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

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Message-ID: <CA+-6iNwHaqyvc7ZVgv9SjR+s+=8gRbL6TXo-F_R6BOoFSPtM1Q@mail.gmail.com>
Date:   Tue, 5 Jul 2022 18:06:00 -0400
From:   Jim Quinlan <james.quinlan@...adcom.com>
To:     Cyril Brulebois <kibi@...ian.org>
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Jim Quinlan <jim2101024@...il.com>,
        "open list:PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS" 
        <linux-pci@...r.kernel.org>,
        Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" 
        <bcm-kernel-feedback-list@...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 Tue, Jul 5, 2022 at 5:28 PM Cyril Brulebois <kibi@...ian.org> wrote:
>
> Florian Fainelli <f.fainelli@...il.com> (2022-07-05):
> > On 7/5/22 13:55, Cyril Brulebois wrote:
> > > That happens with current master (v5.19-rc5-56-ge35e5b6f695d2), with
> > > or without this patchset.
> > >
> > > That being said, I'm not able to reproduce the showstopper
> > > regression that I reported against the initial patchset (booting was
> > > breaking in the very first few seconds), so I suppose it's fine to
> > > propose the following even if that's somewhat tainted by those mmc
> > > issues.
> >
> > Any chance you can bisect the eMMC issues so we can investigate those
> > separately? Thanks!
Cyril,

Before you go to the trouble of a bisection, can you just post the
(or email me) the following:

o complete boot log
o output of "cat /proc/interrupts"
o output of "for i in $(find /sys/devices/platform/ -type f -name
state) ; do echo $i: $(cat $i) ; done"

Thanks,
Jim Quinlan
Broadcom STB

>
>
> Definitely. I wanted to make sure I wouldn't delay the reintroduction of
> this patchset (feeling partly responsible for the revert that happened
> in the first place), by providing some feedback regarding a possible
> come-back of the regression, as soon as possible.
>
> Now that this is out of the way, I'll try and find time to investigate
> those MMC issues. Ditto for DRM, I seem to have completely lost the HDMI
> output (that's less of an issue thanks to the serial console that has
> been rather reliable to gather kernel logs).
>
> I think I started encountering both issues very early in the devel
> cycle (when we were still trying to find some follow-up commits to fix
> the regression instead of going for the full-on revert), but I couldn't
> afford spending time chasing multiple issues at once. I haven't checked
> whether reports exist already for those issues, but that's my next step.
>
>
> Cheers,
> --
> Cyril Brulebois (kibi@...ian.org)            <https://debamax.com/>
> D-I release manager -- Release team member -- Freelance Consultant

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