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Date: Tue, 21 Jun 2011 07:55:56 -0700 From: Barry Grussling <barry@...ssling.com> To: netdev@...r.kernel.org Cc: buytenh@...tstofly.org, Barry Grussling <barry@...ssling.com> Subject: [PATCH V2 1/1] Allow cascading to work with 6131 chip --- net/dsa/mv88e6131.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c index 45f7411..dc43419 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 -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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