dsa: mv88e6171: Add support for mv88e6172

The mv88e6172 is very similar to the mv88e6171.  So extend the
mv88e6171 driver to support it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 7 insertions, 4 deletions

diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig
index 2d1a55e980da..7cf8f4ac281f 100644
--- a/drivers/net/dsa/Kconfig
+++ b/drivers/net/dsa/Kconfig
@@ -37,13 +37,13 @@ config NET_DSA_MV88E6123_61_65
           ethernet switch chips.
 
 config NET_DSA_MV88E6171
-        tristate "Marvell 88E6171 ethernet switch chip support"
+        tristate "Marvell 88E6171/6172 ethernet switch chip support"
         select NET_DSA
         select NET_DSA_MV88E6XXX
         select NET_DSA_TAG_EDSA
         ---help---
-          This enables support for the Marvell 88E6171 ethernet switch
-          chip.
+          This enables support for the Marvell 88E6171/6172 ethernet switch
+          chips.
 
 config NET_DSA_MV88E6352
         tristate "Marvell 88E6176/88E6352 ethernet switch chip support"
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index 78d8e876f3aa..537eeedece21 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -1,4 +1,4 @@
-/* net/dsa/mv88e6171.c - Marvell 88e6171 switch chip support
+/* net/dsa/mv88e6171.c - Marvell 88e6171/8826172 switch chip support
  * Copyright (c) 2008-2009 Marvell Semiconductor
  * Copyright (c) 2014 Claudio Leite <leitec@staticky.com>
  *
@@ -29,6 +29,8 @@ static char *mv88e6171_probe(struct device *host_dev, int sw_addr)
         if (ret >= 0) {
                 if ((ret & 0xfff0) == 0x1710)
                         return "Marvell 88E6171";
+                if ((ret & 0xfff0) == 0x1720)
+                        return "Marvell 88E6172";
         }
 
         return NULL;
@@ -409,3 +411,4 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
 };
 
 MODULE_ALIAS("platform:mv88e6171");
+MODULE_ALIAS("platform:mv88e6172");