eal: allow probing a device again

[dpdk.git] / drivers / bus / ifpga / ifpga_bus.c

diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
index 2ca1efa..5f23ed8 100644 (file)
--- a/drivers/bus/ifpga/ifpga_bus.c
+++ b/drivers/bus/ifpga/ifpga_bus.c
@@ -301,8 +301,11 @@ ifpga_probe_all_drivers(struct rte_afu_device *afu_dev)
                return -1;
 
        /* Check if a driver is already loaded */
-       if (rte_dev_is_probed(&afu_dev->device))
-               return 0;
+       if (rte_dev_is_probed(&afu_dev->device)) {
+               IFPGA_BUS_DEBUG("Device %s is already probed\n",
+                               rte_ifpga_device_name(afu_dev));
+               return -EEXIST;
+       }
 
        TAILQ_FOREACH(drv, &ifpga_afu_drv_list, next) {
                if (ifpga_probe_one_driver(drv, afu_dev)) {
@@ -325,14 +328,13 @@ ifpga_probe(void)
        int ret = 0;
 
        TAILQ_FOREACH(afu_dev, &ifpga_afu_dev_list, next) {
-               if (rte_dev_is_probed(&afu_dev->device))
-                       continue;
-
                ret = ifpga_probe_all_drivers(afu_dev);
+               if (ret == -EEXIST)
+                       continue;
                if (ret < 0)
                        IFPGA_BUS_ERR("failed to initialize %s device\n",
                                rte_ifpga_device_name(afu_dev));
-               }
+       }
 
        return ret;
 }