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tg3: Manage gphy power for CPMU-less devs only

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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 <[email protected]>
Reviewed-by: Michael Chan <[email protected]>
Signed-off-by: Matt Carlson <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Matt Carlson 2010-08-02 11:25:59 +00:00 • committed by David S. Miller
commit f37500d3f6
1 changed files with 4 additions and 1 deletions
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5
drivers/net/tg3.c
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@ -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 */