[Qemu-ppc] [for-2.11 PATCH 19/26] spapr: populate PHB DRC entries for root DT node

[Greg Kurz]

From: Nathan Fontenot <address@hidden>

This add entries to the root OF node to advertise our PHBs as being
DR-capable in accordance with PAPR specification.

Signed-off-by: Nathan Fontenot <address@hidden>
Signed-off-by: Michael Roth <address@hidden>
Reviewed-by: David Gibson <address@hidden>
Signed-off-by: Greg Kurz <address@hidden>
---
Changes since RFC:
- rebased against ppc-for-2.10
- use error_report
---
 hw/ppc/spapr.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 5950c009ab7e..632040f35ecc 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1151,6 +1151,16 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr,
         exit(1);
     }
 
+    if (smc->dr_phb_enabled) {
+        int offset = fdt_path_offset(fdt, "/");
+        ret = spapr_drc_populate_dt(fdt, offset, NULL,
+                                    SPAPR_DR_CONNECTOR_TYPE_PHB);
+        if (ret < 0) {
+            error_report("Couldn't set up PHB DR device tree properties");
+            exit(1);
+        }
+    }
+
     return fdt;
 }