diff options
Diffstat (limited to 'drivers/crypto/caam/caamrng.c')
| -rw-r--r-- | drivers/crypto/caam/caamrng.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/crypto/caam/caamrng.c b/drivers/crypto/caam/caamrng.c index 9b92af2c7241..41398da3edf4 100644 --- a/drivers/crypto/caam/caamrng.c +++ b/drivers/crypto/caam/caamrng.c @@ -52,7 +52,7 @@ /* length of descriptors */ #define DESC_JOB_O_LEN (CAAM_CMD_SZ * 2 + CAAM_PTR_SZ * 2) -#define DESC_RNG_LEN (4 * CAAM_CMD_SZ) +#define DESC_RNG_LEN (3 * CAAM_CMD_SZ) /* Buffer, its dma address and lock */ struct buf_data { @@ -100,8 +100,7 @@ static void rng_done(struct device *jrdev, u32 *desc, u32 err, void *context) { struct buf_data *bd; - bd = (struct buf_data *)((char *)desc - - offsetof(struct buf_data, hw_desc)); + bd = container_of(desc, struct buf_data, hw_desc[0]); if (err) caam_jr_strstatus(jrdev, err); @@ -196,9 +195,6 @@ static inline int rng_create_sh_desc(struct caam_rng_ctx *ctx) init_sh_desc(desc, HDR_SHARE_SERIAL); - /* Propagate errors from shared to job descriptor */ - append_cmd(desc, SET_OK_NO_PROP_ERRORS | CMD_LOAD); - /* Generate random bytes */ append_operation(desc, OP_ALG_ALGSEL_RNG | OP_TYPE_CLASS1_ALG); @@ -351,7 +347,7 @@ static int __init caam_rng_init(void) pr_err("Job Ring Device allocation for transform failed\n"); return PTR_ERR(dev); } - rng_ctx = kmalloc(sizeof(*rng_ctx), GFP_DMA); + rng_ctx = kmalloc(sizeof(*rng_ctx), GFP_DMA | GFP_KERNEL); if (!rng_ctx) { err = -ENOMEM; goto free_caam_alloc; |