linux-kernel - Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors from omap_hsmmc_reg

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Date:	Mon, 31 Aug 2015 11:14:17 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Tony Lindgren <tony@...mide.com>, Olof Johansson <olof@...om.net>
CC:	Ulf Hansson <ulf.hansson@...aro.org>, <afenkart@...il.com>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Sekhar Nori <nsekhar@...com>, Neil Brown <neilb@...e.de>
Subject: Re: [PATCH v3 02/15] mmc: host: omap_hsmmc: return on fatal errors
 from omap_hsmmc_reg_get

Hi,

On Saturday 29 August 2015 12:33 AM, Tony Lindgren wrote:
> * Olof Johansson <olof@...om.net> [150828 11:11]:
>> Hi,
>>
>> On Thu, Aug 27, 2015 at 2:13 AM, Kishon Vijay Abraham I <kishon@...com> wrote:
>>> Now return error only if the return value of
>>> devm_regulator_get_optional() is not the same as -ENODEV, since with
>>> -EPROBE_DEFER, the regulator can be obtained later and all other
>>> errors are fatal.
>>>
>>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>>> Tested-by: Tony Lindgren <tony@...mide.com>
>>
>> I bisected boot failures on Panda ES with multi_v7_defconfig down to
>> this commit on last night's -next build:
>>
>> http://arm-soc.lixom.net/bootlogs/next/next-20150828/pandaes-arm-multi_v7_defconfig.html
> 
> MMC is working for me at least on Duovero. Interesting that you also
> have all kind of errors there, I guess this is some older revision
> of the board.
> 
> Anyways, Kishon, care to look into what might be causing this?

I think this might be because my pbias fix [1] patch wasn't merged yet.
I'll try to get that resolved asap.

Thanks
Kishon

[1] -> http://lkml.iu.edu/hypermail/linux/kernel/1507.3/01594.html
> 
> Regards,
> 
> Tony
> 
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