linux-kernel - Re: [PATCH v3 5/6] phy: exynos5-usbdrd: convert Vbus supplies to regulator

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Date: Fri, 21 Jun 2024 17:06:42 -0700
From: William McVicker <willmcvicker@...gle.com>
To: André Draszik <andre.draszik@...aro.org>
Cc: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Peter Griffin <peter.griffin@...aro.org>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Sam Protsenko <semen.protsenko@...aro.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Roy Luo <royluo@...gle.com>, kernel-team@...roid.com,
	linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v3 5/6] phy: exynos5-usbdrd: convert Vbus supplies to
 regulator_bulk

On 06/17/2024, André Draszik wrote:
> Using the regulator_bulk APIs, the handling of power supplies becomes
> much simpler. There is no need anymore to check if regulators have been
> acquired or not, the bulk APIs will do all the work for us. We can also
> drop the various handles to the individual power supplies in the driver
> runtime data and instead simply treat them all as one thing. Error
> cleanup also becomes much simpler.
> 
> Converting to the regulator_bulk APIs also makes it easier to add
> support for those SoCs that have additional power supplies for the PHY.
> Google Tensor gs101 is one example of such a SoC. Otherwise we'd have
> to add all additional supplies individually via individual calls to
> regulator_get() and enable/disable handle them all individually,
> including complicated error handling. That doesn't scale and clutters
> the code.
> 
> Just update the code to use the regulator_bulk APIs.
> 
> Signed-off-by: André Draszik <andre.draszik@...aro.org>

Tested-by: Will McVicker <willmcvicker@...gle.com>

[...]

Thanks,
Will