drivers/rapidio/rio-scan.c: use discovered bit to test if enumeration is complete

The discovered bit in PGCCSR register indicates if the device has been
discovered by system host.  In Rapidio systems, some agent devices can also
be master devices.  They can issue requests into the system.

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Acked-by: Alexandre Bounine <alexandre.bounine@idt.com>
Signed-off-by: Andrew Morton <>

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index ebe77dd87dafb8c2fe9253c7ca2b38304838173f..0914f49b0a5344721055c282c0135899701b6317 100644 (file)
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -923,7 +923,7 @@ static int __devinit rio_enum_peer(struct rio_net *net, struct rio_mport *port,
  * rio_enum_complete- Tests if enumeration of a network is complete
  * @port: Master port to send transaction
  *
- * Tests the Component Tag CSR for non-zero value (enumeration
+ * Tests the PGCCSR discovered bit for non-zero value (enumeration
  * complete flag). Return %1 if enumeration is complete or %0 if
  * enumeration is incomplete.
  */
@@ -933,7 +933,7 @@ static int rio_enum_complete(struct rio_mport *port)
 
        rio_local_read_config_32(port, port->phys_efptr + RIO_PORT_GEN_CTL_CSR,
                                 &regval);
-       return (regval & RIO_PORT_GEN_MASTER) ? 1 : 0;
+       return (regval & RIO_PORT_GEN_DISCOVERED) ? 1 : 0;
 }
 
 /**