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15 Apr 2024 07:19:22 -0700 Message-ID: <89f8f0be-2534-46c8-9058-cabea4f68568@linux.intel.com> Date: Mon, 15 Apr 2024 09:19:21 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Pierre-Louis Bossart Subject: Re: [PATCH 00/14] ASoC: Constify local snd_sof_dsp_ops To: Krzysztof Kozlowski , Liam Girdwood , Peter Ujfalusi , Bard Liao , Ranjani Sridharan , Daniel Baluta , Kai Vehmanen , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Matthias Brugger , AngeloGioacchino Del Regno Cc: sound-open-firmware@alsa-project.org, linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20240414-n-const-ops-var-v1-0-8f53ee5d981c@kernel.org> Content-Language: en-US In-Reply-To: <20240414-n-const-ops-var-v1-0-8f53ee5d981c@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit > The core code does not modify the 'struct snd_sof_dsp_ops' passed via > pointer in various places, so this can be made pointer to const. The structure itself is NOT always const - the initialization itself does have platform-specific changes, so what do we really gain from all this? some commit messages say the code is "a bit safer", but I personally find the 'const' more confusing since the information that the structure can be modified during initialization is lost.