public inbox for linux-tegra@vger.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Marc Dietrich <marvin24@gmx.de>
Cc: linux-tegra@vger.kernel.org, devel@driverdev.osuosl.org,
	Thierry Reding <thierry.reding@gmail.com>,
	ac100@lists.launchpad.net
Subject: Re: [PATCH] staging/nvec: Pass proper resource to mfd_add_devices()
Date: Mon, 21 Jul 2014 14:39:15 -0700	[thread overview]
Message-ID: <20140721213915.GA8168@kroah.com> (raw)
In-Reply-To: <20140721220136.5bd54deb52f7717d8880b11c@gmx.de>

On Mon, Jul 21, 2014 at 10:01:36PM +0200, Marc Dietrich wrote:
> Hi Thierry,
> 
> On Mon, 21 Jul 2014 13:52:41 +0200
> Thierry Reding <thierry.reding@gmail.com> wrote:
> 
> > From: Thierry Reding <treding@nvidia.com>
> > 
> > The mfd_add_devices() parameter takes a struct resource * as fifth
> > argument, but the nvec driver passes in a void __iomem *. The driver
> > gets away with it because none of the subdevices ever directly access
> > the registers.
> 
> you are right, this one looked bogus. 
> 
> > While at it, use platform_get_irq() instead of platform_get_resource()
> > to get the device's interrupt. This makes it easier to pass in the
> > register region since the variable is no longer reused.
> > 
> > Signed-off-by: Thierry Reding <treding@nvidia.com>
> > ---
> > Alternatively we could simply pass NULL into mfd_add_devices(), which
> > might be a slightly more accurate representation of what's going on.
> >
> > Marc, Greg, any preferences?
> 
> I just tested with NULL as base and it seems to produce no harm. Even
> if we may get rid of mfd_add_devices in the future, passing NULL is
> cleaner for now and no children will ever make use of it. So please send
> a new version with this change.
> 
> Otherwise, thanks for looking and cleaning up.

Ok, can I get your ack for this patch then?

thanks,

greg k-h

  reply	other threads:[~2014-07-21 21:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-21 11:52 [PATCH] staging/nvec: Pass proper resource to mfd_add_devices() Thierry Reding
2014-07-21 20:01 ` Marc Dietrich
2014-07-21 21:39   ` Greg Kroah-Hartman [this message]
     [not found]     ` <20140721213915.GA8168-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-07-21 21:49       ` Thierry Reding
2014-07-21 21:20 ` Greg Kroah-Hartman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140721213915.GA8168@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=ac100@lists.launchpad.net \
    --cc=devel@driverdev.osuosl.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=marvin24@gmx.de \
    --cc=thierry.reding@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox