linux-kernel - Re: [PATCH v9 2/3] regulator: Add devres version of of_regulator_get

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Message-ID: <70779c00-7f2a-4038-9241-b8bb2004948f@collabora.com>
Date: Mon, 30 Sep 2024 10:57:00 +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 2/3] regulator: Add devres version of
 of_regulator_get_optional()

Il 30/09/24 06:45, Chen-Yu Tsai ha scritto:
> There are existing uses for a devres version of of_regulator_get_optional()
> in power domain drivers. On MediaTek platforms, power domains may have
> regulator supplies tied to them. The driver currently tries to use
> devm_regulator_get() to not have to manage the lifecycle, but ends up
> doing it in a very hacky way by replacing the device node of the power
> domain controller device to the device node of the power domain that is
> currently being registered, getting the supply, and reverting the device
> node.
> 
> Provide a better API so that the hack can be replaced.
> 
> Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>

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