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ehea: New method to determine number of available ports 

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instead of using the possibly outdated value from the hypervisor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 <tklein@de.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Thomas Klein 2007-01-22 12:53:50 +01:00 committed by Jeff Garzik
parent e919b5938b
commit 4e996b32e0
1 changed files with 14 additions and 1 deletions
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15
drivers/net/ehea/ehea_main.c
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@ -2269,6 +2269,8 @@ static void ehea_tx_watchdog(struct net_device *dev)
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_adapter *adapter)
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;