linux-kernel - Re: [PATCH v1 4/6] spi: cadence-quadspi: Add QSPI support for Intel LGM SoC

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Message-ID: <2c5d1e04-3b4c-311e-38fb-357e2fcd44a8@linux.intel.com>
Date:   Mon, 19 Oct 2020 14:26:36 +0800
From:   "Ramuthevar, Vadivel MuruganX" 
        <vadivel.muruganx.ramuthevar@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     vigneshr@...com, tudor.ambarus@...rochip.com,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        miquel.raynal@...tlin.com, simon.k.r.goldschmidt@...il.com,
        dinguyen@...nel.org, richard@....at, cheol.yong.kim@...el.com,
        qi-ming.wu@...el.com
Subject: Re: [PATCH v1 4/6] spi: cadence-quadspi: Add QSPI support for Intel
 LGM SoC

Hi Mark,

On 17/10/2020 12:33 am, Mark Brown wrote:
> On Fri, Oct 16, 2020 at 05:31:36PM +0800, Ramuthevar,Vadivel MuruganX wrote:
> 
>> +	depends on OF && (ARM || ARM64 || X86 || COMPILE_TEST)
> 
>> +	{
>> +		.compatible = "intel,lgm-qspi",
>> +	},
> 
> This is an x86 SoC (or SoC series) - is it really going to use DT for
> the firmware interfaces? 
Thank you for the review comments...
Intel LGM SoC does uses DT based firmware blob.
  It's not specifically a problem, just
> surprising to see something other than ACPI.  Or is the intention to use
> PRP0001? 
Yes, You're right most of them uses ACPI based, but LGM SoC doesn't.

Regards
Vadivel
  There's a new comaptible here which wasn't really the use case
> for PRP0001.  Like I say not really a problem, just curious.
>