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

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Message-ID: <CAJAp7Oi0AyLxy1KFpZ-Cz1-ts9Lh2UaxP3+e6n3EyQjVaEfoXg@mail.gmail.com>
Date:	Mon, 5 Jan 2015 11:52:25 -0800
From:	Bjorn Andersson <bjorn@...o.se>
To:	Tim Kryger <tim.kryger@...il.com>
Cc:	Ulf Hansson <ulf.hansson@...aro.org>,
	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 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>

Regards,
Bjorn
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