From: Chris Ball <cjb@laptop.org>
To: Seungwon Jeon <tgih.jun@samsung.com>
Cc: linux-mmc@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
kgene.kim@samsung.com, dh.han@samsung.com
Subject: Re: [PATCH] mmc: core: Fix the incorrect calculation for erase unit size.
Date: Tue, 13 Sep 2011 22:29:52 -0400 [thread overview]
Message-ID: <m21uvjc0v3.fsf@bob.laptop.org> (raw)
In-Reply-To: <002f01cc7285$d80dc660$88295320$%jun@samsung.com> (Seungwon Jeon's message of "Wed, 14 Sep 2011 11:27:26 +0900")
Hi,
On Tue, Sep 13 2011, Seungwon Jeon wrote:
>> On Thu, Sep 08 2011, Seungwon Jeon wrote:
>> > Erase unit size of high capacity is multiple of 512KiB not 1024KiB.
>>
>> Could we have some more info, please? What are the visible symptoms
>> of the erase unit size being incorrect, how did you realize this was
>> a problem, should this patch be applied to stable@, etc.
>
> It is mentioned from eMMC Spec.
> Erase unit size is defined in 512Kbyte * HC_ERASE_GRP_SIZE(EXT_CSD[224]).
You haven't answered any of the other questions I asked, though.
Thanks,
- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child
next prev parent reply other threads:[~2011-09-14 2:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-08 5:59 [PATCH] mmc: core: Fix the incorrect calculation for erase unit size Seungwon Jeon
2011-09-08 6:39 ` Kyungmin Park
2011-09-08 13:19 ` Chris Ball
2011-09-14 2:27 ` Seungwon Jeon
2011-09-14 2:29 ` Chris Ball [this message]
2011-09-14 3:50 ` Seungwon Jeon
2011-09-08 20:27 ` J Freyensee
2011-09-11 17:32 ` ajh mls
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