diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h index 93d4985def87..3b5c2af013d0 100644 --- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h +++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce.h @@ -149,6 +149,7 @@ struct ce_variant { bool hash_t_dlen_in_bits; bool prng_t_dlen_in_bytes; bool trng_t_dlen_in_bytes; + bool needs_word_addresses; struct ce_clock ce_clks[CE_MAX_CLOCKS]; int esr; unsigned char prng; @@ -241,6 +242,20 @@ struct sun8i_ce_dev { #endif }; +static inline u32 desc_addr_val(struct sun8i_ce_dev *dev, dma_addr_t addr) +{ + if (dev->variant->needs_word_addresses) + return addr / 4; + + return addr; +} + +static inline __le32 desc_addr_val_le32(struct sun8i_ce_dev *dev, + dma_addr_t addr) +{ + return cpu_to_le32(desc_addr_val(dev, addr)); +} + /* * struct sun8i_cipher_req_ctx - context for a skcipher request * @op_dir: direction (encrypt vs decrypt) for this request |