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From: Anusha Arun Nandi <anusha.nandi@oss.qualcomm.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
	Nihal Kumar Gupta <nihal.gupta@oss.qualcomm.com>,
	david@ixit.cz, andersson@kernel.org, konradybcio@kernel.org,
	robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
	bod@kernel.org, vladimir.zapolskiy@linaro.org,
	loic.poulain@oss.qualcomm.com, mchehab@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	gjorgji.rosikopulos@oss.qualcomm.com,
	jigarkumar.zala@oss.qualcomm.com,
	hariram.purushothaman@oss.qualcomm.com, akapatra@quicinc.com,
	bryan.odonoghue@linaro.org, linux-media@vger.kernel.org,
	krzysztof.kozlowski@oss.qualcomm.com, daniel@quora.org,
	konrad.dybcio@oss.qualcomm.com, christopher.obbard@linaro.org,
	alex.vinarskis@gmail.com,
	Vikram Sharma <vikram.sharma@oss.qualcomm.com>
Subject: Re: [PATCH 0/2] media: qcom: camss: track PHY type and scale link frequency for C-PHY
Date: Mon, 19 Oct 2026 15:56:11 -0700	[thread overview]
Message-ID: <bc790885-bb5b-4dca-b5f7-5c338b809f21@oss.qualcomm.com> (raw)
In-Reply-To: <26e2a1cb-d792-4ca2-8530-865ebb887eb7@kernel.org>

Hi Nihal, Krzyszto,

You're right. The driver itself does not depend on the DTS. Apologies
for the confusion.

The Depends-on was included purely for testing purposes. During
validation on sa8775p, qcs8300, and sc7280, we needed the corresponding
DTSI changes to instantiate the C-PHY consumer nodes so the driver could
probe and be exercised on real hardware. Without those device-tree
nodes, the driver simply wouldn't bind on those platforms in our test
environments.

Since this is a C-PHY consumer driver, the DTS patches are what enable
the PHY nodes that the driver attaches to. They are a prerequisite for
functional testing, not for compilation or correctness of the driver
code itself. The driver is self-contained and will build and function
correctly independent of those DTS changes.

I will drop the Depends-on from the next revision.

Apologies for the noise.

Thanks, Anusha

On 10/17/2026 10:35 AM, Krzysztof Kozlowski wrote:
> On 17/10/2026 19:30, Nihal Kumar Gupta wrote:
>>
>>
>> On 17-10-2026 09:22, Anusha Arun Nandi wrote:
>>> Depends-on: https://lore.kernel.org/all/20261017001116.2318647-1-anusha.nandi@oss.qualcomm.com/
>>
>> This Depends-on is in the wrong series. 
>> The driver should not depend on the DTS.
> 
> Good point. If dependency is true, then this patchset is just broken.
> 
> Best regards,
> Krzysztof


      reply	other threads:[~2026-10-19 22:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-17  3:52 Anusha Arun Nandi
2026-10-17  3:52 ` [PATCH 1/2] media: qcom: camss: csiphy: record PHY type from device-tree bus-type Anusha Arun Nandi
2026-10-17  3:52 ` [PATCH 2/2] media: qcom: camss: account for C-PHY when calculating link frequency Anusha Arun Nandi
2026-10-17 10:12   ` George Neacsu
2026-10-19 22:35     ` Anusha Arun Nandi
2026-10-17 17:30 ` [PATCH 0/2] media: qcom: camss: track PHY type and scale link frequency for C-PHY Nihal Kumar Gupta
2026-10-17 17:35   ` Krzysztof Kozlowski
2026-10-19 22:56     ` Anusha Arun Nandi [this message]

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