On Sun, Oct 19, 2014 at 04:16:22PM +0200, LABBE Corentin wrote:
> Add support for the Security System included in Allwinner SoC A20.
> The Security System is a hardware cryptographic accelerator that support
> AES/MD5/SHA1/DES/3DES/PRNG algorithms.
>
> Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
OK this is much better. However it seems that export/import
is still missing?
> + src_addr = kmap_atomic(sg_page(in_sg)) + in_sg->offset;
> + if (src_addr == NULL) {
> + dev_err(ss->dev, "kmap_atomic error for src SG\n");
> + writel(0, ss->base + SS_CTL);
> + mutex_unlock(&ss->lock);
I overlooked this the last time around. You cannot use mutexes
here as you can be called from softirq context so you need spin
locks.
Cheers,
--
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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