linux-kernel - Re: [PATCH 07/20] platform: goldfish: pipe: Replace an array of 1 with a variable

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Message-ID: <CAOGAQeoEeKJDDU685cPPXr95hn_tuxmga-+4usa0b2aoKjgO=g@mail.gmail.com>
Date:   Fri, 14 Sep 2018 09:42:32 -0700
From:   Roman Kiryanov <rkir@...gle.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, Todd Kjos <tkjos@...gle.com>
Subject: Re: [PATCH 07/20] platform: goldfish: pipe: Replace an array of 1
 with a variable

Yes, in the later change I am going to retire this variable
completely. Could you please accept this patch as it?
On Fri, Sep 14, 2018 at 6:30 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Mon, Aug 27, 2018 at 11:23:02AM -0700, rkir@...gle.com wrote:
> > From: Roman Kiryanov <rkir@...gle.com>
> >
> > There is no reason to have an array of 1.
> >
> > Signed-off-by: Roman Kiryanov <rkir@...gle.com>
> > ---
> >  drivers/platform/goldfish/goldfish_pipe.c | 28 +++++++++++------------
> >  1 file changed, 13 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
> > index 24e40deb98cc..e9e3e791c0d4 100644
> > --- a/drivers/platform/goldfish/goldfish_pipe.c
> > +++ b/drivers/platform/goldfish/goldfish_pipe.c
> > @@ -205,7 +205,7 @@ struct goldfish_pipe_dev {
> >       unsigned char __iomem *base;
> >  };
> >
> > -static struct goldfish_pipe_dev pipe_dev[1] = {};
> > +struct goldfish_pipe_dev goldfish_pipe_dev;
>
>
> Why do you need a static structure at all?  Shouldn't this be tied to
> the dynamic device the driver core gives you?  That way you can handle
> any number of these devices without any code changes needed.
>
> thanks,
>
> greg k-h