commit dc1cedca54704d336c333b5398daaf13b23e391b
author Ravi Bangoria <ravi.bangoria@linux.ibm.com> Thu Jul 23 14:38:08 2020 +0530
committer Michael Ellerman <mpe@ellerman.id.au> Sun Jul 26 23:34:19 2020 +1000
tree a669fc65e81f4ba39d2526cd6246431c1d365e03
parent 8f460a8175e6d85537d581734e9fa7ef97036b1a

powerpc/dt_cpu_ftrs: Add feature for 2nd DAWR

Add new device-tree feature for 2nd DAWR. If this feature is present,
2nd DAWR is supported, otherwise not.

Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200723090813.303838-6-ravi.bangoria@linux.ibm.com

arch/powerpc/kernel/dt_cpu_ftrs.c

diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index 22ba7fb..6f8c0c6 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -686,6 +686,7 @@ static struct dt_cpu_feature_match __initdata
 	{"wait-v3", feat_enable, 0},
 	{"prefix-instructions", feat_enable, 0},
 	{"matrix-multiply-assist", feat_enable_mma, 0},
+	{"debug-facilities-v31", feat_enable, CPU_FTR_DAWR1},
 };
 
 static bool __initdata using_dt_cpu_ftrs;