powerpc/powernv: Detect OPAL v3 API version

Future firmwares will support that new version

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

2 files changed, 8 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 27907cb18b8a..628c564ceadb 100644
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -56,7 +56,11 @@ int __init early_init_dt_scan_opal(unsigned long node,
                  opal.entry, entryp, entrysz);
 
         powerpc_firmware_features |= FW_FEATURE_OPAL;
-        if (of_flat_dt_is_compatible(node, "ibm,opal-v2")) {
+        if (of_flat_dt_is_compatible(node, "ibm,opal-v3")) {
+                powerpc_firmware_features |= FW_FEATURE_OPALv2;
+                powerpc_firmware_features |= FW_FEATURE_OPALv3;
+                printk("OPAL V3 detected !\n");
+        } else if (of_flat_dt_is_compatible(node, "ibm,opal-v2")) {
                 powerpc_firmware_features |= FW_FEATURE_OPALv2;
                 printk("OPAL V2 detected !\n");
         } else {
diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index c20381caaa3e..d4459bfc92f7 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -78,7 +78,9 @@ static void pnv_show_cpuinfo(struct seq_file *m)
         if (root)
                 model = of_get_property(root, "model", NULL);
         seq_printf(m, "machine\t\t: PowerNV %s\n", model);
-        if (firmware_has_feature(FW_FEATURE_OPALv2))
+        if (firmware_has_feature(FW_FEATURE_OPALv3))
+                seq_printf(m, "firmware\t: OPAL v3\n");
+        else if (firmware_has_feature(FW_FEATURE_OPALv2))
                 seq_printf(m, "firmware\t: OPAL v2\n");
         else if (firmware_has_feature(FW_FEATURE_OPAL))
                 seq_printf(m, "firmware\t: OPAL v1\n");