Re: [PATCH v4 6/6] Atmel MCI: Driver for Atmel on-chip MMCcontrollers

[Pierre Ossman]

On Sat, 28 Jun 2008 16:01:21 +0200
Haavard Skinnemoen <haavard.skinnemoen@xxxxxxxxx> wrote:

> 
> bytes_xfered is 0 if any block failed. If I understand correctly, this
> is good enough, but not optimal. I want to improve this later, but I
> might need some more feedback from the DMA engine subsystem (e.g.
> adding "actual" and "status" fields to the descriptor.)
> 

That's good enough yes. The only incorrect value is reporting more than
was actually written as that would completely undermine any attempts of
keeping data integrity in upper layers.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  rdesktop, core developer          http://www.rdesktop.org

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