netdev - [PATCH net-next 09/10] tg3: Bypass power source switching for 57765

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Date:	Wed, 20 Jan 2010 18:58:10 -0800
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	davem@...emloft.net
cc:	netdev@...r.kernel.org, andy@...yhouse.net,
	"Matt Carlson" <mcarlson@...adcom.com>
Subject: [PATCH net-next 09/10] tg3: Bypass power source switching for
 57765

The 57765 repurposes all the GPIOs normally used to switch power sources
when configured as a NIC device.  This patch changes the code to avoid
touching the GPIOs for this asic rev.

Signed-off-by: Matt Carlson <mcarlson@...adcom.com>
Reviewed-by: Michael Chan <mchan@...adcom.com>
Reviewed-by: Benjamin Li <benli@...adcom.com>
---
 drivers/net/tg3.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 075d21a..7810202 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -2021,7 +2021,9 @@ static void tg3_frob_aux_power(struct tg3 *tp)
 {
 	struct tg3 *tp_peer = tp;
 
-	if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0)
+	/* The GPIOs do something completely different on 57765. */
+	if ((tp->tg3_flags2 & TG3_FLG2_IS_NIC) == 0 ||
+	    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_57765)
 		return;
 
 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704 ||
-- 
1.6.4.4


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