# \[PATCH 16/30\] powerpc/fsl\_rio: changes to mport registration

- From: Alexandre Bounine \<hidden\>
- Date: 2016-02-05 23:28:51 
- List: linuxppc-dev
- Page: https://ratatoskr.run/linuxppc-dev/2016/02/4679318

```text
Change mport object initialization/registration sequence to match reworked
version of rio_register_mport() in the core code.

Signed-off-by: Alexandre Bounine <redacted>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Aurelien Jacquiot <redacted>
Cc: Andre van Herk <redacted>
Cc: <redacted>
Cc: <redacted>
---
 arch/powerpc/sysdev/fsl_rio.c |   18 ++++++++++++------
 1 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index c1cd369..385371a 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -606,6 +606,12 @@ int fsl_rio_setup(struct platform_device *dev)
 		if (!port)
 			continue;
 
+		rc = rio_mport_initialize(port);
+		if (rc) {
+			kfree(port);
+			continue;
+		}
+
 		i = *port_index - 1;
 		port->index = (unsigned char)i;
 
@@ -682,12 +688,6 @@ int fsl_rio_setup(struct platform_device *dev)
 		dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
 				port->sys_size ? 65536 : 256);
 
-		if (rio_register_mport(port)) {
-			release_resource(&port->iores);
-			kfree(priv);
-			kfree(port);
-			continue;
-		}
 		if (port->host_deviceid >= 0)
 			out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST |
 				RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED);
@@ -727,6 +727,12 @@ int fsl_rio_setup(struct platform_device *dev)
 
 		dbell->mport[i] = port;
 
+		if (rio_register_mport(port)) {
+			release_resource(&port->iores);
+			kfree(priv);
+			kfree(port);
+			continue;
+		}
 		active_ports++;
 	}
 
-- 
1.7.8.4
```