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Commit 5129724a authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[TG3]: Power down 5704 serdes transceiver when shutting down. 



Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d7b0a857

drivers/net/tg3.c

+11 −1
Original line number Diff line number Diff line
@@ -1175,8 +1175,18 @@ static void tg3_nvram_unlock(struct tg3 *); 


static void tg3_power_down_phy(struct tg3 *tp)

{

	if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)

	if (tp->tg3_flags2 & TG3_FLG2_PHY_SERDES) {

		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5704) {

			u32 sg_dig_ctrl = tr32(SG_DIG_CTRL);

			u32 serdes_cfg = tr32(MAC_SERDES_CFG);



			sg_dig_ctrl |=

				SG_DIG_USING_HW_AUTONEG | SG_DIG_SOFT_RESET;

			tw32(SG_DIG_CTRL, sg_dig_ctrl);

			tw32(MAC_SERDES_CFG, serdes_cfg | (1 << 15));

		}

		return;

	}



	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {

		u32 val;