linux-kernel - Re: [PATCH v3 3/6] PCI: brcmstb: Do not turn off regulators if EP can wake up

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Message-ID: <20210326201750.GA905944@bjorn-Precision-5520>
Date:   Fri, 26 Mar 2021 15:17:50 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Jim Quinlan <jim2101024@...il.com>
Cc:     linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Rob Herring <robh@...nel.org>, Mark Brown <broonie@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com, james.quinlan@...adcom.com,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 3/6] PCI: brcmstb: Do not turn off regulators if EP
 can wake up

On Fri, Mar 26, 2021 at 03:19:01PM -0400, Jim Quinlan wrote:
> If any downstream device may wake up during S2/S3 suspend, we do not want
> to turn off its power when suspending.
> 
> Signed-off-by: Jim Quinlan <jim2101024@...il.com>
> ---
>  drivers/pci/controller/pcie-brcmstb.c | 58 +++++++++++++++++++++++----
>  1 file changed, 51 insertions(+), 7 deletions(-)

> +enum {
> +	TURN_OFF,		/* Turn egulators off, unless an EP is wakeup-capable */
> +	TURN_OFF_ALWAYS,	/* Turn Regulators off, no exceptions */
> +	TURN_ON,		/* Turn regulators on, unless pcie->ep_wakeup_capable */

s/egulators/regulators/
s/Regulators/regulators/