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| author | Gavin Shan <gwshan@linux.vnet.ibm.com> | 2016-10-20 14:17:18 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2016-10-24 12:17:43 +1100 |
| commit | 0074e3d9446e7174a2bff8562241f5cb9eee547e (patch) | |
| tree | 1dfcc9e2519aea4d21d78e83d86d6581f9aa9b56 /hw/phb4.c | |
| parent | 18d590eee08be63b5971a4e2a80d571c86b3a305 (diff) | |
| download | skiboot-0074e3d9446e7174a2bff8562241f5cb9eee547e.zip skiboot-0074e3d9446e7174a2bff8562241f5cb9eee547e.tar.gz skiboot-0074e3d9446e7174a2bff8562241f5cb9eee547e.tar.bz2 | |
pci: Remove obsoleted PCI slot pfreset() operation
PCI slot pfreset() operation is obsoleted as nobody uses it. This
removes it and the related PCI slot states. No functional changes
introduced.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Russell Currey <ruscur@russell.cc>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw/phb4.c')
| -rw-r--r-- | hw/phb4.c | 31 |
1 files changed, 15 insertions, 16 deletions
@@ -1901,7 +1901,7 @@ static int64_t phb4_hreset(struct pci_slot *slot) return OPAL_HARDWARE; } -static int64_t phb4_pfreset(struct pci_slot *slot) +static int64_t phb4_freset(struct pci_slot *slot) { struct phb4 *p = phb_to_phb4(slot->phb); uint8_t presence = 1; @@ -1909,48 +1909,48 @@ static int64_t phb4_pfreset(struct pci_slot *slot) switch(slot->state) { case PHB4_SLOT_NORMAL: - PHBDBG(p, "PFRESET: Starts\n"); + PHBDBG(p, "FRESET: Starts\n"); /* Nothing to do without adapter connected */ if (slot->ops.get_presence_state) slot->ops.get_presence_state(slot, &presence); if (!presence) { - PHBDBG(p, "PFRESET: No device\n"); + PHBDBG(p, "FRESET: No device\n"); return OPAL_SUCCESS; } - PHBDBG(p, "PFRESET: Prepare for link down\n"); - slot->retry_state = PHB4_SLOT_PFRESET_START; + PHBDBG(p, "FRESET: Prepare for link down\n"); + slot->retry_state = PHB4_SLOT_FRESET_START; if (slot->ops.prepare_link_change) slot->ops.prepare_link_change(slot, false); /* fall through */ - case PHB4_SLOT_PFRESET_START: + case PHB4_SLOT_FRESET_START: if (!p->skip_perst) { - PHBDBG(p, "PFRESET: Assert\n"); + 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, - PHB4_SLOT_PFRESET_ASSERT_DELAY); + PHB4_SLOT_FRESET_ASSERT_DELAY); return pci_slot_set_sm_timeout(slot, secs_to_tb(1)); } /* To skip the assert during boot time */ - PHBDBG(p, "PFRESET: Assert skipped\n"); - pci_slot_set_state(slot, PHB4_SLOT_PFRESET_ASSERT_DELAY); + PHBDBG(p, "FRESET: Assert skipped\n"); + pci_slot_set_state(slot, PHB4_SLOT_FRESET_ASSERT_DELAY); p->skip_perst = false; /* fall through */ - case PHB4_SLOT_PFRESET_ASSERT_DELAY: - PHBDBG(p, "PFRESET: Deassert\n"); + case PHB4_SLOT_FRESET_ASSERT_DELAY: + PHBDBG(p, "FRESET: Deassert\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, - PHB4_SLOT_PFRESET_DEASSERT_DELAY); + PHB4_SLOT_FRESET_DEASSERT_DELAY); /* CAPP FPGA requires 1s to flash before polling link */ return pci_slot_set_sm_timeout(slot, secs_to_tb(1)); - case PHB4_SLOT_PFRESET_DEASSERT_DELAY: + case PHB4_SLOT_FRESET_DEASSERT_DELAY: pci_slot_set_state(slot, PHB4_SLOT_LINK_START); return slot->ops.poll_link(slot); default: @@ -2035,8 +2035,7 @@ static struct pci_slot *phb4_slot_create(struct phb *phb) slot->ops.prepare_link_change = phb4_prepare_link_change; slot->ops.poll_link = phb4_poll_link; slot->ops.hreset = phb4_hreset; - slot->ops.freset = phb4_pfreset; - slot->ops.pfreset = phb4_pfreset; + slot->ops.freset = phb4_freset; slot->ops.creset = phb4_creset; return slot; |