Re: 2GB MMC/SD cards

[Russell King]

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:
> 
> * WRITE_BL_LEN
> 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   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/