[PATCH v3 1/2] net/ark: limited support for secondary processes

[Ed Czeck]

From: John Miller <john.miller at atomicrules.com>

disable fpga device configuration for secondary processes.
This is minimum support to avoid unneeded fpga resets

Signed-off-by: John Miller <john.miller at atomicrules.com>
Signed-off-by: Ed Czeck <ed.czeck at atomicrules.com>
---
v2:
* Use standard logging
v3:
* clarify limits on secondary process support
---
 drivers/net/ark/ark_ethdev.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ark/ark_ethdev.c b/drivers/net/ark/ark_ethdev.c
index b2995427c8..785bb386d7 100644
--- a/drivers/net/ark/ark_ethdev.c
+++ b/drivers/net/ark/ark_ethdev.c
@@ -147,6 +147,9 @@ eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 	struct rte_eth_dev *eth_dev;
 	int ret;
 
+	if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+		ARK_PMD_LOG(INFO, "ARK probed by secondary process\n");
+
 	eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter));
 
 	if (eth_dev == NULL)
@@ -385,9 +388,11 @@ eth_ark_dev_init(struct rte_eth_dev *dev)
 		    0xcafef00d, ark->sysctrl.t32[4], __func__);
 
 	/* We are a single function multi-port device. */
-	ret = ark_config_device(dev);
-	if (ret)
-		return -1;
+	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+		ret = ark_config_device(dev);
+		if (ret)
+			return -1;
+	}
 
 	dev->dev_ops = &ark_eth_dev_ops;
 	dev->rx_queue_count = eth_ark_dev_rx_queue_count;
-- 
2.34.1