Count OFDT nodes to determine the number of available ports
instead of using the possibly outdated value from the hypervisor
Signed-off-by: Thomas Klein <[email protected]>
---
drivers/net/ehea/ehea_main.c | 15 ++++++++++++++-
1 files changed, 14 insertions(+), 1 deletion(-)
diff -Nurp -X dontdiff linux-2.6.20-rc5/drivers/net/ehea/ehea_main.c patched_kernel/drivers/net/ehea/ehea_main.c
--- linux-2.6.20-rc5/drivers/net/ehea/ehea_main.c 2007-01-19 14:12:31.000000000 +0100
+++ patched_kernel/drivers/net/ehea/ehea_main.c 2007-01-19 14:15:53.000000000 +0100
@@ -2269,6 +2269,8 @@ static void ehea_tx_watchdog(struct net_
int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
{
struct hcp_query_ehea *cb;
+ struct device_node *lhea_dn = NULL;
+ struct device_node *eth_dn = NULL;
u64 hret;
int ret;
@@ -2285,7 +2287,18 @@ int ehea_sense_adapter_attr(struct ehea_
goto out_herr;
}
- adapter->num_ports = cb->num_ports;
+ /* Determine the number of available logical ports
+ * by counting the child nodes of the lhea OFDT entry
+ */
+ adapter->num_ports = 0;
+ lhea_dn = of_find_node_by_name(lhea_dn, "lhea");
+ do {
+ eth_dn = of_get_next_child(lhea_dn, eth_dn);
+ if (eth_dn)
+ adapter->num_ports++;
+ } while ( eth_dn );
+ of_node_put(lhea_dn);
+
adapter->max_mc_mac = cb->max_mc_mac - 1;
ret = 0;