linux-kernel - Re: [PATCH] staging: media: atomisp: pci: Format multi-line comments according to coding-style in file atomisp

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Message-ID: <20210414200630.GE3@paasikivi.fi.intel.com>
Date:   Wed, 14 Apr 2021 23:06:30 +0300
From:   Sakari Ailus <sakari.ailus@...ux.intel.com>
To:     ascordeiro <alinesantanacordeiro@...il.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-kernel@...r.kernel.org, outreachy-kernel@...glegroups.com
Subject: Re: [PATCH] staging: media: atomisp: pci: Format multi-line comments
 according to coding-style in file atomisp_cmd.c

On Wed, Apr 14, 2021 at 03:55:42PM -0300, ascordeiro wrote:
> Em qua, 2021-04-14 às 21:33 +0300, Sakari Ailus escreveu:
> > Hi Aline,
> > 
> > Thanks for the patch.
> > 
> > On Wed, Apr 14, 2021 at 03:27:55PM -0300, Aline Santana Cordeiro
> > wrote:
> > > Format multi-line comments according to the coding-style.
> > > Issue detected by checkpatch.pl.
> > > 
> > > Signed-off-by: Aline Santana Cordeiro <
> > > alinesantanacordeiro@...il.com>
> > > ---
> > >  drivers/staging/media/atomisp/pci/atomisp_cmd.c | 109
> > > ++++++++++++++----------
> > >  1 file changed, 65 insertions(+), 44 deletions(-)
> > > 
> > > diff --git a/drivers/staging/media/atomisp/pci/atomisp_cmd.c
> > > b/drivers/staging/media/atomisp/pci/atomisp_cmd.c
> > > index 592ea99..6113785 100644
> > > --- a/drivers/staging/media/atomisp/pci/atomisp_cmd.c
> > > +++ b/drivers/staging/media/atomisp/pci/atomisp_cmd.c
> > > @@ -67,7 +67,8 @@
> > >   * At 15fps this means 133ms. We set the timeout a bit longer.
> > >   * Each flash driver is supposed to set its own timeout, but
> > >   * just in case someone else changed the timeout, we set it
> > > - * here to make sure we don't damage the flash hardware. */
> > > + * here to make sure we don't damage the flash hardware.
> > > + */
> > >  #define FLASH_TIMEOUT 800 /* ms */
> > >  
> > >  union host {
> > > @@ -562,7 +563,8 @@ irqreturn_t atomisp_isr(int irq, void *dev)
> > >                          * and driver needs to keep old
> > > sequence_temp value.
> > >                          * NOTE: There is assumption here that ISP
> > > will not
> > >                          * start processing next frame from sensor
> > > before old
> > > -                        * one is completely done. */
> > > +                        * one is completely done.
> > > +                        */
> > >                         if (atomic_read(&asd->sequence) ==
> > > atomic_read(
> > >                                 &asd->sequence_temp))
> > >                                 atomic_set(&asd->sequence_temp,
> > > @@ -1247,7 +1249,8 @@ void atomisp_buf_done(struct
> > > atomisp_sub_device *asd, int error,
> > >  
> > >         if (IS_ISP2401) {
> > >                 /* If there are no buffers queued then
> > 
> > This should begin with:
> > 
> >                 /*
> >                  *
> > 
> > And the same for the rest. Apart from this the patch seems fine.
> > 
> Hi Sakari,
> 
> I'm going to send a v2 correcting all the multi-line comments that are
> not beginning like this.
> 
> Besides, there are single line comments with different styles, a few
> like this:
> 
> case 1:				/* comment */
> 
> and the other like this:
> 				/*
> case2:				 * comment
>  				 */
> 
> Should I standardize these ones to the first case?

The first one is preferred for multi-line comments. But please keep under
80 characters per line.

> 
> Thank you for yout attention,

You're welcome!

-- 
Kind regards,

Sakari Ailus