Re: [patch 5/5] [RFC] Add MMC Password Protection (lock/unlock) supportV7: mmc_omap_dma.diff
From: Pierre Ossman
Date: Fri Dec 01 2006 - 16:20:52 EST
Anderson Briglia wrote:
>
> This patch is needed only for lock/unlock commands. So, it's necessary to
> make MMC omap works when using that feature. It's not a generic patch.
> But I can take off this one from the series and send after (if) the
> series
> is integrated.
>
The patches are marked "[RFC]" which I interpret as that I shouldn't
merge it. Is this incorrect?
>
> frame depends on data->blksz. When we were using data->blksz_bits
> everything was
> ok because we always had a multiple of 16 bits (2 bytes). Once a pwd
> can has a size
> not multiple of 2, the value must be rounded.
> According to MMC OMAP Technical Reference Manual, because of each DMA
> transfer is of
> equal size, it is necessary to have the block size of the transfer be
> a multiple of
> the DMA write access size (which is 2 bytes).
>
This sounds very generic and not something that is specific to the
password command.
Rgds
--
-- Pierre Ossman
Linux kernel, MMC maintainer http://www.kernel.org
PulseAudio, core developer http://pulseaudio.org
rdesktop, core developer http://www.rdesktop.org
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