linux-kernel - Re: [PATCH 0/2] mmc: dw_mmc: fix the wrong operation for reset controller

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Message-id: <e7ce67f2-9e2a-6895-7bb3-842261915cd8@samsung.com>
Date:   Thu, 03 Nov 2016 14:19:15 +0900
From:   Jaehoon Chung <jh80.chung@...sung.com>
To:     John Stultz <john.stultz@...aro.org>
Cc:     linux-mmc <linux-mmc@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        lkml <linux-kernel@...r.kernel.org>,
        Guodong Xu <guodong.xu@...aro.org>,
        Leo Yan <leo.yan@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH 0/2] mmc: dw_mmc: fix the wrong operation for reset
 controller

Hi,

On 11/02/2016 06:56 AM, John Stultz wrote:
> On Sun, Oct 30, 2016 at 7:49 PM, Jaehoon Chung <jh80.chung@...sung.com> wrote:
>> This patch adds the "reset-names" as reset controller for dwmmc controller.
>> Linaro guys had reported the issue about booting stuck.
>>
>> Some SoCs are enabled the CONFIG_RESET_CONTROLLER.
>> then dwmmc controller are waiting for getting reset controller.
>> But if doesn't define "resets" property in device-tree, it should be stuck.
>>
>> If use the reset-names as reset controller for dwmmc controller,
>> it's more stable than now.
>> This commit is related with the below commit.
>>
>> Fixes: d6786fefe816 ("mmc: dw_mmc: add reset support to dwmmc host controller")
> 
> So I wasn't hit by the issue, as I don't tend to boot from SD on my
> hikey, but I did run these patches and I'm not seeing any issues with
> my Android environment.
> 
> So for what its worth:
> Acked-by: John Stultz <john.stultz@...aro.org>

Applied on my repository (fixes branch).

Best Regards,
Jaehoon Chung

> 
> thanks
> -john
> 
> 
>