linux-kernel - Re: [PATCH v9 1/3] regulator: Add of_regulator_get

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Message-ID: <b261e9b1-826a-456a-bf69-b15bf50c3fa8@collabora.com>
Date: Mon, 30 Sep 2024 10:57:01 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Chen-Yu Tsai <wenst@...omium.org>, Ulf Hansson <ulf.hansson@...aro.org>,
 Matthias Brugger <matthias.bgg@...il.com>, Mark Brown <broonie@...nel.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-pm@...r.kernel.org, Douglas Anderson <dianders@...omium.org>,
 Johan Hovold <johan@...nel.org>,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Pablo Sun <pablo.sun@...iatek.com>, Macpaul Lin <macpaul.lin@...iatek.com>,
 Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: Re: [PATCH v9 1/3] regulator: Add of_regulator_get_optional() for
 pure DT regulator lookup

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@...omium.org>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>