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

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Date:   Thu, 19 Nov 2020 18:06:53 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     "Ramuthevar,Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.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



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.
> 
> 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.  

Suggestion was to drop patches converting legacy binding doc to YAML schema.
You still need to include a patch documenting new compatible
"intel,lgm-qspi" in the existing (legacy) binding doc.