linux-kernel - Re: [PATCH] ARM: keystone: dts: disable "msmcsram" clock

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Message-ID: <52EA8765.1050200@ti.com>
Date:	Thu, 30 Jan 2014 19:09:57 +0200
From:	Ivan Khoronzhuk <ivan.khoronzhuk@...com>
To:	Santosh Shilimkar <santosh.shilimkar@...com>
CC:	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: keystone: dts: disable "msmcsram" clock

Thanks, I will send v2

On 01/30/2014 04:31 PM, Santosh Shilimkar wrote:
> On Thursday 30 January 2014 08:58 AM, Ivan Khoronzhuk wrote:
>> Ok. I will delete node for this clock from DT and send v1
>>
> Sorry for the html reply first of all. That node should never have
> been actually added since the clock is not suppose to be touched even
> in low power states. Change log should say something like this ...
>
> "MSMC is the coherency interconnect and all the coherent masters are
> connected to it including devices which are not under Linux OS control.
> MSMC clock should not be toched even in low power states."
>
> So drop the clock node o.w without 'clk_ignore_unused' will disable
> the clock leading to system stall.
>
> I wil try get these in rc's since its a bug fix
>
> Regards,
> Santosh
>
>
>

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