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authorMatt Carlson <mcarlson@broadcom.com>2010-08-02 11:25:59 +0000
committerDavid S. Miller <davem@davemloft.net>2010-08-02 15:46:28 -0700
commitf37500d3f66ba82888315838278d56fc27308327 (patch)
treea3b9d7c4a6547d3ac1f3515f33914ae8a617b8f1 /drivers/net/tg3.c
parent88075d915b51d9a17cc7436c868013a3113a849a (diff)
tg3: Manage gphy power for CPMU-less devs only
This patch changes the code to only manage the PCIe gphy power for CPMU-less devices only. The CPMU takes over management for newer chips. Reviewed-by: Benjamin Li <benli@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5d155c50e6e3..38979f24e541 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6948,8 +6948,11 @@ static int tg3_chip_reset(struct tg3 *tp)
tr32(GRC_VCPU_EXT_CTRL) & ~GRC_VCPU_EXT_CTRL_HALT_CPU);
}
- if (tp->tg3_flags2 & TG3_FLG2_5705_PLUS)
+ /* Manage gphy power for all CPMU absent PCIe devices. */
+ if ((tp->tg3_flags2 & TG3_FLG2_5705_PLUS) &&
+ !(tp->tg3_flags & TG3_FLAG_CPMU_PRESENT))
val |= GRC_MISC_CFG_KEEP_GPHY_POWER;
+
tw32(GRC_MISC_CFG, val);
/* restore 5701 hardware bug workaround write method */