linux-kernel - Re: [PATCH v8 0/6] spi: cadence-quadspi: Add QSPI controller support for Intel LGM SoC

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Date:   Fri, 20 Nov 2020 08:34:14 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Vignesh Raghavendra <vigneshr@...com>, broonie@...nel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Cc:     linux-mtd@...ts.infradead.org, p.yadav@...com,
        cheol.yong.kim@...el.com, qi-ming.wu@...el.com
Subject: Re: [PATCH v8 0/6] spi: cadence-quadspi: Add QSPI controller support
 for Intel LGM SoC

Hi Vignesh,

Thank you for the review comments...

On 19/11/2020 9:06 pm, Vignesh Raghavendra wrote:
> 
> 
> On 11/19/20 11:25 AM, Ramuthevar,Vadivel MuruganX wrote:
>> Add QSPI controller support for Intel LGM SoC.
>>
>> Note from Vignesh(mtd subsystem maintainer):
>> This series is a subset of "[PATCH v12 0/4] spi: cadence-quadspi: Add
>> support for the Cadence QSPI controller" by Ramuthevar,Vadivel MuruganX
>> <vadivel.muruganx.ramuthevar@...ux.intel.com> that intended to move
>> cadence-quadspi driver to spi-mem framework
>>
>> Those patches were trying to accomplish too many things in a single set
>> of patches and need to split into smaller patches. This is reduced
>> version of above series.
>>
>> Changes that are intended to make migration easy are split into separate
>> patches. Patches 1 to 3 drop features that cannot be supported under
>> spi-mem at the moment (backward compatibility is maintained).
>> Patch 4-5 are trivial cleanups. Patch 6 does the actual conversion to
>> spi-mem and patch 7 moves the driver to drivers/spi folder.
>>
> 
> This text no longer makes sense anymore with few patches dropped and
> others reordered
Just for reference added, will drop it.
> 
>> I have tested both INDAC mode (used by non TI platforms like Altera
>> SoCFPGA) and DAC mode (used by TI platforms) on TI EVMs.
>>
>> Patches to move move bindings over to
>> "Documentation/devicetree/bindings/spi/" directory and also conversion
>> of bindig doc to YAML will be posted separately.  Support for Intel
>> platform would follow that.
>>
>> Reference:
>>          https://lkml.org/lkml/2020/6/1/50
>>
>> ---
>> v8:
>>    - As Mark suggested to add the dt-bindings documentation patches
>>      end of the series , so dropped.
> 
> 
>>
>> Ramuthevar Vadivel Murugan (6):
>>    spi: cadence-quadspi: Add QSPI support for Intel LGM SoC
>>    spi: cadence-quadspi: Disable the DAC for Intel LGM SoC
>>    spi: cadence-quadspi: Add multi-chipselect support for Intel LGM SoC
>>    spi: Move cadence-quadspi.txt to Documentation/devicetree/bindings/spi
>>    dt-bindings: spi: Convert cadence-quadspi.txt to cadence-quadspi.yaml
>>    dt-bindings: spi: Add compatible for Intel LGM SoC
>>
> 
> This is quite confusing... Summary/diffstat still shows patches 4 to 6
> and so does the patch numbering in $subject while changelog says
> otherwise and I received only 3 patches in my Inbox?
oh my bad, while patch creation wrongly added, will correct it, thanks!

Regards
Vadivel
> 
> 
>>   .../devicetree/bindings/mtd/cadence-quadspi.txt    |  67 ----------
>>   .../devicetree/bindings/spi/cdns,qspi-nor.yaml     | 148 +++++++++++++++++++++
>>   drivers/spi/Kconfig                                |   2 +-
>>   drivers/spi/spi-cadence-quadspi.c                  |  33 ++++-
>>   4 files changed, 178 insertions(+), 72 deletions(-)
>>   delete mode 100644 Documentation/devicetree/bindings/mtd/cadence-quadspi.txt
>>   create mode 100644 Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml
>>
> 
> So does the diffstat...
>