghavendra wrote:
> Hi,
>
> On 12/30/2019 1:11 PM, Ramuthevar,Vadivel MuruganX wrote:
>> 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.
>>
>
>
> I am finally able to get spi-mem based cadence-quaspi driver working on
> TI platforms with DMA and DAC mode. I have also incorporated changes to
> disable DAC and autopolling for your intel SoC:

Thanks! a lot for the confirmation, with your changes it is working on 
TI platform.

> https://github.com/r-vignesh/linux/commits/qspi
>
> (Top two patches are of interest)
>
> I have tested both DAC and INDAC mode with s25fl flash and everything
> seems to be fine. Could you re test the driver on your SoC? Feel free to
> fold it into your series if everything works.
sure, I will test on Intel SoC with your changes .

Regards
Vadivel
> Regards
> Vignesh
>
>
>