[PATCH v9 1/3] regulator: Add of_regulator_get_optional() for pure DT regulator lookup

[AngeloGioacchino Del Regno]

Il 30/09/24 06:45, Chen-Yu Tsai ha scritto:
> The to-be-introduced I2C component prober needs to enable regulator
> supplies (and toggle GPIO pins) for the various components it intends
> to probe. To support this, a new "pure DT lookup" method for getting
> regulator supplies is needed, since the device normally requesting
> the supply won't get created until after the component is probed to
> be available.
> 
> Add a new of_regulator_get_optional() function for this. This mirrors
> the existing regulator_get_optional() function, but is OF-specific.
> The underlying code that supports the existing regulator_get*()
> functions has been reworked in previous patches to support this
> specific case.
> 
> Also convert an existing usage of "dev && dev->of_node" to
> "dev_of_node(dev)".
> 
> Link: https://lore.kernel.org/all/20231220203537.83479-2-jernej.skrabec@gmail.com/ [1]
> Signed-off-by: Chen-Yu Tsai <wenst at chromium.org>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>