From 0a87ccd3699983645f54cafd2258514a716b20b8 Mon Sep 17 00:00:00 2001
From: Tyrel Datwyler <tyreld@linux.ibm.com>
Date: Sun, 10 Nov 2019 23:21:37 -0600
Subject: [PATCH] powerpc/pseries: Enable support for ibm,drc-info property
References: FATE#326955 bsc#1157480 ltc#181028
Patch-mainline: v5.5-rc1
Git-commit: 0a87ccd3699983645f54cafd2258514a716b20b8
Advertise client support for the PAPR architected ibm,drc-info device
tree property during CAS handshake.
Fixes: c7a3275e0f9e ("powerpc/pseries: Revert support for ibm,drc-info devtree property")
Signed-off-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1573449697-5448-11-git-send-email-tyreld@linux.ibm.com
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
arch/powerpc/kernel/prom_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 90987db10974..577345382b23 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1065,7 +1065,7 @@ static const struct ibm_arch_vec ibm_architecture_vec_template __initconst = {
.reserved2 = 0,
.reserved3 = 0,
.subprocessors = 1,
- .byte22 = OV5_FEAT(OV5_DRMEM_V2),
+ .byte22 = OV5_FEAT(OV5_DRMEM_V2) | OV5_FEAT(OV5_DRC_INFO),
.intarch = 0,
.mmu = 0,
.hash_ext = 0,
--
2.23.0