Re: (subset) linux-next: build failure after merge of the pwm tree

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Hi all,

On Thu, 21 Dec 2023 19:34:57 +0100 Thierry Reding <thierry.reding@xxxxxxxxx> wrote:
>
> On Thu, Dec 21, 2023 at 12:58:01PM +0000, Lee Jones wrote:
> > On Thu, 21 Dec 2023, Lee Jones wrote:
> >   
> > > On Thu, 21 Dec 2023 16:58:05 +1100, Stephen Rothwell wrote:  
> > > > After merging the backlight tree, today's linux-next build (x86_64
> > > > allmodconfig) failed like this:
> > > > 
> > > > drivers/video/backlight/mp3309c.c: In function 'mp3309c_bl_update_status':
> > > > drivers/video/backlight/mp3309c.c:134:23: error: implicit declaration of function 'pwm_apply_state'; did you mean 'pwm_apply_args'? [-Werror=implicit-function-declaration]
> > > >   134 |                 ret = pwm_apply_state(chip->pwmd, &pwmstate);
> > > >       |                       ^~~~~~~~~~~~~~~
> > > >       |                       pwm_apply_args
> > > > 
> > > > [...]  
> > > 
> > > Applied, thanks!
> > > 
> > > [1/1] linux-next: build failure after merge of the pwm tree
> > >       commit: f7baa9ccef93ba1c36a8ecf58c2f4e86fb3181b9  
> > 
> > Actually it's:
> > 
> >   f7baa9ccef93b ("backlight: mp3309c: Rename  pwm_apply_state() to pwm_apply_might_sleep()")
> > 
> > But don't bank on the commit ID staying the same.  
> 
> This is likely going to break the build on your branch because
> pwm_apply_might_sleep() is only available in the PWM tree right now. In

And break it did (since I merge the backlight tree before the pwm
tree), so I used the backlight tree from 20231221.

-- 
Cheers,
Stephen Rothwell

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