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Tue, 29 Apr 2025 11:11:21 -0700 (PDT) Message-ID: <50fa46da-2a6b-42dd-a8a2-0431cbeeac61@linaro.org> Date: Tue, 29 Apr 2025 20:11:20 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] media: qcom: camss: vfe: Stop spamming logs with version To: Robert Foss , Todor Tomov , Bryan O'Donoghue , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250429180828.950219-4-krzysztof.kozlowski@linaro.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzysztof.kozlowski@linaro.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzTRLcnp5c3p0b2Yg S296bG93c2tpIDxrcnp5c3p0b2Yua296bG93c2tpQGxpbmFyby5vcmc+wsGUBBMBCgA+FiEE m9B+DgxR+NWWd7dUG5NDfTtBYpsFAmI+BxMCGwMFCRRfreEFCwkIBwIGFQoJCAsCBBYCAwEC HgECF4AACgkQG5NDfTtBYptgbhAAjAGunRoOTduBeC7V6GGOQMYIT5n3OuDSzG1oZyM4kyvO XeodvvYv49/ng473E8ZFhXfrre+c1olbr1A8pnz9vKVQs9JGVa6wwr/6ddH7/yvcaCQnHRPK mnXyP2BViBlyDWQ71UC3N12YCoHE2cVmfrn4JeyK/gHCvcW3hUW4i5rMd5M5WZAeiJj3rvYh v8WMKDJOtZFXxwaYGbvFJNDdvdTHc2x2fGaWwmXMJn2xs1ZyFAeHQvrp49mS6PBQZzcx0XL5 cU9ZjhzOZDn6Apv45/C/lUJvPc3lo/pr5cmlOvPq1AsP6/xRXsEFX/SdvdxJ8w9KtGaxdJuf rpzLQ8Ht+H0lY2On1duYhmro8WglOypHy+TusYrDEry2qDNlc/bApQKtd9uqyDZ+rx8bGxyY qBP6bvsQx5YACI4p8R0J43tSqWwJTP/R5oPRQW2O1Ye1DEcdeyzZfifrQz58aoZrVQq+innR aDwu8qDB5UgmMQ7cjDSeAQABdghq7pqrA4P8lkA7qTG+aw8Z21OoAyZdUNm8NWJoQy8m4nUP gmeeQPRc0vjp5JkYPgTqwf08cluqO6vQuYL2YmwVBIbO7cE7LNGkPDA3RYMu+zPY9UUi/ln5 dcKuEStFZ5eqVyqVoZ9eu3RTCGIXAHe1NcfcMT9HT0DPp3+ieTxFx6RjY3kYTGLOwU0EVUNc NAEQAM2StBhJERQvgPcbCzjokShn0cRA4q2SvCOvOXD+0KapXMRFE+/PZeDyfv4dEKuCqeh0 hihSHlaxTzg3TcqUu54w2xYskG8Fq5tg3gm4kh1Gvh1LijIXX99ABA8eHxOGmLPRIBkXHqJY oHtCvPc6sYKNM9xbp6I4yF56xVLmHGJ61KaWKf5KKWYgA9kfHufbja7qR0c6H79LIsiYqf92 H1HNq1WlQpu/fh4/XAAaV1axHFt/dY/2kU05tLMj8GjeQDz1fHas7augL4argt4e+jum3Nwt yupodQBxncKAUbzwKcDrPqUFmfRbJ7ARw8491xQHZDsP82JRj4cOJX32sBg8nO2N5OsFJOcd 5IE9v6qfllkZDAh1Rb1h6DFYq9dcdPAHl4zOj9EHq99/CpyccOh7SrtWDNFFknCmLpowhct9 5ZnlavBrDbOV0W47gO33WkXMFI4il4y1+Bv89979rVYn8aBohEgET41SpyQz7fMkcaZU+ok/ +HYjC/qfDxT7tjKXqBQEscVODaFicsUkjheOD4BfWEcVUqa+XdUEciwG/SgNyxBZepj41oVq FPSVE+Ni2tNrW/e16b8mgXNngHSnbsr6pAIXZH3qFW+4TKPMGZ2rZ6zITrMip+12jgw4mGjy 5y06JZvA02rZT2k9aa7i9dUUFggaanI09jNGbRA/ABEBAAHCwXwEGAEKACYCGwwWIQSb0H4O DFH41ZZ3t1Qbk0N9O0FimwUCYDzvagUJFF+UtgAKCRAbk0N9O0Fim9JzD/0auoGtUu4mgnna oEEpQEOjgT7l9TVuO3Qa/SeH+E0m55y5Fjpp6ZToc481za3xAcxK/BtIX5Wn1mQ6+szfrJQ6 59y2io437BeuWIRjQniSxHz1kgtFECiV30yHRgOoQlzUea7FgsnuWdstgfWi6LxstswEzxLZ Sj1EqpXYZE4uLjh6dW292sO+j4LEqPYr53hyV4I2LPmptPE9Rb9yCTAbSUlzgjiyyjuXhcwM qf3lzsm02y7Ooq+ERVKiJzlvLd9tSe4jRx6Z6LMXhB21fa5DGs/tHAcUF35hSJrvMJzPT/+u /oVmYDFZkbLlqs2XpWaVCo2jv8+iHxZZ9FL7F6AHFzqEFdqGnJQqmEApiRqH6b4jRBOgJ+cY qc+rJggwMQcJL9F+oDm3wX47nr6jIsEB5ZftdybIzpMZ5V9v45lUwmdnMrSzZVgC4jRGXzsU EViBQt2CopXtHtYfPAO5nAkIvKSNp3jmGxZw4aTc5xoAZBLo0OV+Ezo71pg3AYvq0a3/oGRG KQ06ztUMRrj8eVtpImjsWCd0bDWRaaR4vqhCHvAG9iWXZu4qh3ipie2Y0oSJygcZT7H3UZxq fyYKiqEmRuqsvv6dcbblD8ZLkz1EVZL6djImH5zc5x8qpVxlA0A0i23v5QvN00m6G9NFF0Le D2GYIS41Kv4Isx2dEFh+/Q== In-Reply-To: <20250429180828.950219-4-krzysztof.kozlowski@linaro.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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