linux-kernel - Re: [PATCH 01/10] mfd: wm8350-core: Supply description wm8350_reg

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Message-ID: <20200625094513.GC3299764@kroah.com>
Date:   Thu, 25 Jun 2020 11:45:13 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org, patches@...nsource.cirrus.com
Subject: Re: [PATCH 01/10] mfd: wm8350-core: Supply description
 wm8350_reg_{un}lock args

On Thu, Jun 25, 2020 at 08:13:13AM +0100, Lee Jones wrote:
> On Thu, 25 Jun 2020, Greg KH wrote:
> 
> > On Thu, Jun 25, 2020 at 07:46:10AM +0100, Lee Jones wrote:
> > > Kerneldoc syntax is used, but not complete.  Descriptions required.
> > > 
> > > Prevents warnings like:
> > > 
> > >  drivers/mfd/wm8350-core.c:136: warning: Function parameter or member 'wm8350' not described in 'wm8350_reg_lock'
> > >  drivers/mfd/wm8350-core.c:165: warning: Function parameter or member 'wm8350' not described in 'wm8350_reg_unlock'
> > > 
> > > Cc: <stable@...r.kernel.org>
> > > Cc: patches@...nsource.cirrus.com
> > > Signed-off-by: Lee Jones <lee.jones@...aro.org>
> > > ---
> > >  drivers/mfd/wm8350-core.c | 4 ++++
> > >  1 file changed, 4 insertions(+)
> > > 
> > > diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
> > > index 42b16503e6cd1..fbc77b218215c 100644
> > > --- a/drivers/mfd/wm8350-core.c
> > > +++ b/drivers/mfd/wm8350-core.c
> > > @@ -131,6 +131,8 @@ EXPORT_SYMBOL_GPL(wm8350_block_write);
> > >   * The WM8350 has a hardware lock which can be used to prevent writes to
> > >   * some registers (generally those which can cause particularly serious
> > >   * problems if misused).  This function enables that lock.
> > > + *
> > > + * @wm8350: pointer to local driver data structure
> > >   */
> > >  int wm8350_reg_lock(struct wm8350 *wm8350)
> > >  {
> > > @@ -160,6 +162,8 @@ EXPORT_SYMBOL_GPL(wm8350_reg_lock);
> > >   * problems if misused).  This function disables that lock so updates
> > >   * can be performed.  For maximum safety this should be done only when
> > >   * required.
> > > + *
> > > + * @wm8350: pointer to local driver data structure
> > >   */
> > >  int wm8350_reg_unlock(struct wm8350 *wm8350)
> > >  {
> > 
> > Why are all of these documentation fixes for stable?
> 
> Because they fix compiler warnings.

When you type 'make' these warnings show up?  We don't do documentation
builds as part of a normal build...

If for some reason we ever get rid of all of the thousands of current
warnings, then yes, I will be glad to consider stuff like this then.

thanks,

greg k-h