diff options
Diffstat (limited to 'hw/phb4.c')
| -rw-r--r-- | hw/phb4.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -2338,9 +2338,9 @@ static int64_t phb4_freset(struct pci_slot *slot) slot->ops.prepare_link_change(slot, false); /* fall through */ case PHB4_SLOT_FRESET_START: - if (!p->skip_perst) { + reg = in_be64(p->regs + PHB_PCIE_CRESET); + if ((reg & PHB_PCIE_CRESET_PERST_N) != 0) { PHBDBG(p, "FRESET: Assert\n"); - reg = in_be64(p->regs + PHB_PCIE_CRESET); reg &= ~PHB_PCIE_CRESET_PERST_N; out_be64(p->regs + PHB_PCIE_CRESET, reg); pci_slot_set_state(slot, @@ -2348,7 +2348,7 @@ static int64_t phb4_freset(struct pci_slot *slot) return pci_slot_set_sm_timeout(slot, secs_to_tb(1)); } - /* To skip the assert during boot time */ + /* To skip perst assert if already asserted (ie. boot time) */ PHBDBG(p, "FRESET: Assert skipped\n"); pci_slot_set_state(slot, PHB4_SLOT_FRESET_ASSERT_DELAY); p->skip_perst = false; |