diff options
| author | Steve Cornelius <steve.cornelius@freescale.com> | 2012-06-28 15:39:18 -0700 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:39:17 +0800 |
| commit | 6b2617ffb2513f4fbbc798e1b4a9a4ed634c80ba (patch) | |
| tree | 4aba4229e160512b0ecddf3b250cf4a76103cd64 /drivers/crypto | |
| parent | 274efb68574acac15e1db22a3cdfe158892f8f66 (diff) | |
ENGR00215228-13: Add cache coherence to externalized key generation
Add cache coherence to externalized key generation
Signed-off-by: Steve Cornelius <steve.cornelius@freescale.com>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/caam/key_gen.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c index 8e8a1d71ded6..8e67628b3c1b 100644 --- a/drivers/crypto/caam/key_gen.c +++ b/drivers/crypto/caam/key_gen.c @@ -64,6 +64,7 @@ u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, kfree(desc); return -ENOMEM; } + dma_sync_single_for_device(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE); append_key(desc, dma_addr_in, keylen, CLASS_2 | KEY_DEST_CLASS_REG); /* Sets MDHA up into an HMAC-INIT */ @@ -111,7 +112,8 @@ u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, split_key_pad_len, 1); #endif } - + dma_sync_single_for_cpu(jrdev, dma_addr_out, split_key_pad_len, + DMA_FROM_DEVICE); dma_unmap_single(jrdev, dma_addr_out, split_key_pad_len, DMA_FROM_DEVICE); dma_unmap_single(jrdev, dma_addr_in, keylen, DMA_TO_DEVICE); |