From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Date: Wed, 23 Oct 2019 12:08:43 +0300
Subject: fsl/fman: add API to get the device behind a fman port

Git-commit: 681e38380c79e6ed00232385a613b2216dc23d22
Patch-mainline: v5.5-rc1
References: bsc#1174550

Add an API that retrieves the 'struct device' that the specified FMan
port probed against. The new API will be used in a subsequent patch
that corrects the DMA devices used by the dpaa_eth driver.

Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/net/ethernet/freescale/fman/fman_port.c | 14 ++++++++++++++
 drivers/net/ethernet/freescale/fman/fman_port.h |  2 ++
 2 files changed, 16 insertions(+)

diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
index ee82ee1384eb..bd76c9730692 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.c
+++ b/drivers/net/ethernet/freescale/fman/fman_port.c
@@ -1728,6 +1728,20 @@ u32 fman_port_get_qman_channel_id(struct fman_port *port)
 }
 EXPORT_SYMBOL(fman_port_get_qman_channel_id);
 
+/**
+ * fman_port_get_device
+ * port:	Pointer to the FMan port device
+ *
+ * Get the 'struct device' associated to the specified FMan port device
+ *
+ * Return: pointer to associated 'struct device'
+ */
+struct device *fman_port_get_device(struct fman_port *port)
+{
+	return port->dev;
+}
+EXPORT_SYMBOL(fman_port_get_device);
+
 int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset)
 {
 	if (port->buffer_offsets.hash_result_offset == ILLEGAL_BASE)
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.h b/drivers/net/ethernet/freescale/fman/fman_port.h
index 9dbb69f40121..82f12661a46d 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.h
+++ b/drivers/net/ethernet/freescale/fman/fman_port.h
@@ -157,4 +157,6 @@ int fman_port_get_tstamp(struct fman_port *port, const void *data, u64 *tstamp);
 
 struct fman_port *fman_port_bind(struct device *dev);
 
+struct device *fman_port_get_device(struct fman_port *port);
+
 #endif /* __FMAN_PORT_H */
-- 
2.26.2