Re: [PATCH 09/10] crypto: omap-aes: gcm: Add support for PIO mode

From: Lokesh Vutla
Date: Thu Jul 02 2015 - 06:18:17 EST


On Thursday 02 July 2015 01:36 PM, Felipe Balbi wrote:
> On Thu, Jul 02, 2015 at 10:48:39AM +0530, Lokesh Vutla wrote:
>> Add support for PIO mode for GCM mode.
>>
>> Signed-off-by: Lokesh Vutla <lokeshvutla@xxxxxx>
>
> why do you require PIO ? Is there any situation where DMA can't be
> used? What would that case be ?

Cannot think of any case where DMA can't be used.
But the current driver already supports PIO for all other AES modes.
I do not want to break it, so added support for PIO for GCM :)

Thanks and regards,
Lokesh

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