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Commit f37500d3 authored by Matt Carlson's avatar Matt Carlson Committed by David S. Miller
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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: default avatarBenjamin Li <benli@broadcom.com>
Reviewed-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarMatt Carlson <mcarlson@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 88075d91

drivers/net/tg3.c

+4 −1
Original line number Diff line number Diff line
@@ -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 */