Thread (14 messages) 14 messages, 3 authors, 2014-09-30

Re: [PATCH 00/13] ARM: shmobile: dts: Add chosen/stdout-path

From: Simon Horman <horms@verge.net.au>
Date: 2014-09-30 08:05:30
Also in: linux-sh

On Tue, Sep 30, 2014 at 09:04:16AM +0200, Geert Uytterhoeven wrote:
Hi Simon,

On Tue, Sep 30, 2014 at 8:30 AM, Simon Horman [off-list ref] wrote:
quoted
On Tue, Sep 30, 2014 at 11:07:56AM +0900, Simon Horman wrote:
quoted
On Thu, Sep 25, 2014 at 06:13:16PM +0200, Geert Uytterhoeven wrote:
quoted
This patch series adds chosen/stdout-path to the various shmobile DTS files
that are used for reference or multi-platform builds.

This serves two purposes:
  1. It makes automatic console selection work in the absence of a "console="
     parameter on the kernel command line, allowing to remove "console="
     parameters from chosen/bootargs on many platforms.
     Note that these "console=" parameters are still needed in some cases:
       a. If console output is wanted on two consoles devices (graphical and
          serial consoles), like on armadillo and kzm9g,
       b. When using a non-default baud for the serial console, like on
          henninger and alt,
  2. It will allow the PM domain code to find the PM domain for the console
     device, to make "no_console_suspend" work in the DT case.
     For now, this will matter on armadillo.

The first two patches are small cleanups for emev2 dtsi, on top of which the
change for kzm9d is built.
Thanks, I have queued these up for v3.19.
I spoke a little too soon.

While testing these patches I noticed that the koelsch patch
cases there to be no kernel output to the console (during boot)
when booting using legacy C.

I assume that this is due to removing
console=ttySC6,115200 from bootargs.
Sorry, in my mind koelsch legacy is already gone ;-)
quoted
I also assume this affects all boards that can still
be booted using legacy C.
Only the ones where the DTS is shared between legacy and
reference/multi-platform.
Armadillo is not affected, as the console parameters are kept to have
output on both graphical and serial console.
So that leaves us with lager and koelsch only.
quoted
I have dropped this series for now.
Do you want me to resend with the console= parameter kept for koelsch
and lager?
Or should we delay this whole series until koelsch and lager legacy
have been dropped?
I think it would be best if you reposted the series.
IIUC, this is going to happen soon for koelsch, but not for lager?
Yes, that is my understanding too.
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