[PATCH 3/6] powerpc/64: Add logical PVR to the dump stack arch description

[Michael Ellerman]

If we detect a logical PVR add that to the dump stack arch
description, which is printed in case of an oops.

eg: Hardware name: ... lpvr:0xf000004

Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 arch/powerpc/kernel/prom.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 7987d69f1785..dca06ef7fcde 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -390,8 +390,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 	 */
 	if (!dt_cpu_ftrs_in_use()) {
 		prop = of_get_flat_dt_prop(node, "cpu-version", NULL);
-		if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000)
+		if (prop && (be32_to_cpup(prop) & 0xff000000) == 0x0f000000) {
 			identify_cpu(0, be32_to_cpup(prop));
+			seq_buf_printf(&ppc_hw_desc, "lpvr:0x%04x ", be32_to_cpup(prop));
+		}
 
 		check_cpu_feature_properties(node);
 		check_cpu_features(node, "ibm,pa-features", ibm_pa_features,
-- 
2.37.3