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From: Mark Brown <broonie@kernel.org>
To: Jim Quinlan <james.quinlan@broadcom.com>
Cc: linux-pci@vger.kernel.org,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	bcm-kernel-feedback-list@broadcom.com,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Rob Herring <robh@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	"moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
	<linux-rpi-kernel@lists.infradead.org>,
	"moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 2/6] PCI: brcmstb: Add control of EP voltage regulator(s)
Date: Thu, 26 Nov 2020 11:49:12 +0000	[thread overview]
Message-ID: <20201126114912.GA8506@sirena.org.uk> (raw)
In-Reply-To: <20201125192424.14440-3-james.quinlan@broadcom.com>

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On Wed, Nov 25, 2020 at 02:24:19PM -0500, Jim Quinlan wrote:

> +	for (i = 0; i < PCIE_REGULATORS_MAX; i++) {
> +		ep_reg = devm_regulator_get_optional(dev, ep_regulator_names[i]);
> +		if (IS_ERR(ep_reg)) {

Does PCI allow supplies to be physically absent?  If not then the driver
shouldn't be using regulator_get_optional() and much of the code here
can be deleted.

> +static void brcm_set_regulators(struct brcm_pcie *pcie, bool on)
> +{

This is open coding the regulator bulk APIs.

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  reply	other threads:[~2020-11-26 11:49 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-25 19:24 [PATCH v1 0/6] PCI: brcmstb: add EP regulators and panic handler Jim Quinlan
2020-11-25 19:24 ` [PATCH v1 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Jim Quinlan
2020-11-25 19:24 ` [PATCH v1 2/6] PCI: brcmstb: Add control of EP voltage regulator(s) Jim Quinlan
2020-11-26 11:49   ` Mark Brown [this message]
2020-11-27 20:26     ` Jim Quinlan
2020-11-30 12:06       ` Mark Brown
2020-11-25 19:24 ` [PATCH v1 3/6] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2020-11-25 19:24 ` [PATCH v1 4/6] PCI: brcmstb: Give 7216 SOCs their own config type Jim Quinlan
2020-11-25 19:24 ` [PATCH v1 5/6] PCI: brcmstb: Add panic/die handler to RC driver Jim Quinlan
2020-11-25 19:24 ` [PATCH v1 6/6] PCI: brcmstb: check return value of clk_prepare_enable() Jim Quinlan

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