All of lore.kernel.org
 help / color / mirror / Atom feed
From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm: Kirkwood - Remove kirkwood_setup_wins and rely on the DT binding
Date: Tue, 17 Sep 2013 20:58:09 +0200	[thread overview]
Message-ID: <20130917205809.6e883b13@skate> (raw)
In-Reply-To: <20130917181742.GA4182@obsidianresearch.com>

Dear Jason Gunthorpe,

On Tue, 17 Sep 2013 12:17:42 -0600, Jason Gunthorpe wrote:

> Yes, I recall you talking about this, that is why initially just went
> adding to the existing mbus ranges in the board files.
> 
> However, is that really still the case? Now that PEX uses a difference
> scheme it seems they all washed out to be the same.

No, some boards have a NOR flash that requires a dedicated window, some
do not have a NOR flash.

> > but until that exists, we thought that pushing the ranges property down
> > to the .dts file was the least horrible solution.
> 
> I think we can get away with doing it the other way for kirkwood,
> here are my reasons:
>  - Kirkwood is mature now, the DT is basically complete, we shouldn't
>    need to churn the ranges in the dtsi much, if at all.
>  - There are 31 kirkwood dts files, and none of them need a ranges
>    different from the default
>  - Kirkwood has more than enough mbus windows, we don't need to be
>    stingy with them
>  - The board files were already sort of like this, but a big chunk
>    of the 31 boards were missing ranges entirely.
> 
> Basically, no board file has a ranges, only the kirkwood.dtsi has a
> ranges.

Right, true that for Kirkwood this probably stands.

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

      parent reply	other threads:[~2013-09-17 18:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-16 22:47 [PATCH] arm: Kirkwood - Remove kirkwood_setup_wins and rely on the DT binding Jason Gunthorpe
2013-09-17 13:32 ` Ezequiel Garcia
2013-09-17 15:36   ` Jason Gunthorpe
2013-09-17 18:03     ` Thomas Petazzoni
2013-09-17 18:17       ` Jason Gunthorpe
2013-09-17 18:25         ` Ezequiel Garcia
2013-09-17 18:48         ` Sebastian Hesselbarth
2013-09-17 18:58         ` Thomas Petazzoni [this message]

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=20130917205809.6e883b13@skate \
    --to=thomas.petazzoni@free-electrons.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.