From 8747bf36f312356f8a295a0c39ff092d65ce75ae Mon Sep 17 00:00:00 2001 From: Pratik Rajesh Sampat Date: Tue, 21 Jul 2020 21:07:06 +0530 Subject: [PATCH] powerpc/powernv/idle: Replace CPU feature check with PVR check The POWER9 idle driver contains implementation-specific details that means it is not suitable to run on any processor that implements ISA v3.0 (e.g., POWER10), so only init the driver when running on a POWER9. Signed-off-by: Pratik Rajesh Sampat [mpe: Use updated change log from Nick] Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20200721153708.89057-2-psampat@linux.ibm.com --- arch/powerpc/platforms/powernv/idle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index 1c9d0a9d50e02..3a604d7ac91db 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -1223,7 +1223,7 @@ static void __init pnv_probe_idle_states(void) return; } - if (cpu_has_feature(CPU_FTR_ARCH_300)) + if (pvr_version_is(PVR_POWER9)) pnv_power9_idle_init(); for (i = 0; i < nr_pnv_idle_states; i++) -- 2.30.2