linux-kernel - Re: [PATCH] mmc: sdhci-msm: Add support for vendor capabilities registers

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Message-ID: <550C3B8F.50802@linaro.org>
Date:	Fri, 20 Mar 2015 17:23:59 +0200
From:	Georgi Djakov <georgi.djakov@...aro.org>
To:	Bjorn Andersson <bjorn@...o.se>
CC:	Ulf Hansson <ulf.hansson@...aro.org>,
	linux-mmc <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH] mmc: sdhci-msm: Add support for vendor capabilities registers

On 03/19/2015 07:55 PM, Bjorn Andersson wrote:
> On Thu, Mar 19, 2015 at 9:21 AM, Georgi Djakov <georgi.djakov@...aro.org> wrote:
> [..]
>>> Does the 8916 board you have work without bumping the
>>> regulator_set_load() (previously regulator_set_optimum_mode())? None
>>> of my 8974 boards work reliably without it.
>>
>> My 8916 board seems to be working fine with this, at least when doing basic tests
>> like mounting filesystems and file transfers. I'm not calling any regulator_set_load()
>> functions. Is your board a dragonboard or something else? If you are doing any
>> specific tests maybe i can try the same on my board?
>>
> 
> My test setup is Xperia Z1, where I get issues when running with
> hs200. On Xperia Z3 i can't even read out the partition table during
> boot. I'm not sure what causes the difference to the dragonboard -
> perhaps just different memories.
> 

Thanks for the information. Currently i do not notice such issues, but
however i will do some more testing.

> So I have a patch where I hook up the mmc framework with some calls to
> regulator_set_load(), but it need some more love before I can send it
> out. I postponed it due to the rework of regulator_set_optimum_mode()
> that I did.

Ok, sounds good. I can test it on a few boards that i have.

Thanks,
Georgi
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