From a93e464a45827cbbbfc89183cf4a769b18f31535 Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Wed, 29 Oct 2014 10:44:55 -0700 Subject: [PATCH] net: dsa: Report known silicon revisions for Marvell 88E6131 Report known silicon revisions when probing Marvell 88E6131 switches. Signed-off-by: Guenter Roeck Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6131.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c index 244c735014fa..1230f52aa70e 100644 --- a/drivers/net/dsa/mv88e6131.c +++ b/drivers/net/dsa/mv88e6131.c @@ -21,6 +21,7 @@ #define ID_6085 0x04a0 #define ID_6095 0x0950 #define ID_6131 0x1060 +#define ID_6131_B2 0x1066 static char *mv88e6131_probe(struct device *host_dev, int sw_addr) { @@ -32,12 +33,15 @@ static char *mv88e6131_probe(struct device *host_dev, int sw_addr) ret = __mv88e6xxx_reg_read(bus, sw_addr, REG_PORT(0), 0x03); if (ret >= 0) { - ret &= 0xfff0; - if (ret == ID_6085) + int ret_masked = ret & 0xfff0; + + if (ret_masked == ID_6085) return "Marvell 88E6085"; - if (ret == ID_6095) + if (ret_masked == ID_6095) return "Marvell 88E6095/88E6095F"; - if (ret == ID_6131) + if (ret == ID_6131_B2) + return "Marvell 88E6131 (B2)"; + if (ret_masked == ID_6131) return "Marvell 88E6131"; } -- 2.20.1