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From:   Saravana Kannan <saravanak@google.com>
Date:   Thu, 9 Mar 2023 16:17:06 -0800
Message-ID: <CAGETcx8qKCNuD5p=e-f-T93VstptPWHq2gVzmghkQucNyhwocA@mail.gmail.com>
Subject: Re: [PATCH v1 0/4] Remove use of fw_devlink_purge_absent_suppliers()
To:     Yongqin Liu <yongqin.liu@linaro.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Guenter Roeck <linux@roeck-us.net>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Daniel Scally <djrscally@gmail.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Len Brown <lenb@kernel.org>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Martin Kepplinger <martin.kepplinger@puri.sm>,
        Amelie Delaunay <amelie.delaunay@foss.st.com>,
        kernel-team@android.com, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org, linux-acpi@vger.kernel.org
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On Thu, Mar 9, 2023 at 10:53=E2=80=AFAM Yongqin Liu <yongqin.liu@linaro.org=
> wrote:
>
> Hi, Saravana
>
> Sorry for the lateness, I was just aware of this today.

No worries.

> I tested with the ACK android-mainline branch + the 12 commits ending
> with fb42378dcc7f
> + the 4 commits of this series + hikey960 AOSP Master userspace.
> The hikey960 Android build could boot to the home screen, no stuck there,

Thanks for testing! Can you confirm what happens if you drop the "12
commits ending with fb42378dcc7f" ? Does it get stuck at boot or have
some limited functionality?

It's surprising that for the same type of DT node, in your case
fw_devlink is able to handle it
correctly, but no so for Martin's case.

-Saravana

>
> Here is the link of the logat in case you want to check some message here=
:
> https://gist.github.com/liuyq/6525af08c547cd2e494af5d1c8b181b5
>
> Thanks,
> Yongqin Liu
> On Fri, 10 Mar 2023 at 02:05, Saravana Kannan <saravanak@google.com> wrot=
e:
> >
> > Greg,
> >
> > Don't pull in this series please. It needs more testing from the folks
> > I cc'ed and it's already breaking things for Martin. This needs more
> > revisions.
> >
> > -Saravana
> >
> > On Wed, Mar 1, 2023 at 1:49=E2=80=AFPM Saravana Kannan <saravanak@googl=
e.com> wrote:
> > >
> > > Yongqin, Martin, Amelie,
> > >
> > > We recent refactor of fw_devlink that ends with commit fb42378dcc7f
> > > ("mtd: mtdpart: Don't create platform device that'll never probe"),
> > > fw_devlink is smarter and doesn't depend on compatible property. So, =
I
> > > don't think these calls are needed anymore. But I don't have these
> > > devices to test on and be sure and the hardware I use to test changes
> > > doesn't have this issue either.
> > >
> > > Can you please test these changes on the hardware where you hit the
> > > issue to make sure things work as expected?
> > >
> > > Yongqin, If you didn't have the context, this affected hikey960.
> > >
> > > Greg,
> > >
> > > Let's wait for some tests before we land these.
> > >
> > > Thanks,
> > > Saravana
> > >
> > > Cc: Yongqin Liu <yongqin.liu@linaro.org>
> > > Cc: Sumit Semwal <sumit.semwal@linaro.org>
> > > Cc: Martin Kepplinger <martin.kepplinger@puri.sm>
> > > Cc: Amelie Delaunay <amelie.delaunay@foss.st.com>
> > >
> > > Saravana Kannan (4):
> > >   usb: typec: stusb160x: Remove use of
> > >     fw_devlink_purge_absent_suppliers()
> > >   usb: typec: tipd: Remove use of fw_devlink_purge_absent_suppliers()
> > >   usb: typec: tcpm: Remove use of fw_devlink_purge_absent_suppliers()
> > >   driver core: Delete fw_devlink_purge_absent_suppliers()
> > >
> > >  drivers/base/core.c           | 16 ----------------
> > >  drivers/usb/typec/stusb160x.c |  9 ---------
> > >  drivers/usb/typec/tcpm/tcpm.c |  9 ---------
> > >  drivers/usb/typec/tipd/core.c |  9 ---------
> > >  include/linux/fwnode.h        |  1 -
> > >  5 files changed, 44 deletions(-)
> > >
> > > --
> > > 2.39.2.722.g9855ee24e9-goog
> > >
>
>
>
> --
> Best Regards,
> Yongqin Liu
> ---------------------------------------------------------------
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