[Skiboot] [PATCH 1/6] phb4: Remove stable retries

[Michael Neuling]

This code was never used (since retries is set to 0), it's not very
useful and it makes the code harder to read. So lets just remove it.

Signed-off-by: Michael Neuling <mikey at neuling.org>
---
 hw/phb4.c          | 7 -------
 include/pci-slot.h | 1 -
 include/phb4.h     | 1 -
 3 files changed, 9 deletions(-)

diff --git a/hw/phb4.c b/hw/phb4.c
index 1e148e0b5f..a40db68d2e 100644
--- a/hw/phb4.c
+++ b/hw/phb4.c
@@ -2455,7 +2455,6 @@ static int64_t phb4_poll_link(struct pci_slot *slot)
 			PHBDBG(p, "LINK: Link is up\n");
 			phb4_prepare_link_change(slot, true);
 			pci_slot_set_state(slot, PHB4_SLOT_LINK_STABLE);
-			slot->stable_retries = PHB4_LINK_STABLE_RETRIES;
 			return pci_slot_set_sm_timeout(slot, secs_to_tb(1));
 		}
 
@@ -2479,12 +2478,6 @@ static int64_t phb4_poll_link(struct pci_slot *slot)
 		}
 		if (reg & PHB_PCIE_DLP_TL_LINKACT) {
 			PHBDBG(p, "LINK: Link is stable\n");
-			if (slot->stable_retries--) {
-				PHBDBG(p, "LINK: Doing retry: %lli\n",
-				       slot->stable_retries);
-				return pci_slot_set_sm_timeout(slot, secs_to_tb(1));
-			}
-
 			pci_slot_set_state(slot, PHB4_SLOT_NORMAL);
 			return OPAL_SUCCESS;
 		}
diff --git a/include/pci-slot.h b/include/pci-slot.h
index 5cc54f8371..479bc08cc0 100644
--- a/include/pci-slot.h
+++ b/include/pci-slot.h
@@ -185,7 +185,6 @@ struct pci_slot {
 	uint64_t		delay_tgt_tb;
 	uint64_t		retries;
 	uint64_t		link_retries;
-	uint64_t		stable_retries;
 	struct pci_slot_ops	ops;
 	void			*data;
 };
diff --git a/include/phb4.h b/include/phb4.h
index eb292cde16..503d3f1467 100644
--- a/include/phb4.h
+++ b/include/phb4.h
@@ -217,7 +217,6 @@ struct phb4_err {
 /* Link timeouts, increments of 10ms */
 #define PHB4_LINK_ELECTRICAL_RETRIES	100
 #define PHB4_LINK_WAIT_RETRIES		200
-#define PHB4_LINK_STABLE_RETRIES	0
 
 /* PHB4 flags */
 #define PHB4_AIB_FENCED		0x00000001
-- 
2.11.0