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From: andreiw@motorola.com (Andrei Warkentin)
To: linux-arm-kernel@lists.infradead.org
Subject: irq flood with mmc boot partitions on s3c2416 with 3.0rc1
Date: Thu, 16 Jun 2011 15:35:52 -0500	[thread overview]
Message-ID: <BANLkTin3knd8CUP4wSrXYio-asrM+Omrhg@mail.gmail.com> (raw)
In-Reply-To: <201106162214.11084.heiko@sntech.de>

Hi,

On Thu, Jun 16, 2011 at 3:14 PM, Heiko St?bner <heiko@sntech.de> wrote:
> Am Dienstag 14 Juni 2011, 22:32:41 schrieb Andrei Warkentin:
>> Hi Heiko,
>>
>> On Tue, Jun 14, 2011 at 9:10 AM, Heiko St?bner <heiko@sntech.de> wrote:
>> > nope, no updates yet. The flood also only starts when udev wants to
>> > create its device nodes, meaning the initial detection seems not to
>> > produce this problem
>> >
>> > But when I disable the whole boot partition stuff, it works as before
>> > without irq storms.
>> >
>> > As there don't seem to exist reports from other emmc users about this
>> > I guess the problem lays somewhere between the boot-partitions-patch
>> > and the sdhci-s3c driver (for s3c2416 at least).
>>
>> Alright. Curious. Can you let me know what eMMC device you are
>> connecting to the controller? What is the eMMC revision?
> hmm ... how do I find these?

The simplest is probably knowing what part is in your platform. The
slightly more involved is adding a relevant printk for
card->ext_csd.rev inside drivers/mmc/core/mmc.c.

> The real device providing the storage is a 2GB NAND Flash from Hynix.
>
> And sadly both of your patches didn't change anything.
>

Can you provide me dmesg for both patches?

Thanks again,
A

  reply	other threads:[~2011-06-16 20:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-02 19:49 irq flood with mmc boot partitions on s3c2416 with 3.0rc1 Heiko Stübner
2011-06-02 23:48 ` Kyungmin Park
2011-06-03  5:31   ` Santosh Shilimkar
2011-06-03  7:56   ` Heiko Stübner
2011-06-14  0:09     ` Andrei Warkentin
2011-06-14 14:10       ` Heiko Stübner
2011-06-14 20:32         ` Andrei Warkentin
2011-06-16 20:14           ` Heiko Stübner
2011-06-16 20:35             ` Andrei Warkentin [this message]
2011-06-18 20:20               ` Heiko Stübner
2011-06-18 20:56 ` Daniel Mack
2011-06-19 14:23   ` Heiko Stübner
2011-06-20 19:34     ` Andrei Warkentin

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