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Commit 49d11795 authored by davidwang's avatar davidwang Committed by Herbert Xu
Browse files

hwrng: via - support new Centaur CPU 



New Centaur CPU(Family > 6) supprt Random Number Generator, but can't
support MSR_VIA_RNG. Just like VIA Nano.

Signed-off-by: default avatarDavid Wang <davidwang@zhaoxin.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b2b4f84d

drivers/char/hw_random/via-rng.c

+1 −1
Original line number Diff line number Diff line
@@ -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");