linux-kernel - Re: [PATCH 08/32] usb: typec: tcpm: tcpm: Remove dangling unused 'struct tcpm_altmode

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Date:   Mon, 31 Aug 2020 19:32:06 -0700
From:   Badhri Jagan Sridharan <badhri@...gle.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org,
        LKML <linux-kernel@...r.kernel.org>,
        USB <linux-usb@...r.kernel.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH 08/32] usb: typec: tcpm: tcpm: Remove dangling unused
 'struct tcpm_altmode_ops'

Hi Hans,

Kernel test robot is still reporting this issue. I have my repo synced
to ToT usb-next:
Output of git repo:
5fedf0d295d3 (origin/usb-testing, origin/usb-next) Merge 5.9-rc3 into usb-next
f75aef392f86 (tag: v5.9-rc3, origin/usb-linus, origin/main) Linux 5.9-rc3
e43327c706f2 Merge branch 'linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
dcc5c6f013d8 Merge tag 'x86-urgent-2020-08-30' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
d2283cdc18d3 Merge tag 'irq-urgent-2020-08-30' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
0063a82de937 Merge tag 'sched-urgent-2020-08-30' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Were you able to get your patch merged ?

Thanks,
Badhri


On Tue, Jul 14, 2020 at 6:55 AM Lee Jones <lee.jones@...aro.org> wrote:
>
> On Tue, 14 Jul 2020, Hans de Goede wrote:
>
> > Hi,
> >
> > On 7/6/20 4:20 PM, Lee Jones wrote:
> > > On Mon, 06 Jul 2020, Hans de Goede wrote:
> > >
> > > > Hi,
> > > >
> > > > On 7/6/20 3:33 PM, Lee Jones wrote:
> > > > > Looks as though a079973f462a3 ("usb: typec: tcpm: Remove tcpc_config
> > > > > configuration mechanism") pulled out the only use of 'tcpm_altmode_ops'
> > > > > last year.  No need to keep it around.
> > > > >
> > > > > Fixes the following W=1 kernel build warning(s):
> > > > >
> > > > >    drivers/usb/typec/tcpm/tcpm.c:1551:39: warning: ‘tcpm_altmode_ops’ defined but not used [-Wunused-const-variable=]
> > > > >    1551 | static const struct typec_altmode_ops tcpm_altmode_ops = {
> > > > >    | ^~~~~~~~~~~~~~~~
> > > > >
> > > > > Cc: Guenter Roeck <linux@...ck-us.net>
> > > > > Cc: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> > > > > Cc: Hans de Goede <hdegoede@...hat.com>
> > > > > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > > >
> > > > This is necessary for adding Display port over Type-C support
> > > > on devices using the tcpm code, rather then firmware, to do
> > > > the Type-C alt-mode negotiation.
> > > >
> > > > I have a local patch in my tree which adds support for this.
> > > >
> > > > But Heikki did not like my approach, so that patch
> > > > (which needs the bits you are removing) never landed
> > > > upstream:
> > > >
> > > > https://patchwork.kernel.org/patch/11199517/
> > > >
> > > > Which is somewhat old now.
> > >
> > > Yes, that's a just a little old now.
> > >
> > > If it drags on for much longer, perhaps consider taking it out for the
> > > time being and adding it back when you start to make use of it again?
> >
> > Ok, I've just submitted a reworked patch-series upstream which
> > actually uses this code. So please drop this patch from your
> > patch-set.
>
> No problem.
>
> Thanks Hans.
>
> --
> Lee Jones [李琼斯]
> Senior Technical Lead - Developer Services
> Linaro.org │ Open source software for Arm SoCs
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