linux-kernel - Re: [PATCHv2 4/5] arm: dts: am33xx: Remove "ti,no_idle_on

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Message-ID: <517613AF.7060305@ti.com>
Date:	Tue, 23 Apr 2013 10:23:03 +0530
From:	Sourav Poddar <sourav.poddar@...com>
To:	<balbi@...com>
CC:	<gregkh@...uxfoundation.org>, <tony@...mide.com>,
	<rmk+kernel@....linux.org.uk>, <khilman@...aro.org>,
	<linux-serial@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Benoit Cousson <b-cousson@...com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Rajendra nayak <rnayak@...com>
Subject: Re: [PATCHv2 4/5] arm: dts: am33xx: Remove "ti,no_idle_on_suspend"
 property.

Hi Felipe,
On Monday 22 April 2013 08:05 PM, Felipe Balbi wrote:
> Hi,
>
> On Mon, Apr 22, 2013 at 07:13:56PM +0530, Sourav Poddar wrote:
>> The "ti,no_idle_on_suspend" property was required to keep ocmcram
>> clocks running during idle.
>>
>> But the commit below[1], added in v3.6 should prevent the
>> any automaic clock gating for devices without drivers bound.  Since
>> there is no driver for the OCM RAM block, we are not affected by
>> the automatic idle on suspend anyways.
>> [1]:
>> commit 72bb6f9b51c82c820ddef892455a85b115460904
> your commit log can be improved a bit, it could look like below:
>
> The "ti,no_idle_on_suspend" property was required to keep ocmcram clocks
> running during idle.
>
> But commit 72bb6f9 (ARM: OMAP: omap_device: don't attempt late suspend
> if no driver bound), added in v3.6 should prevent any automatic clock
> gating for devices without drivers bound.  Since there is no driver for
> the OCM RAM block, we are not affected by the automatic idle on suspend
> anyways which means "ti,no_idle_on_suspend" can be safely removed since
> there are no users for it.
>
Looks better. Will make the necesary change in the next version.
> other than that:
>
> Reviewed-by: Felipe Balbi<balbi@...com>
>

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