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Date: Mon, 1 Jun 2026 13:47:35 +0200
From: Krzysztof Kozlowski <krzk@kernel.org>
To: Santhosh Kumar K <s-k6@ti.com>
Cc: broonie@kernel.org, robh@kernel.org, krzk+dt@kernel.org, 
	conor+dt@kernel.org, miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, 
	pratyush@kernel.org, mwalle@kernel.org, takahiro.kuwano@infineon.com, 
	linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
	linux-mtd@lists.infradead.org, praneeth@ti.com, u-kumar1@ti.com, a-dutta@ti.com
Subject: Re: [PATCH v3 02/13] spi: dt-bindings: cdns,qspi-nor: add PHY tuning
 pattern partition property
Message-ID: <20260601-stirring-tested-mayfly-e97c14@quoll>
References: <20260527175527.2247679-1-s-k6@ti.com>
 <20260527175527.2247679-3-s-k6@ti.com>
 <20260530-original-peccary-of-cubism-af68ed@quoll>
 <2f091813-fa28-407f-892d-bbbbe3cac4e4@ti.com>
 <063fe976-9a28-4670-90df-921fbc1c3a8c@kernel.org>
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In-Reply-To: <063fe976-9a28-4670-90df-921fbc1c3a8c@kernel.org>

On Mon, Jun 01, 2026 at 01:26:27PM +0200, Krzysztof Kozlowski wrote:
 >>
> >> This should be used in any of applicable examples.
> > 
> > Please refer to the DT changes included in the repository linked in the
> > cover letter, which should provide a clearer picture of how this
> > property is intended to be used. [0]
> > 
> > I'll also add a DT binding example in the next version to make the usage
> > more explicit.
> 
> Why do you new a new example? Why existing examples are not applicable?

typo: "Why do you need a new example?"

> 
> > 
> >>
> >> I also have doubts that this is per-device property. Your commit msg
> >> suggests it is per controller.
> > 
> > This is a per-device property. It is consumed by the controller driver
> > only to locate and retrieve the offset of the PHY pattern partition
> 
> So with two devices on a bus, you need two separate partitions for tuning?

Best regards,
Krzysztof