From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Robert Foss <rfoss@kernel.org>, Todor Tomov <todor.too@gmail.com>,
Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] media: qcom: camss: vfe: Stop spamming logs with version
Date: Tue, 29 Apr 2025 20:11:20 +0200 [thread overview]
Message-ID: <50fa46da-2a6b-42dd-a8a2-0431cbeeac61@linaro.org> (raw)
In-Reply-To: <20250429180828.950219-4-krzysztof.kozlowski@linaro.org>
On 29/04/2025 20:08, Krzysztof Kozlowski wrote:
> Camss drivers spam kernel dmesg with 64 useless messages during boot:
>
> qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
> qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
>
> All of these messages are the same, so it makes no sense to print same
> information 32 times.
>
> The driver does not use read version at all, so if it was needed for any
> real debugging purpose it would be provided via debugfs interface.
> However even then printing this is pointless, because version of
> hardware block is deducible from the compatible.
This is how the dmesg looks after camss:
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:1 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:3 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:2 HW Version = 2.4.0
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
qcom-camss acb7000.isp: VFE:0 HW Version = 3.0.2
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-04-29 18:11 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 18:08 Krzysztof Kozlowski
2025-04-29 18:08 ` [PATCH 2/3] media: qcom: camss: csid: " Krzysztof Kozlowski
2025-04-29 18:08 ` [PATCH 3/3] media: qcom: camss: csiphy: " Krzysztof Kozlowski
2025-04-29 18:11 ` Krzysztof Kozlowski [this message]
2025-04-29 19:40 ` [PATCH 1/3] media: qcom: camss: vfe: " Bryan O'Donoghue
2025-04-30 6:15 ` Krzysztof Kozlowski
2025-04-30 7:25 ` Johan Hovold
2025-04-30 8:19 ` Krzysztof Kozlowski
2025-04-30 8:30 ` Bryan O'Donoghue
2025-04-30 8:33 ` Krzysztof Kozlowski
2025-05-20 6:06 ` Krzysztof Kozlowski
2025-05-20 7:53 ` Johan Hovold
2025-05-20 8:02 ` Krzysztof Kozlowski
2025-05-20 8:23 ` Johan Hovold
2025-05-20 8:30 ` Krzysztof Kozlowski
2025-05-20 8:39 ` Johan Hovold
2025-05-20 8:44 ` Bryan O'Donoghue
2025-05-20 8:51 ` Krzysztof Kozlowski
2025-05-20 8:58 ` Bryan O'Donoghue
2025-05-20 9:16 ` Krzysztof Kozlowski
2025-05-20 9:17 ` Johan Hovold
2025-04-30 12:31 ` Johan Hovold
2025-04-30 8:24 ` Bryan O'Donoghue
2025-04-30 12:34 ` Johan Hovold
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