linux-kernel - Re: [PATCH v2 1/7] media: uvcvideo: Use pr

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Message-ID: <CANiDSCt8twP=JTkGjSVKdDwRhuHb7Jkv+=08U6oFdGtAjtrELw@mail.gmail.com>
Date:   Thu, 5 Nov 2020 10:50:45 +0100
From:   Ricardo Ribalda <ribalda@...omium.org>
To:     Joe Perches <joe@...ches.com>
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/7] media: uvcvideo: Use pr_cont() macro

Hi Joe

On Thu, Nov 5, 2020 at 12:59 AM Joe Perches <joe@...ches.com> wrote:
>
> On Thu, 2020-11-05 at 00:01 +0100, Ricardo Ribalda wrote:
> > Hi Joe
> >
> > On Thu, Nov 5, 2020 at 12:00 AM Joe Perches <joe@...ches.com> wrote:
> > >
> > > On Wed, 2020-11-04 at 23:31 +0100, Ricardo Ribalda wrote:
> > >
> > > > I have updated my tree with the dev_ variants
> > > >
> > > > https://github.com/ribalda/linux/commit/b8785fd8efb4f2e5bbf5d0f2df3e0d69a5439015
> > >
> > > I looked at this link and was confused so you made me look.
> > > I think you meant:
> > >
> > > https://github.com/ribalda/linux/commit/83cb6eb3a9f7bd1954acbfb4fb3d56ddf54bce73
> >
> > Yes, thanks :) Sorry about that
> >
> > This is why I should be away from a keyboard after 23:00 :)
>
> Sleep is good.
> There are lots of sleep deprived people here in the US today though.

Today and tomorrow and the day after. Seems like you are not going to
sleep for a week if you want a final result.

>
> It looks as if all the pr_cont uses in the code are odd and repetitive.
>
> Perhaps it'd be sensible to add something like:

Looks like a great idea. Queued for my v3

https://github.com/ribalda/linux/commit/1623b648331d7f69c8a9f6b199e119f6c8ee61c6

I let Laurent decide if we should squash with the previous patch or not.

Thanks!

>
> #define uvc_trace_cont(flag, fmt, ...)                                  \
> do {                                                                    \
>         if (uvc_trace_param & (flag))                                   \
>                 pr_cont(fmt, ##__VA_ARGS__);                            \
> } while (0)
>
> and change all the uses like:
>
> -               if (uvc_trace_param & UVC_TRACE_PROBE)
> -                       printk(KERN_CONT " <- SU %d", entity->id);
> +               uvc_trace_cont(UVC_TRACE_PROBE, " <- SU %d", entity->id);
>
>


-- 
Ricardo Ribalda