From: Matthias Brugger <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Kevin Hilman <khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
Eddie Huang <eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
Cc: Henry Chen <henryc.chen-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
Chaotian Jing
<chaotian.jing-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-mediatek-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
srv_heupstream-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail issue
Date: Tue, 23 Feb 2016 09:53:34 +0100 [thread overview]
Message-ID: <56CC1E0E.4050400@gmail.com> (raw)
In-Reply-To: <7h37skw9jd.fsf-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
On 23/02/16 01:32, Kevin Hilman wrote:
> Eddie Huang <eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> 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-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
>
> Tested-by: Kevin Hilman <khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
>
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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next prev parent reply other threads:[~2016-02-23 8:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-19 6:00 [PATCH] ARM64: dts: Mediatek: mt8173-evb: fix access MMC fail issue Eddie Huang
[not found] ` <1455861643-24307-1-git-send-email-eddie.huang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2016-02-19 10:05 ` Matthias Brugger
2016-02-23 0:32 ` Kevin Hilman
[not found] ` <7h37skw9jd.fsf-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-02-23 8:53 ` Matthias Brugger [this message]
[not found] ` <56CC1E0E.4050400-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-02-23 18:32 ` Kevin Hilman
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