linux-kernel - Re: [RFC PATCH 2/2] ARM: EXYNOS: Make sure that the Exynos5420 MDMA0 clock is enabled during suspend

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Date:	Mon, 30 Mar 2015 17:56:48 +0200
From:	Javier Martinez Canillas <javier.martinez@...labora.co.uk>
To:	Chanwoo Choi <cw00.choi@...sung.com>
CC:	Kukjin Kim <kgene@...nel.org>,
	Doug Anderson <dianders@...omium.org>,
	Olof Johansson <olof@...om.net>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Abhilash Kesavan <kesavan.abhilash@...il.com>,
	Kevin Hilman <khilman@...aro.org>,
	Tyler Baker <tyler.baker@...aro.org>,
	Steve Capper <steve.capper@...aro.org>,
	Amit Kucheria <amit.kucheria@...aro.org>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/2] ARM: EXYNOS: Make sure that the Exynos5420 MDMA0
 clock is enabled during suspend

Hello Chanwoo,

Thanks a lot for your feedback.

On 03/30/2015 04:04 AM, Chanwoo Choi wrote:
> 
> I faced on the similiar issue. If some clock was disabled,
> Exynos SoC could not enter the suspend mode
> 
> But, I think it is not prpper method to resolve this issue.
> about that that specific clock (e.g., mdma0) is handled in this dirver.
> Also, ARM-64bit don't include any '../mach-exynos' directory.
> 
> IMHO, some clock issue have to be handled in SoC clk driver or others.
> 

Ok, Abhilash also said that before so I just posted another RFC:

"[RFC PATCH v3 0/2] ARM: EXYNOS: Fix Suspend-to-RAM on Exynos5420"

Please let me know if that is more aligned to what you were 
thinking as the proper solution.

> 
> Best Regards,
> Chanwoo Choi
> 

Best regards,
Javier
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