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MLK-23664-11 crypto: caam - improve RNG self-test logging 

Use dev_* instead of pr_*.
Print random buffer only when debugging.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Franck LENORMAND <franck.lenormand@nxp.com>
This commit is contained in:
Horia Geantă 2020-04-14 11:31:47 +03:00
parent 14d85215ff
commit 47d7653ed8
1 changed files with 7 additions and 5 deletions
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12
drivers/crypto/caam/caamrng.c
View File

@ -176,17 +176,19 @@ static inline void test_len(struct hwrng *rng, size_t len, bool wait)
{
u8 *buf;
int real_len;
struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng);
struct device *dev = ctx->ctrldev;
buf = kzalloc(sizeof(u8) * len, GFP_KERNEL);
real_len = rng->read(rng, buf, len, wait);
pr_info("wanted %zu bytes, got %d\n", len, real_len);
dev_info(dev, "wanted %zu bytes, got %d\n", len, real_len);
if (real_len < 0)
pr_err("READ FAILED\n");
dev_err(dev, "READ FAILED\n");
else if (real_len == 0 && wait)
pr_err("WAITING FAILED\n");
dev_err(dev, "WAITING FAILED\n");
if (real_len > 0)
print_hex_dump(KERN_INFO, "random bytes@: ",
DUMP_PREFIX_ADDRESS, 16, 4, buf, real_len, 1);
print_hex_dump_debug("random bytes@: ", DUMP_PREFIX_ADDRESS, 16,
4, buf, real_len, 1);
kfree(buf);
}