linux-kernel - Re: Possible regression with commit 52221610d

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Message-ID: <CAD7vxxK9v=qjV-ec+145dKPn8orLqUXR6GfBwgFmLvo9njoT9A@mail.gmail.com>
Date:	Tue, 13 Jan 2015 08:00:06 -0800
From:	Tim Kryger <tim.kryger@...il.com>
To:	Ulf Hansson <ulf.hansson@...aro.org>
Cc:	Bjorn Andersson <bjorn@...o.se>,
	Alexandre Courbot <acourbot@...dia.com>,
	Sachin Kamat <spk.linux@...il.com>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: Possible regression with commit 52221610d

On Mon, Jan 12, 2015 at 2:31 AM, Ulf Hansson <ulf.hansson@...aro.org> wrote:
> On 5 January 2015 at 20:52, Bjorn Andersson <bjorn@...o.se> wrote:
>> On Sun, Dec 21, 2014 at 7:01 PM, Tim Kryger <tim.kryger@...il.com> wrote:
>>> On Wed, Dec 17, 2014 at 11:57 AM, Bjorn Andersson <bjorn@...o.se> wrote:
>> [..]
>>>> Non-the-less, feel free to propose a patch and I will give it a test.
>>>
>>> Lets start with the simplest change first.  Please give this a try and
>>> let me know what you think.
>>>
>>> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
>>> index ada1a3e..59a328a 100644
>>> --- a/drivers/mmc/host/sdhci.c
>>> +++ b/drivers/mmc/host/sdhci.c
>>> @@ -1239,6 +1239,12 @@ static void sdhci_set_power(struct sdhci_host
>>> *host, unsigned char mode,
>>>                 spin_unlock_irq(&host->lock);
>>>                 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
>>>                 spin_lock_irq(&host->lock);
>>> +
>>> +               if (mode != MMC_POWER_OFF)
>>> +                       sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL);
>>> +               else
>>> +                       sdhci_writeb(host, 0, SDHCI_POWER_CONTROL);
>>> +
>>>                 return;
>>>         }
>>>
>>>
>>> Thanks again for your help in getting to the bottom of this.
>>
>> Sorry for the delay, but
>>
>> Tested-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
>>
>
> This looks an okay approach. Please send a proper patch for me to
> apply as a fix.
>
> Kind regards
> Uffe

Okay.  I'll try to send something out tonight.

-Tim
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