crypto: caam: use dma_alloc_coherent instead of dma

Fork: 0

LuminaSensum / barebox

Browse code crypto: caam: use dma_alloc_coherent instead of dma_alloc dma_alloc return non-coherent memory, but the driver does no cache maintenance on the buffer, causing memory corruption. Fix this by requesting coherent memory for the DMA transfer. Fixes: ef4144b4ab63 (crypto: caam - fix RNG buffer cache alignment) Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> stable/v2017.07 v2017.07.1
1 parent ab90948 commit 21dfbbe8b187ea6a94f675f4b28e6f7106fd8c02 Oleksij Rempel authored on 12 Jul 2017 Lucas Stach committed on 14 Jul 2017

Browse code

crypto: caam: use dma_alloc_coherent instead of dma_alloc

dma_alloc return non-coherent memory, but the driver does no cache
maintenance on the buffer, causing memory corruption. Fix this by
requesting coherent memory for the DMA transfer.

Fixes: ef4144b4ab63 (crypto: caam - fix RNG buffer cache alignment)
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>

stable/v2017.07 v2017.07.1

1 parent ab90948 commit 21dfbbe8b187ea6a94f675f4b28e6f7106fd8c02

Oleksij Rempel authored on 12 Jul 2017

Lucas Stach committed on 14 Jul 2017

Patch

Unified Split

Showing 1 changed file

Ignore Space Show notes View drivers/crypto/caam/caamrng.c

Show line notes below