From: Jaehoon Chung <jh80.chung@samsung.com>
To: Jisheng Zhang <jszhang@marvell.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Adrian Hunter <adrian.hunter@intel.com>,
ludovic.desroches@atmel.com
Cc: "Ivan T. Ivanov" <ivan.ivanov@linaro.org>,
linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: Warnings for invalid VDD (sdhci-s3c)
Date: Thu, 24 Mar 2016 17:09:27 +0900 [thread overview]
Message-ID: <56F3A0B7.4050509@samsung.com> (raw)
In-Reply-To: <20160324155840.50474b98@xhacker>
Hi,
On 03/24/2016 04:58 PM, Jisheng Zhang wrote:
> Hi,
>
> On Thu, 24 Mar 2016 16:28:56 +0900 Krzysztof Kozlowski wrote:
>
>> Hi,
>>
>> After 918f4cbd4340 ("mmc: sdhci: restore behavior when setting VDD via
>> external regulator") On Trats2 board I see warnings for invalid VDD
>> value (2.8V):
>>
>> [ 3.119656] ------------[ cut here ]------------
>> [ 3.119666] WARNING: CPU: 3 PID: 90 at
>> ../drivers/mmc/host/sdhci.c:1234 sdhci_do_set_ios+0x4cc/0x5e0
>> [ 3.119669] mmc0: Invalid vdd 0x10
>
> Per my understanding, the wrong vdd indicates a wrong ocr, what's the voltage of
> this host's vmmc regulator?
As i know, it's fixed-voltage with gpio on trats2. It's 2.8V.
I didn't check this entirely..need to check ocr value.
Best Regards,
Jaehoon Chung
>
> Thanks,
> Jisheng
>
>
next prev parent reply other threads:[~2016-03-24 8:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-24 7:28 Warnings for invalid VDD (sdhci-s3c) Krzysztof Kozlowski
2016-03-24 7:58 ` Jisheng Zhang
2016-03-24 8:09 ` Jaehoon Chung [this message]
2016-03-24 8:24 ` Jisheng Zhang
2016-03-24 8:42 ` Krzysztof Kozlowski
2016-03-24 13:11 ` Adrian Hunter
2016-03-24 13:21 ` Adrian Hunter
2016-03-24 13:45 ` Jisheng Zhang
2016-03-24 14:27 ` Ludovic Desroches
2016-03-28 6:07 ` Krzysztof Kozlowski
2016-03-29 9:39 ` Adrian Hunter
2016-03-29 9:45 ` [PATCH V3] mmc: sdhci: Fix regression setting power on Trats2 board Adrian Hunter
2016-03-29 10:00 ` Jisheng Zhang
2016-03-29 10:02 ` Jaehoon Chung
2016-03-29 10:25 ` Anand Moon
2016-03-29 10:47 ` Ulf Hansson
2016-03-24 13:31 ` Warnings for invalid VDD (sdhci-s3c) Markus Reichl
2016-03-24 14:03 ` Ludovic Desroches
2016-03-24 14:34 ` Adrian Hunter
2016-03-27 7:41 ` Anand Moon
2016-03-28 5:33 ` Krzysztof Kozlowski
2016-03-28 11:39 ` Anand Moon
2016-03-29 7:59 ` Adrian Hunter
2016-03-29 10:05 ` Anand Moon
2016-03-24 13:30 ` Tobias Jakobi
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