linux-kernel - Re: [PATCH] backlight: remove obsolete comment for ->state

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Date:   Wed, 4 Jul 2018 10:38:16 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Daniel Vetter <daniel.vetter@...ll.ch>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Jani Nikula <jani.nikula@...el.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>
Subject: Re: [PATCH] backlight: remove obsolete comment for ->state

On Wed, 04 Jul 2018, Lee Jones wrote:

> > Jani spotted this when reviewing my earlier patch to remove the driver
> > internal usage of this field in
> > 
> > commit 3cf91adaa594e8933af1727942ac560e5c7bc70e
> > Author: Daniel Vetter <daniel.vetter@...ll.ch>
> > Date:   Wed Apr 25 19:42:52 2018 +0200
> > 
> >     backlight: Nuke BL_CORE_DRIVER1
> 
> FYI, sending patches like this is not a good idea.
> 
> I'll clean it up for you this time, but in future please send patches
> properly and place any additional comments you may have below the
> '---' line.

Ah, I see what you've tried to do.  This hurt my eyes! :)

It's more conventional to reference commits like:

  Commit 3cf91adaa594 ("backlight: Nuke BL_CORE_DRIVER1")

Again, I'll make the amendment to avoid further confusion.

> > Cc: Jani Nikula <jani.nikula@...el.com>
> > Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
> > Cc: Lee Jones <lee.jones@...aro.org>
> > Cc: Daniel Thompson <daniel.thompson@...aro.org>
> > Cc: Jingoo Han <jingoohan1@...il.com>
> > ---
> >  include/linux/backlight.h | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/include/linux/backlight.h b/include/linux/backlight.h
> > index 7fbf0539e14a..0b5897446dca 100644
> > --- a/include/linux/backlight.h
> > +++ b/include/linux/backlight.h
> > @@ -79,7 +79,6 @@ struct backlight_properties {
> >  	/* Backlight type */
> >  	enum backlight_type type;
> >  	/* Flags used to signal drivers of state changes */
> > -	/* Upper 4 bits are reserved for driver internal use */
> >  	unsigned int state;
> >  
> >  #define BL_CORE_SUSPENDED	(1 << 0)	/* backlight is suspended */
> 

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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