| Message ID | 1523602983-3418-1-git-send-email-davidwang@zhaoxin.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Herbert Xu |
| Headers | show |
On Fri, Apr 13, 2018 at 03:03:03PM +0800, David Wang wrote: > New Centaur CPU(Family > 6) supprt Random Number Generator, but can't > support MSR_VIA_RNG. Just like VIA Nano. > > Signed-off-by: David Wang <davidwang@zhaoxin.com> Patch applied. Thanks.
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c index d1f5bb5..d9448b1 100644 --- a/drivers/char/hw_random/via-rng.c +++ b/drivers/char/hw_random/via-rng.c @@ -135,7 +135,7 @@ static int via_rng_init(struct hwrng *rng) * is always enabled if CPUID rng_en is set. There is no * RNG configuration like it used to be the case in this * register */ - if ((c->x86 == 6) && (c->x86_model >= 0x0f)) { + if (((c->x86 == 6) && (c->x86_model >= 0x0f)) || (c->x86 > 6)){ if (!boot_cpu_has(X86_FEATURE_XSTORE_EN)) { pr_err(PFX "can't enable hardware RNG " "if XSTORE is not enabled\n");
New Centaur CPU(Family > 6) supprt Random Number Generator, but can't support MSR_VIA_RNG. Just like VIA Nano. Signed-off-by: David Wang <davidwang@zhaoxin.com> --- drivers/char/hw_random/via-rng.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)