From: Felipe Balbi <balbi@ti.com>
Subject: Re: [PATCH 09/10] crypto: omap-aes: gcm: Add support for PIO mode
Date: Thu, 2 Jul 2015 03:06:36 -0500
Message-ID: <20150702080636.GH4033@saruman.tx.rr.com>
References: <1435814320-30347-1-git-send-email-lokeshvutla@ti.com>
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Cc: <herbert@gondor.apana.org.au>, <linux-crypto@vger.kernel.org>,
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To: Lokesh Vutla <lokeshvutla@ti.com>
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On Thu, Jul 02, 2015 at 10:48:39AM +0530, Lokesh Vutla wrote:
> Add support for PIO mode for GCM mode.
>=20
> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

why do you require PIO ? Is there any situation where DMA can't be
used? What would that case be ?

--=20
balbi

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