IB/ehca: Make port autodetect mode the default

Make port autodetect mode the default for the ehca driver. The
autodetect code has been in the kernel for several releases now and
has proved to be stable.
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/ehca/ehca_main.c

@@ -52,7 +52,7 @@
 #include "ehca_tools.h"
 #include "hcp_if.h"
 
-#define HCAD_VERSION "0028"
+#define HCAD_VERSION "0029"
 
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
@@ -64,7 +64,7 @@ static int ehca_hw_level      = 0;
 static int ehca_poll_all_eqs  = 1;
 
 int ehca_debug_level   = 0;
-int ehca_nr_ports      = 2;
+int ehca_nr_ports      = -1;
 int ehca_use_hp_mr     = 0;
 int ehca_port_act_time = 30;
 int ehca_static_rate   = -1;
@@ -95,8 +95,8 @@ MODULE_PARM_DESC(hw_level,
 		 "Hardware level (0: autosensing (default), "
 		 "0x10..0x14: eHCA, 0x20..0x23: eHCA2)");
 MODULE_PARM_DESC(nr_ports,
-		 "number of connected ports (-1: autodetect, 1: port one only, "
-		 "2: two ports (default)");
+		 "number of connected ports (-1: autodetect (default), "
+		 "1: port one only, 2: two ports)");
 MODULE_PARM_DESC(use_hp_mr,
 		 "Use high performance MRs (default: no)");
 MODULE_PARM_DESC(port_act_time,