Re: [PATCH RFC 3/5] mmc: mmci: relax blksz check for SDIO

From: Russell King - ARM Linux
Date: Tue Aug 12 2014 - 10:12:59 EST


On Tue, Aug 12, 2014 at 01:04:40PM +0100, Srinivas Kandagatla wrote:
> From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
>
> This patch adds condition in mmci_validate_data to skip checking
> blocksize for SDIO card types. SDIO card type can issue blocksizes
> which are not exactly power of 2 so this check always fails, resulting
> in SDIO failures.

Do you understand why this check is there?

Do you realise that the standard MMCI from ARM Ltd can /only/ perform
power-of-2 block transfers?

Hence, NAK on this change as it stands.

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