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path: root/drivers/thunderbolt/eeprom.c
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Diffstat (limited to 'drivers/thunderbolt/eeprom.c')
-rw-r--r--drivers/thunderbolt/eeprom.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index e2c1f8a45522..5c7d80a109b1 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -295,25 +295,13 @@ int tb_drom_read_uid_only(struct tb_switch *sw, u64 *uid)
return 0;
}
-static void tb_drom_parse_port_entry(struct tb_port *port,
- struct tb_drom_entry_port *entry)
-{
- port->link_nr = entry->link_nr;
- if (entry->has_dual_link_port)
- port->dual_link_port =
- &port->sw->ports[entry->dual_link_port_nr];
-}
-
-static int tb_drom_parse_entry(struct tb_switch *sw,
- struct tb_drom_entry_header *header)
+static int tb_drom_parse_entry_port(struct tb_switch *sw,
+ struct tb_drom_entry_header *header)
{
struct tb_port *port;
int res;
enum tb_port_type type;
- if (header->type != TB_DROM_ENTRY_PORT)
- return 0;
-
port = &sw->ports[header->index];
port->disabled = header->port_disabled;
if (port->disabled)
@@ -332,7 +320,10 @@ static int tb_drom_parse_entry(struct tb_switch *sw,
header->len, sizeof(struct tb_drom_entry_port));
return -EIO;
}
- tb_drom_parse_port_entry(port, entry);
+ port->link_nr = entry->link_nr;
+ if (entry->has_dual_link_port)
+ port->dual_link_port =
+ &port->sw->ports[entry->dual_link_port_nr];
}
return 0;
}
@@ -347,6 +338,7 @@ static int tb_drom_parse_entries(struct tb_switch *sw)
struct tb_drom_header *header = (void *) sw->drom;
u16 pos = sizeof(*header);
u16 drom_size = header->data_len + TB_DROM_DATA_START;
+ int res;
while (pos < drom_size) {
struct tb_drom_entry_header *entry = (void *) (sw->drom + pos);
@@ -356,7 +348,15 @@ static int tb_drom_parse_entries(struct tb_switch *sw)
return -EIO;
}
- tb_drom_parse_entry(sw, entry);
+ switch (entry->type) {
+ case TB_DROM_ENTRY_GENERIC:
+ break;
+ case TB_DROM_ENTRY_PORT:
+ res = tb_drom_parse_entry_port(sw, entry);
+ break;
+ }
+ if (res)
+ return res;
pos += entry->len;
}