crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes

Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.

Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.

Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

path: root/sound/soc/samsung/dma.h

/*
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  ALSA PCM interface for the Samsung SoC
 */

#ifndef _SAMSUNG_DMA_H
#define _SAMSUNG_DMA_H

#include <sound/dmaengine_pcm.h>

/*
 * @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx",
 * otherwise actual DMA channel names must be passed to this function.
 */
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
				       const char *tx, const char *rx);
#endif /* _SAMSUNG_DMA_H */