linux-kernel - Re: [PATCH 2/2] ARM: dts: omap3: keep ssi ports by default

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 14 Oct 2015 13:37:36 +0200
From:	Sebastian Reichel <sre@...nel.org>
To:	Roger Quadros <rogerq@...com>
Cc:	tony@...mide.com, pavel@....cz, pali.rohar@...il.com,
	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: omap3: keep ssi ports by default

Hi,

On Wed, Oct 14, 2015 at 02:27:27PM +0300, Roger Quadros wrote:
> On 14/10/15 14:19, Sebastian Reichel wrote:
> > On Wed, Oct 14, 2015 at 01:44:16PM +0300, Roger Quadros wrote:
> >> Let's keep the SSI ports disabled in the omap3.dtsi to avoid
> >> getting the following noise on the console for boards that don't
> >> use the SSI ports.
> >>
> >> "omap_ssi_port 4805a000.ssi-port: DT data is missing cawake gpio (err=-2)"
> >>
> >> As omap3-n900 uses one SSI port, mark it enabled there.
>
> Would it be preferable to disable the ssi-controller node as well in the
> omap3.dtsi file?

If I remember it correctly, existing, but unused IP-Cores
should not be disabled in DT, so that hwmod picks them up
for power management.

Note, that it actually is disabled in omap3.dtsi and then enabled in
omap34xx/omap36xx dts files (the other variants do not have an ssi
module).

-- Sebastian

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)