From 5024622f583eb242ed8040d0b9d1e0d2458d1db8 Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@idt.com>
Date: Tue, 22 Mar 2016 14:26:38 -0700
Subject: rapidio: move rio_local_set_device_id function to the common core

Make function rio_local_set_device_id() common for all components of
RapidIO subsystem.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rapidio/rio.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'drivers/rapidio/rio.c')

diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c
index e42f97e9e62a..095801c4d239 100644
--- a/drivers/rapidio/rio.c
+++ b/drivers/rapidio/rio.c
@@ -137,6 +137,20 @@ void rio_free_net(struct rio_net *net)
 }
 EXPORT_SYMBOL_GPL(rio_free_net);
 
+/**
+ * rio_local_set_device_id - Set the base/extended device id for a port
+ * @port: RIO master port
+ * @did: Device ID value to be written
+ *
+ * Writes the base/extended device id from a device.
+ */
+void rio_local_set_device_id(struct rio_mport *port, u16 did)
+{
+	rio_local_write_config_32(port, RIO_DID_CSR,
+				  RIO_SET_DID(port->sys_size, did));
+}
+EXPORT_SYMBOL_GPL(rio_local_set_device_id);
+
 /**
  * rio_add_device- Adds a RIO device to the device model
  * @rdev: RIO device
-- 
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