linux-kernel - Re: [PATCH v1 0/4] PCI: brcmstb: Re-submit reverted patchset

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Message-ID: <20220715182715.GA1145359@bhelgaas>
Date:   Fri, 15 Jul 2022 13:27:15 -0500
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Jim Quinlan <jim2101024@...il.com>
Cc:     linux-pci@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Cyril Brulebois <kibi@...ian.org>,
        bcm-kernel-feedback-list@...adcom.com, james.quinlan@...adcom.com,
        Krzysztof Wilczyński <kw@...ux.com>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" 
        <linux-rpi-kernel@...ts.infradead.org>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v1 0/4] PCI: brcmstb: Re-submit reverted patchset

On Fri, Jul 01, 2022 at 12:27:21PM -0400, Jim Quinlan wrote:
> A submission [1] was made to enable a PCIe root port to turn on regulators
> for downstream devices.  It was accepted.  Months later, a regression was
> discovered on an RPi CM4 [2].  The patchset was reverted [3] as the fix
> came too late in the release cycle.  The regression in question is
> triggered only when the PCIe RC DT node has no root port subnode, which is
> a perfectly reasonsable configuration.
> ...

> Jim Quinlan (4):
>   PCI: brcmstb: Split brcm_pcie_setup() into two funcs
>   PCI: brcmstb: Add mechanism to turn on subdev regulators
>   PCI: brcmstb: oAdd control of subdevice voltage regulators
>   PCI: brcmstb: Do not turn off WOL regulators on suspend
> 
>  drivers/pci/controller/pcie-brcmstb.c | 257 +++++++++++++++++++++++---
>  1 file changed, 227 insertions(+), 30 deletions(-)

I'm assuming there's a v2 coming soonish?  We should see -rc7 this
weekend and likely a final v5.19 release on July 24, so v5.20 material
should be tidied up by then.

Bjorn