[PATCH net-next] net: mdio-mux: add bus name to bus id

[Heiner Kallweit <hkallweit1@gmail.com>]

In case of DT-configured systems it may be hard to identify the PHY
interrupt in the /proc/interrupts output. Therefore add the name to
the id to make clearer that it's about a device on a muxed mdio bus.
In my case:

Now: mdio_mux-0.e40908ff:08
Before: 0.e40908ff:08

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/mdio/mdio-mux.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/mdio/mdio-mux.c b/drivers/net/mdio/mdio-mux.c
index ebd001f0e..a881e3523 100644
--- a/drivers/net/mdio/mdio-mux.c
+++ b/drivers/net/mdio/mdio-mux.c
@@ -168,8 +168,8 @@ int mdio_mux_init(struct device *dev,
 		cb->mii_bus->priv = cb;
 
 		cb->mii_bus->name = "mdio_mux";
-		snprintf(cb->mii_bus->id, MII_BUS_ID_SIZE, "%x.%x",
-			 pb->parent_id, v);
+		snprintf(cb->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x.%x",
+			 cb->mii_bus->name, pb->parent_id, v);
 		cb->mii_bus->parent = dev;
 		cb->mii_bus->read = mdio_mux_read;
 		cb->mii_bus->write = mdio_mux_write;
-- 
2.35.1