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Fri, 02 Oct 2026 09:34:13 -0700 (PDT) From: Thierry Chatard To: linux-kernel@vger.kernel.org Cc: platform-driver-x86@vger.kernel.org, linux-media@vger.kernel.org, lee@kernel.org, hansg@kernel.org, ilpo.jarvinen@linux.intel.com, djrscally@gmail.com, mchehab@kernel.org, sakari.ailus@linux.intel.com, jacopo.mondi@ideasonboard.com, nicholas@rothemail.net, andriy.shevchenko@intel.com, v.vitovt@gmail.com, dmanresa@gmail.com, Thierry Chatard Subject: [PATCH v12 5/9] platform/x86: int3472: tps68470: add static clock consumer support Date: Fri, 2 Oct 2026 09:33:46 -0700 Message-ID: <20261002163350.1248431-6-tchatard@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261002163350.1248431-1-tchatard@gmail.com> References: <20261002163350.1248431-1-tchatard@gmail.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On some platforms a sensor's ACPI _DEP does not list the INT3472 device, so for_each_acpi_consumer_dev() misses that sensor and never registers its tps68470-clk consumer entry, leaving the sensor without its MCLK. Add optional n_clk_consumers/clk_consumers fields to the board data. When set, probe builds the tps68470-clk platform data from that static list instead of walking the ACPI consumers. Boards that leave the fields unset keep using the existing ACPI traversal. Assisted-by: LLM Signed-off-by: Thierry Chatard --- drivers/platform/x86/intel/int3472/tps68470.c | 19 ++++++++++++++++--- drivers/platform/x86/intel/int3472/tps68470.h | 8 ++++++++ 2 files changed, 24 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/intel/int3472/tps68470.c b/drivers/platform/x86/intel/int3472/tps68470.c index 9161a656f..a11afb323 100644 --- a/drivers/platform/x86/intel/int3472/tps68470.c +++ b/drivers/platform/x86/intel/int3472/tps68470.c @@ -187,9 +187,22 @@ static int skl_int3472_tps68470_probe(struct i2c_client *client) return dev_err_probe(&client->dev, -ENODATA, "No board-data found for this model\n"); - n_consumers = skl_int3472_fill_clk_pdata(&client->dev, &clk_pdata); - if (n_consumers < 0) - return n_consumers; + if (board_data->n_clk_consumers) { + clk_pdata = devm_kzalloc(&client->dev, + struct_size(clk_pdata, consumers, + board_data->n_clk_consumers), + GFP_KERNEL); + if (!clk_pdata) + return -ENOMEM; + clk_pdata->n_consumers = board_data->n_clk_consumers; + for (i = 0; i < board_data->n_clk_consumers; i++) + clk_pdata->consumers[i] = board_data->clk_consumers[i]; + n_consumers = board_data->n_clk_consumers; + } else { + n_consumers = skl_int3472_fill_clk_pdata(&client->dev, &clk_pdata); + if (n_consumers < 0) + return n_consumers; + } cells = kzalloc_objs(*cells, TPS68470_WIN_MFD_CELL_COUNT); if (!cells) diff --git a/drivers/platform/x86/intel/int3472/tps68470.h b/drivers/platform/x86/intel/int3472/tps68470.h index 3bbaade96..68303e6fa 100644 --- a/drivers/platform/x86/intel/int3472/tps68470.h +++ b/drivers/platform/x86/intel/int3472/tps68470.h @@ -12,12 +12,20 @@ #define _INTEL_SKL_INT3472_TPS68470_H struct gpiod_lookup_table; + +struct tps68470_clk_consumer; struct tps68470_regulator_platform_data; struct int3472_tps68470_board_data { const char *dev_name; const struct tps68470_regulator_platform_data *tps68470_regulator_pdata; const struct software_node *tps68470_gpio_swnode; + /* + * Optional static clock consumers, used in place of the ACPI _DEP + * traversal on platforms where a sensor's _DEP omits the INT3472. + */ + unsigned int n_clk_consumers; + const struct tps68470_clk_consumer *clk_consumers; unsigned int n_gpiod_lookups; struct gpiod_lookup_table *tps68470_gpio_lookup_tables[]; }; -- 2.53.0