From: Scott Wood <scottwood@freescale.com>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org, kumar.gala@freescale.com
Subject: Re: [PATCH 2/2] powerpc/85xx: p1022ds: enable monitor switching via pixis indirect mode
Date: Thu, 17 Nov 2011 16:45:58 -0600 [thread overview]
Message-ID: <20111117224558.GA18848@schlenkerla.am.freescale.net> (raw)
In-Reply-To: <4EC58AA0.2070905@freescale.com>
On Thu, Nov 17, 2011 at 04:28:48PM -0600, Timur Tabi wrote:
> Scott Wood wrote:
>
> > As we discussed earlier, you could have a kernel boot parameter that
> > indicates what mode you'd like the localbus to run in. Then, platform
> > code could update the device tree before any drivers bind.
>
> How do I update the device tree from platform code?
prom_update_property()
Or, since you shouldn't be declaring these devices directly under a
simple-bus node, selectively probe the devices that are accessible.
> > Or, have U-boot set up the desired mode before entering the kernel, and
> > provide an appropriate device tree.
>
> I can both of these features, but not in this patch.
This patch is the one that is adding a switch to indirect mode. You're
adding it to the wrong place (it shouldn't be in a function called by the
DIU driver), so it is relevant to this patch.
-Scott
next prev parent reply other threads:[~2011-11-17 22:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-17 18:57 [PATCH 1/2] powerpc/85xx: add pixis indirect mode device tree node Timur Tabi
2011-11-17 18:57 ` [PATCH 2/2] powerpc/85xx: p1022ds: enable monitor switching via pixis indirect mode Timur Tabi
2011-11-17 21:29 ` Stephen Rothwell
2011-11-17 22:09 ` Timur Tabi
2011-11-19 1:04 ` Stephen Rothwell
2011-11-21 17:01 ` Timur Tabi
2011-11-17 21:37 ` Scott Wood
2011-11-17 22:12 ` Timur Tabi
2011-11-17 22:25 ` Scott Wood
2011-11-17 22:28 ` Timur Tabi
2011-11-17 22:45 ` Scott Wood [this message]
2011-11-18 17:00 ` Timur Tabi
2011-11-18 18:06 ` Scott Wood
2011-11-18 18:08 ` Timur Tabi
2011-11-17 21:50 ` [PATCH 1/2] powerpc/85xx: add pixis indirect mode device tree node Scott Wood
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