[PATCH 5.4 020/102] powerpc/pseries: Enable support for ibm,drc-info property

[Greg Kroah-Hartman]

From: Tyrel Datwyler <tyreld@xxxxxxxxxxxxx>

commit 0a87ccd3699983645f54cafd2258514a716b20b8 upstream.

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@xxxxxxxxxxxxx>
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1573449697-5448-11-git-send-email-tyreld@xxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 arch/powerpc/kernel/prom_init.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -1053,7 +1053,7 @@ static const struct ibm_arch_vec ibm_arc
 		.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,