From: Roger Quadros <rogerq@ti.com>
To: Sebastian Reichel <sre@kernel.org>
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 14:54:53 +0300 [thread overview]
Message-ID: <561E428D.4030305@ti.com> (raw)
In-Reply-To: <20151014113736.GC14340@earth>
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On 14/10/15 14:37, Sebastian Reichel wrote:
> 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.
OK.
>
> 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).
Thanks for the info :)
cheers,
-roger
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next prev parent reply other threads:[~2015-10-14 11:55 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
2015-10-14 11:54 ` Roger Quadros [this message]
2015-10-19 16:01 ` Tony Lindgren
2015-10-21 8:08 ` Roger Quadros
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