From cfcdf395c21eeac4543d2b8fef9d29ae9e4559e9 Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Tue, 8 Oct 2024 18:07:02 +0200 Subject: [PATCH] regulator: core: add callback to perform runtime init Provide an initialisation callback to handle runtime parameters. The idea is similar to the regulator_init() callback, but it provides regulator specific structures, instead of just the driver specific data. As an example, this allows the driver to amend the regulator constraints based on runtime parameters if necessary. Signed-off-by: Jerome Brunet Link: https://patch.msgid.link/20241008-regulator-ignored-data-v2-2-d1251e0ee507@baylibre.com Signed-off-by: Mark Brown --- drivers/regulator/core.c | 6 ++++++ include/linux/regulator/driver.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 24bb7f5b12e3e..eecb05a0d08c8 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -5758,6 +5758,12 @@ regulator_register(struct device *dev, goto wash; } + if (regulator_desc->init_cb) { + ret = regulator_desc->init_cb(rdev, config); + if (ret < 0) + goto wash; + } + if ((rdev->supply_name && !rdev->supply) && (rdev->constraints->always_on || rdev->constraints->boot_on)) { diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index f230a472ccd35..d2f4427504f08 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -365,6 +365,8 @@ struct regulator_desc { int (*of_parse_cb)(struct device_node *, const struct regulator_desc *, struct regulator_config *); + int (*init_cb)(struct regulator_dev *, + struct regulator_config *); int id; unsigned int continuous_voltage_range:1; unsigned n_voltages;