Thread (2 messages) 2 messages, 2 authors, 2011-06-27

Re: [PATCH] crypto: crypto4xx - Perform read/modify/write on device control register

From: Herbert Xu <herbert@gondor.apana.org.au>
Date: 2011-06-27 07:33:29
Also in: linux-crypto

On Tue, Jun 21, 2011 at 08:13:21AM -0400, Josh Boyer wrote:
The Security function on the AMCC SoCs has multiple engines within a
single MMIO range.  The crypto driver currently enables the 3DES
functionality by doing a blind write to the device control register.
This can unintentionally disable other functions like the PKA or TRNG
when the driver is loaded.

Perform a read/modify/write to enable the 3DES function instead.

Signed-off-by: Josh Boyer <redacted>
Patch applied.  Thanks.
-- 
Email: Herbert Xu [off-list ref]
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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