tile: make "tile_net.custom" a proper bool module parameter

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/tile/tilegx.c

@@ -256,11 +256,11 @@ static char *network_cpus_string;
 /* The actual cpus in "network_cpus". */
 static struct cpumask network_cpus_map;
 
-/* If "loopify=LINK" was specified, this is "LINK". */
+/* If "tile_net.loopify=LINK" was specified, this is "LINK". */
 static char *loopify_link_name;
 
-/* If "tile_net.custom" was specified, this is non-NULL. */
-static char *custom_str;
+/* If "tile_net.custom" was specified, this is true. */
+static bool custom_flag;
 
 /* If "tile_net.jumbo=NUM" was specified, this is "NUM". */
 static uint jumbo_num;
@@ -323,7 +323,7 @@ MODULE_PARM_DESC(loopify, "name the device to use loop0/1 for ingress/egress");
 /* The "tile_net.custom" argument causes us to ignore the "conventional"
  * classifier metadata, in particular, the "l2_offset".
  */
-module_param_named(custom, custom_str, charp, 0444);
+module_param_named(custom, custom_flag, bool, 0444);
 MODULE_PARM_DESC(custom, "indicates a (heavily) customized classifier");
 
 /* The "tile_net.jumbo" argument causes us to support "jumbo" packets,
@@ -501,7 +501,7 @@ static bool tile_net_handle_packet(int instance, gxio_mpipe_idesc_t *idesc)
 	}
 
 	/* Get the "l2_offset", if allowed. */
-	l2_offset = custom_str ? 0 : gxio_mpipe_idesc_get_l2_offset(idesc);
+	l2_offset = custom_flag ? 0 : gxio_mpipe_idesc_get_l2_offset(idesc);
 
 	/* Get the VA (including NET_IP_ALIGN bytes of "headroom"). */
 	va = tile_io_addr_to_va((unsigned long)idesc->va);