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Subject[PATCH v3 03/15] net: dsa: Report known silicon revisions for Marvell 88E6131
Date
Report known silicon revisions when probing Marvell 88E6131 switches.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v3:
- No change
v2:
- No change

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 244c735..1230f52 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";
}

--
1.9.1


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