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-rw-r--r--net/dsa/mv88e6131.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index 45f7411e90ba..9bd1061fa4ee 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -118,10 +118,14 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0);
/*
- * Disable cascade port functionality, and set the switch's
+ * Disable cascade port functionality unless this device
+ * is used in a cascade configuration, and set the switch's
* DSA device number.
*/
- REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
+ if (ds->dst->pd->nr_chips > 1)
+ REG_WRITE(REG_GLOBAL, 0x1c, 0xf000 | (ds->index & 0x1f));
+ else
+ REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
/*
* Send all frames with destination addresses matching