[PATCH] powerpc/pseries: energy driver only print message when LPAR guest

[Nicholas Piggin]

This driver currently reports the H_BEST_ENERGY is unsupported even
when booting in a non-LPAR environment (e.g., powernv). Prevent it.

Signed-off-by: Nicholas Piggin <npig...@gmail.com>
---
 arch/powerpc/platforms/pseries/pseries_energy.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/powerpc/platforms/pseries/pseries_energy.c 
b/arch/powerpc/platforms/pseries/pseries_energy.c
index 164a13d3998a..832b3d7898a3 100644
--- a/arch/powerpc/platforms/pseries/pseries_energy.c
+++ b/arch/powerpc/platforms/pseries/pseries_energy.c
@@ -229,6 +229,9 @@ static int __init pseries_energy_init(void)
        int cpu, err;
        struct device *cpu_dev;
 
+       if (!firmware_has_feature(FW_FEATURE_LPAR))
+               return 0;
+
        if (!firmware_has_feature(FW_FEATURE_BEST_ENERGY)) {
                printk(KERN_INFO "Hypercall H_BEST_ENERGY not supported\n");
                return 0;
-- 
2.11.0