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Commit 4e996b32 authored by Thomas Klein's avatar Thomas Klein Committed by Jeff Garzik
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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instead of using the possibly outdated value from the hypervisor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: default avatarThomas Klein <tklein@de.ibm.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent e919b593

drivers/net/ehea/ehea_main.c

+14 −1
Original line number Diff line number Diff line
@@ -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;