linux-kernel - Re: [PATCH] clocksource/drivers/timer-ti-dm: Remove omap_dm_timer_set_load

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Message-ID: <20190411193614.GA8469@archlinux-i9>
Date:   Thu, 11 Apr 2019 12:36:14 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Tony Lindgren <tony@...mide.com>,
        Ladislav Michl <ladis@...ux-mips.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, YueHaibing <yuehaibing@...wei.com>,
        Keerthy <j-keerthy@...com>
Subject: Re: [PATCH] clocksource/drivers/timer-ti-dm: Remove
 omap_dm_timer_set_load_start

On Thu, Apr 11, 2019 at 09:20:56PM +0200, Daniel Lezcano wrote:
> On 10/04/2019 22:07, Tony Lindgren wrote:
> > Hi,
> > 
> > * Daniel Lezcano <daniel.lezcano@...aro.org> [190410 17:02]:
> >> can you ask for an acked-by before pulling a patch in your tree?
> > 
> > I certainly do ask and wait for acks where possible :)
> 
> Ok, I may have missed them.
> 
> > Note that I have not applied this patch. I just added
> > Keerthy to Cc on this thread so maybe you misread the
> > message earlier. My comment "seems like no other
> > takers" was for Ladislav regarding somebody picking up
> > his earlier work, not for picking up this patch :)
> 
> Actually I was referring to the commit 592ea6bd1fad. Anyway as stated
> above I could have miss your call.
> 
> > In any case, I've been waiting for you guys to pick up
> > the patch, here's my ack if you're waiting for it:
> > 
> > Acked-by: Tony Lindgren <tony@...mide.com>
> 
> The patch does not apply. Is it aligned with tip/timers/core ?
> 

The commit this fixes is in timers/urgent and it doesn't look like that
has been backmerged into timers/core.

Nathan

> >> On 04/04/2019 16:17, Tony Lindgren wrote:
> >>> * Ladislav Michl <ladis@...ux-mips.org> [190327 08:12]:
> >>>> Hello Nathan,
> >>>>
> >>>> On Tue, Mar 26, 2019 at 10:01:27PM -0700, Nathan Chancellor wrote:
> >>>>> Commit 008258d995a6 ("clocksource/drivers/timer-ti-dm: Make
> >>>>> omap_dm_timer_set_load_start() static") made omap_dm_time_set_load_start
> >>>>> static because its prototype was not defined in a header. Unfortunately,
> >>>>> this causes a build warning on multi_v7_defconfig because this function
> >>>>> is not used anywhere in this translation unit:
> >>>>>
> >>>>> drivers/clocksource/timer-ti-dm.c:589:12: error: unused function
> >>>>> 'omap_dm_timer_set_load_start' [-Werror,-Wunused-function]
> >>>>>
> >>>>> In fact, omap_dm_timer_set_load_start hasn't been used anywhere since
> >>>>> commit f190be7f39a5 ("staging: tidspbridge: remove driver") and the
> >>>>> prototype was removed in commit 592ea6bd1fad ("clocksource: timer-ti-dm:
> >>>>> Make unexported functions static"), which is probably where this should
> >>>>> have happened.
> >>>>
> >>>> Alternatively you might want to look at "clocksource: timer-ti-dm: Add event
> >>>> capture": https://patchwork.kernel.org/patch/10237217/ (it makes use of
> >>>> function being removed here). It is a part of an attempt to add event capture
> >>>> for OMAP. Of course I would like this functionality to be implemented, but
> >>>> as I do not have a time to continue, I cannot really object removing this
> >>>> function.
> >>>>
> >>>> Just in case you'd be interested in finishing this task ;-)
> >>>
> >>> Well seems like no other takers :) We can always find the missing
> >>> function in git history when needed, so I suggest we apply this.
> >>>
> >>> Adding Keerthy to Cc as he just posted a similar patch.
> >>>
> >>> Regards,
> >>>
> >>> Tony
> >>>
> >>
> >>
> >> -- 
> >>  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
> >>
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> >>
> 
> 
> -- 
>  <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs
> 
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