linux-kernel - Re: [RESEND PATCH] ARM: EXYNOS: Fix failed second suspend on Exynos4

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Message-id: <54EC3A2B.9000603@samsung.com>
Date:	Tue, 24 Feb 2015 17:45:31 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Kukjin Kim <kgene@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	stable@...r.kernel.org
Subject: Re: [RESEND PATCH] ARM: EXYNOS: Fix failed second suspend on Exynos4

On 02/24/2015 04:59 PM, Krzysztof Kozlowski wrote:
> On wto, 2015-02-24 at 11:38 +0900, Chanwoo Choi wrote:
>> Hi Krzysztof,
>>
>> I tested this patch for suspend-to-ram on Exynos4412-based trats2 board.
>> When I tested suspend-to-ram repetitively, I faced on hang issue of
>> suspend-to-ram for Exynos4 as before.
>>
>> Could you send .config file for test?
> 
> I am testing on exynos_defconfig with some stuff enabled (nothing
> special: regulators, chargers, PM_ADVANCED_DEBUG, extcon etc.). However
> sometimes I also see hangs related to MMC. But I believe this issue is
> present for some time and is not related to my DELAYED_RESET_ASSERTION
> changes.

I understand. I think we have to resolve the remaining hang issue for Exynos4 suspend-to-ram.

Thanks,
Chanwoo Choi
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