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authorOliver O'Halloran <oohall@gmail.com>2018-04-10 17:29:21 +1000
committerStewart Smith <stewart@linux.ibm.com>2018-04-11 17:59:57 -0500
commitd15e2e5ef92f5e79f90ac06a8a3b848881886005 (patch)
treec0802d1de1c880288e7caa932bca7edee68bee1c /platforms
parentf10feca2b3324270ca3de47aa98d99911cf85a7c (diff)
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slots: Add power limit support
Add support for sourcing power limit information from either the DT slot heirachy or the slot table. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Diffstat (limited to 'platforms')
-rw-r--r--platforms/astbmc/astbmc.h1
-rw-r--r--platforms/astbmc/slots.c5
2 files changed, 6 insertions, 0 deletions
diff --git a/platforms/astbmc/astbmc.h b/platforms/astbmc/astbmc.h
index b61c2dd..fb6c68a 100644
--- a/platforms/astbmc/astbmc.h
+++ b/platforms/astbmc/astbmc.h
@@ -39,6 +39,7 @@ struct slot_table_entry {
uint32_t location;
const char *name;
const struct slot_table_entry *children;
+ uint8_t power_limit;
};
/*
diff --git a/platforms/astbmc/slots.c b/platforms/astbmc/slots.c
index 19b82fd..5c0effd 100644
--- a/platforms/astbmc/slots.c
+++ b/platforms/astbmc/slots.c
@@ -121,6 +121,7 @@ void slot_table_get_slot_info(struct phb *phb, struct pci_device *pd)
slot->pluggable = !!(ent->etype == st_pluggable_slot);
slot->ops.add_properties = slot_table_add_properties;
+ slot->power_limit = ent->power_limit;
slot->data = (void *)ent;
}
@@ -141,6 +142,7 @@ void dt_slot_get_slot_info(struct phb *phb, struct pci_device *pd)
struct dt_node *slot_np;
struct pci_slot *slot;
const char *name = NULL;
+ uint32_t power_limit = 0;
bool pluggable = false;
if (!pd || pd->slot)
@@ -150,6 +152,8 @@ void dt_slot_get_slot_info(struct phb *phb, struct pci_device *pd)
if (slot_np) {
pluggable = dt_has_node_property(slot_np,
"ibm,pluggable", NULL);
+ power_limit = dt_prop_get_u32_def(slot_np,
+ "ibm,power-limit", 0);
name = dt_prop_get_def(slot_np, "ibm,slot-label", NULL);
}
@@ -169,6 +173,7 @@ void dt_slot_get_slot_info(struct phb *phb, struct pci_device *pd)
slot->ops.add_properties = dt_slot_add_properties;
slot->pluggable = pluggable;
+ slot->power_limit = power_limit;
slot->data = (void *)slot_np;
}