[dpdk-dev] [DPDK] /driver/bus/ifpga: users do not have to input afu_bts in cmdline

[AndyPei <andy.pei@intel.com>]

Original driver requires users to input "afu_bts" args.
After apply this patch, driver can also work without a
"afu_bts" args explicitly in the cmdline.

fixes: 05fa3d4a6539
cc: rosen.xu@intel.com
cc: tianfei.zhang@intel.com
cc: andy.pei@intel.com

Signed-off-by: AndyPei <andy.pei@intel.com>
---
 drivers/bus/ifpga/ifpga_bus.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/bus/ifpga/ifpga_bus.c b/drivers/bus/ifpga/ifpga_bus.c
index 5f23ed8..e4b7b6f 100644
--- a/drivers/bus/ifpga/ifpga_bus.c
+++ b/drivers/bus/ifpga/ifpga_bus.c
@@ -125,15 +125,13 @@ void rte_ifpga_driver_unregister(struct rte_afu_driver *driver)
 				     IFPGA_AFU_BTS);
 			goto end;
 		}
+		afu_pr_conf.pr_enable = 1;
 	} else {
-		IFPGA_BUS_ERR("arg %s is mandatory for ifpga bus",
-			  IFPGA_AFU_BTS);
-		goto end;
+		afu_pr_conf.pr_enable = 0;
 	}
 
 	afu_pr_conf.afu_id.uuid.uuid_low = 0;
 	afu_pr_conf.afu_id.uuid.uuid_high = 0;
-	afu_pr_conf.pr_enable = path?1:0;
 
 	if (ifpga_find_afu_dev(rawdev, &afu_pr_conf.afu_id))
 		goto end;
-- 
1.8.3.1