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powerpc/powernv/idle: Replace CPU feature check with PVR check

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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 <psampat@linux.ibm.com>
[mpe: Use updated change log from Nick]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200721153708.89057-2-psampat@linux.ibm.com
This commit is contained in:
Pratik Rajesh Sampat 2020-07-21 21:07:06 +05:30 committed by Michael Ellerman
parent 69507b984d
commit 8747bf36f3
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/powernv/idle.c
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@ -1223,7 +1223,7 @@ static void __init pnv_probe_idle_states(void)
return; return;
} }
if (cpu_has_feature(CPU_FTR_ARCH_300)) if (pvr_version_is(PVR_POWER9))
pnv_power9_idle_init(); pnv_power9_idle_init();
for (i = 0; i < nr_pnv_idle_states; i++) for (i = 0; i < nr_pnv_idle_states; i++)