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path: root/drivers/pci/hotplug/rpaphp_core.c
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Diffstat (limited to 'drivers/pci/hotplug/rpaphp_core.c')
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/pci/hotplug/rpaphp_core.c b/drivers/pci/hotplug/rpaphp_core.c
index c3899ee1db99..3e9e7b121c27 100644
--- a/drivers/pci/hotplug/rpaphp_core.c
+++ b/drivers/pci/hotplug/rpaphp_core.c
@@ -154,11 +154,11 @@ static enum pci_bus_speed get_max_bus_speed(struct slot *slot)
return speed;
}
-static int get_children_props(struct device_node *dn, const int **drc_indexes,
- const int **drc_names, const int **drc_types,
- const int **drc_power_domains)
+static int get_children_props(struct device_node *dn, const __be32 **drc_indexes,
+ const __be32 **drc_names, const __be32 **drc_types,
+ const __be32 **drc_power_domains)
{
- const int *indexes, *names, *types, *domains;
+ const __be32 *indexes, *names, *types, *domains;
indexes = of_get_property(dn, "ibm,drc-indexes", NULL);
names = of_get_property(dn, "ibm,drc-names", NULL);
@@ -194,8 +194,8 @@ static int rpaphp_check_drc_props_v1(struct device_node *dn, char *drc_name,
char *drc_type, unsigned int my_index)
{
char *name_tmp, *type_tmp;
- const int *indexes, *names;
- const int *types, *domains;
+ const __be32 *indexes, *names;
+ const __be32 *types, *domains;
int i, rc;
rc = get_children_props(dn->parent, &indexes, &names, &types, &domains);
@@ -208,7 +208,7 @@ static int rpaphp_check_drc_props_v1(struct device_node *dn, char *drc_name,
/* Iterate through parent properties, looking for my-drc-index */
for (i = 0; i < be32_to_cpu(indexes[0]); i++) {
- if ((unsigned int) indexes[i + 1] == my_index)
+ if (be32_to_cpu(indexes[i + 1]) == my_index)
break;
name_tmp += (strlen(name_tmp) + 1);
@@ -239,6 +239,8 @@ static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name,
value = of_prop_next_u32(info, NULL, &entries);
if (!value)
return -EINVAL;
+ else
+ value++;
for (j = 0; j < entries; j++) {
of_read_drc_info_cell(&info, &value, &drc);
@@ -246,9 +248,10 @@ static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name,
/* Should now know end of current entry */
/* Found it */
- if (my_index <= drc.last_drc_index) {
+ if (my_index >= drc.drc_index_start && my_index <= drc.last_drc_index) {
+ int index = my_index - drc.drc_index_start;
sprintf(cell_drc_name, "%s%d", drc.drc_name_prefix,
- my_index);
+ drc.drc_name_suffix_start + index);
break;
}
}
@@ -265,7 +268,7 @@ static int rpaphp_check_drc_props_v2(struct device_node *dn, char *drc_name,
int rpaphp_check_drc_props(struct device_node *dn, char *drc_name,
char *drc_type)
{
- const unsigned int *my_index;
+ const __be32 *my_index;
my_index = of_get_property(dn, "ibm,my-drc-index", NULL);
if (!my_index) {
@@ -273,12 +276,12 @@ int rpaphp_check_drc_props(struct device_node *dn, char *drc_name,
return -EINVAL;
}
- if (firmware_has_feature(FW_FEATURE_DRC_INFO))
+ if (of_find_property(dn->parent, "ibm,drc-info", NULL))
return rpaphp_check_drc_props_v2(dn, drc_name, drc_type,
- *my_index);
+ be32_to_cpu(*my_index));
else
return rpaphp_check_drc_props_v1(dn, drc_name, drc_type,
- *my_index);
+ be32_to_cpu(*my_index));
}
EXPORT_SYMBOL_GPL(rpaphp_check_drc_props);
@@ -309,10 +312,11 @@ static int is_php_type(char *drc_type)
* for built-in pci slots (even when the built-in slots are
* dlparable.)
*/
-static int is_php_dn(struct device_node *dn, const int **indexes,
- const int **names, const int **types, const int **power_domains)
+static int is_php_dn(struct device_node *dn, const __be32 **indexes,
+ const __be32 **names, const __be32 **types,
+ const __be32 **power_domains)
{
- const int *drc_types;
+ const __be32 *drc_types;
int rc;
rc = get_children_props(dn, indexes, names, &drc_types, power_domains);
@@ -347,7 +351,7 @@ int rpaphp_add_slot(struct device_node *dn)
struct slot *slot;
int retval = 0;
int i;
- const int *indexes, *names, *types, *power_domains;
+ const __be32 *indexes, *names, *types, *power_domains;
char *name, *type;
if (!dn->name || strcmp(dn->name, "pci"))