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scatterwalk.c

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11 years ago

crypto: scatterwalk - Add support for calculating number of SG elements · 257aff51

Joel Fernandes authored 11 years ago


Crypto layer only passes nbytes to encrypt but in omap-aes driver we need to
know number of SG elements to pass to dmaengine slave API.  We add function for
the same to scatterwalk library.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

257aff51

History

crypto: scatterwalk - Add support for calculating number of SG elements

Joel Fernandes authored 11 years ago


Crypto layer only passes nbytes to encrypt but in omap-aes driver we need to
know number of SG elements to pass to dmaengine slave API.  We add function for
the same to scatterwalk library.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>