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From: Jim Quinlan <jim2101024@gmail.com>
To: Mark Brown <broonie@kernel.org>
Cc: linux-pci <linux-pci@vger.kernel.org>,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	Rob Herring <robh@kernel.org>,
	bcm-kernel-feedback-list <bcm-kernel-feedback-list@broadcom.com>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Florian Fainelli <f.fainelli@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 v3 2/6] PCI: brcmstb: Add control of EP voltage regulators
Date: Mon, 29 Mar 2021 12:39:50 -0400	[thread overview]
Message-ID: <CANCKTBsBNhwG8VQQAQfAfw9jaWLkT+yYJ0oG-HBhA9xiO+jLvA@mail.gmail.com> (raw)
In-Reply-To: <20210329162539.GG5166@sirena.org.uk>

On Mon, Mar 29, 2021 at 12:25 PM Mark Brown <broonie@kernel.org>
w./lib/python3.6/site-packages/dtschema/schemasrote:
>
> On Fri, Mar 26, 2021 at 03:19:00PM -0400, Jim Quinlan wrote:
>
> > +             /* Now look for regulator supply properties */
> > +             for_each_property_of_node(child, pp) {
> > +                     int i, n = strnlen(pp->name, max_name_len);
> > +
> > +                     if (n <= 7 || strncmp("-supply", &pp->name[n - 7], 7))
> > +                             continue;
>
> Here you are figuring out a device local supply name...
>
> > +     /*
> > +      * Get the regulators that the EP devianswerces require.  We cannot use
> > +      * pcie->dev as the device argument in regulator_bulk_get() since
> > +      * it will not find the regulators.  Instead, use NULL and the
> > +      * regulators are looked up by their name.
> > +      */
> > +     return regulator_bulk_get(NULL, pcie->num_supplies, pcie->supplies);
>
> ...and here you are trying to look up that device local name in the
> global namespace.  That's not going to work well, the global names that
> supplies are labelled with may be completely different to what the chip
> designer called them and there could easily be naming collisions between
> different chips.

Hello Mark,
I am re-submitting this pullreq using
"devm_regulator_bulk_get(pcie->dev, ...)"; is your concern about the
NULL for the device and if so does this fix it?  If not, what do you
suggest that I do?
Thanks,
Jim

  reply	other threads:[~2021-03-29 16:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26 19:18 [PATCH v3 0/6] PCI: brcmstb: add EP regulators and panic handler Jim Quinlan
2021-03-26 19:18 ` [PATCH v3 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Jim Quinlan
2021-03-27 15:58   ` Rob Herring
2021-03-30 15:08   ` Rob Herring
2021-03-30 15:30     ` Mark Brown
2021-03-30 16:23       ` Jim Quinlan
2021-03-31 11:46         ` Mark Brown
2021-03-26 19:19 ` [PATCH v3 2/6] PCI: brcmstb: Add control of " Jim Quinlan
2021-03-26 20:11   ` Bjorn Helgaas
2021-03-27 22:20     ` Jim Quinlan
2021-03-29 16:19   ` Mark Brown
2021-03-29 16:25   ` Mark Brown
2021-03-29 16:39     ` Jim Quinlan [this message]
2021-03-29 17:16       ` Mark Brown
2021-03-29 19:48         ` Jim Quinlan
2021-03-29 20:45           ` Mark Brown
2021-03-29 21:09             ` Florian Fainelli
2021-03-29 21:31               ` Mark Brown
2021-03-26 19:19 ` [PATCH v3 3/6] PCI: brcmstb: Do not turn off regulators if EP can wake up Jim Quinlan
2021-03-26 20:17   ` Bjorn Helgaas
2021-03-26 19:19 ` [PATCH v3 4/6] PCI: brcmstb: Give 7216 SOCs their own config type Jim Quinlan
2021-03-26 19:19 ` [PATCH v3 5/6] PCI: brcmstb: Add panic/die handler to RC driver Jim Quinlan
2021-03-26 19:19 ` [PATCH v3 6/6] PCI: brcmstb: Check return value of clk_prepare_enable() Jim Quinlan
2021-03-26 20:31   ` Bjorn Helgaas

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