diff mbox series

[11/17] ppc/pnv: change pnv_phb4_get_pec() to also retrieve chip10->pecs

Message ID 20220507190624.507419-12-danielhb413@gmail.com (mailing list archive)
State New, archived
Headers show
Series powernv: introduce pnv-phb unified devices | expand

Commit Message

Daniel Henrique Barboza May 7, 2022, 7:06 p.m. UTC
The function assumes that we're always dealing with a PNV9_CHIP()
object. This is not the case when the pnv-phb device belongs to a
powernv10 machine.

Change pnv_phb4_get_pec() to be able to work with PNV10_CHIP() if
necessary.

Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
---
 hw/pci-host/pnv_phb4.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/hw/pci-host/pnv_phb4.c b/hw/pci-host/pnv_phb4.c
index 262251ebcf..f911957f10 100644
--- a/hw/pci-host/pnv_phb4.c
+++ b/hw/pci-host/pnv_phb4.c
@@ -1547,17 +1547,29 @@  void pnv_phb4_instance_init(Object *obj)
 static PnvPhb4PecState *pnv_phb4_get_pec(PnvChip *chip, PnvPHB *phb,
                                          Error **errp)
 {
-    Pnv9Chip *chip9 = PNV9_CHIP(chip);
+    PnvPhb4PecState *pecs = NULL;
     int chip_id = phb->chip_id;
     int index = phb->phb_id;
     int i, j;
 
+    if (phb->version == PHB_VERSION_4) {
+        Pnv9Chip *chip9 = PNV9_CHIP(chip);
+
+        pecs = chip9->pecs;
+    } else if (phb->version == PHB_VERSION_5) {
+        Pnv10Chip *chip10 = PNV10_CHIP(chip);
+
+        pecs = chip10->pecs;
+    } else {
+        return NULL;
+    }
+
     for (i = 0; i < chip->num_pecs; i++) {
         /*
          * For each PEC, check the amount of phbs it supports
          * and see if the given phb4 index matches an index.
          */
-        PnvPhb4PecState *pec = &chip9->pecs[i];
+        PnvPhb4PecState *pec = &pecs[i];
 
         for (j = 0; j < pec->num_phbs; j++) {
             if (index == pnv_phb4_pec_get_phb_id(pec, j)) {