RE: [PATCH] mmc: core: Fix the incorrect calculation for erase unit size.

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Chris Ball wrote:
> 
> Hi,
> 
> 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]).

Thanks.

> 
> Thanks,
> 
> - Chris.
> --
> Chris Ball   <cjb@xxxxxxxxxx>   <http://printf.net/>
> One Laptop Per Child

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