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Message-ID: <56CC1E0E.4050400@gmail.com>
Date:	Tue, 23 Feb 2016 09:53:34 +0100
From:	Matthias Brugger <matthias.bgg@...il.com>
To:	Kevin Hilman <khilman@...libre.com>,
	Eddie Huang <eddie.huang@...iatek.com>
Cc:	Henry Chen <henryc.chen@...iatek.com>,
	Chaotian Jing <chaotian.jing@...iatek.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
	srv_heupstream@...iatek.com
Subject: Re: [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail
 issue



On 23/02/16 01:32, Kevin Hilman wrote:
> Eddie Huang <eddie.huang@...iatek.com> writes:
>
>> MT8173 E1 chip has one bug that if turn off USB power domain, vcore
>> power will also be off, thus cause modules using vcore power domain
>> fail, like MMC. The E1 chip only found on MT8173-evb board and this
>> board only has E1 chip, so implement this as a board specific
>> workaround.
>>
>> Pwrapper use vcore power, so add pwrapper using USB power domain to
>> keep USB power domain not to zero and disabled.
>>
>> Signed-off-by: Eddie Huang <eddie.huang@...iatek.com>
>
> Tested-by: Kevin Hilman <khilman@...libre.com>
>

I send the patch in a pull request yesterday, so I won't be able to add 
your tag.
Thanks for testing and reporting this issue!

Matthias

> I verified that this gets my mt8173-evb booting again when I enable MMC
> support.
>
> Thanks,
>
> Kevin
>

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