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SubjectRe: 2GB MMC/SD cards
On Wed, Jun 07, 2006 at 11:08:36AM +0200, Pierre Ossman wrote:
> New information. Version 4.2 of the MMC spec changes the wording to this:
> Block length for write operations. See READ_BL_LEN for field coding.
> Note that the support for 512B write access is mandatory for all cards.
> Similar wording for READ_BL_LEN, but that isn't of interest to us.

I wonder if all 2GB cards are >= v4.2 of the spec? If so, we could
do what would appear correct to both the spec and reality, and select
512 byte blocksizes irrespective if they conform to v4.2 or later.

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of: 2.6 Serial core
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