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From: Sebastian Reichel <sre@kernel.org>
To: Roger Quadros <rogerq@ti.com>
Cc: tony@atomide.com, pavel@ucw.cz, pali.rohar@gmail.com,
	linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] ARM: dts: omap3: keep ssi ports by default
Date: Wed, 14 Oct 2015 13:37:36 +0200	[thread overview]
Message-ID: <20151014113736.GC14340@earth> (raw)
In-Reply-To: <561E3C1F.5000406@ti.com>

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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

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  reply	other threads:[~2015-10-14 11:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-14 10:44 [PATCH 0/2] omap: hsi: Fix warnings on boards that don't use ssi ports Roger Quadros
2015-10-14 10:44 ` [PATCH 1/2] hsi: omap_ssi_port: Prevent warning if cawake_gpio is not defined Roger Quadros
2015-10-14 11:40   ` Sebastian Reichel
2015-10-14 10:44 ` [PATCH 2/2] ARM: dts: omap3: keep ssi ports by default Roger Quadros
2015-10-14 10:53   ` Pali Rohár
2015-10-14 11:17     ` Sebastian Reichel
2015-10-14 11:19   ` Sebastian Reichel
2015-10-14 11:27     ` Roger Quadros
2015-10-14 11:37       ` Sebastian Reichel [this message]
2015-10-14 11:54         ` Roger Quadros
2015-10-19 16:01   ` Tony Lindgren
2015-10-21  8:08     ` Roger Quadros

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