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Commit 355ec572 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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[PATCH] skge: goto low power mode on shutdown 



Go into power down mode on shutdown.

Signed-off-by: default avatarStephen Hemminger <shemminger@osdl.org>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 2cd8e5d3

drivers/net/skge.c

+20 −8
Original line number Diff line number Diff line
@@ -1804,6 +1804,25 @@ static void yukon_mac_init(struct skge_hw *hw, int port) 
	skge_write16(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_OPER_ON);

}



/* Go into power down mode */

static void yukon_suspend(struct skge_hw *hw, int port)

{

	u16 ctrl;



	ctrl = gm_phy_read(hw, port, PHY_MARV_PHY_CTRL);

	ctrl |= PHY_M_PC_POL_R_DIS;

	gm_phy_write(hw, port, PHY_MARV_PHY_CTRL, ctrl);



	ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);

	ctrl |= PHY_CT_RESET;

	gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);



	/* switch IEEE compatible power down mode on */

	ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);

	ctrl |= PHY_CT_PDOWN;

	gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);

}



static void yukon_stop(struct skge_port *skge)

{

	struct skge_hw *hw = skge->hw;
@@ -1817,14 +1836,7 @@ static void yukon_stop(struct skge_port *skge) 
			 & ~(GM_GPCR_TX_ENA|GM_GPCR_RX_ENA));

	gma_read16(hw, port, GM_GP_CTRL);



	if (hw->chip_id == CHIP_ID_YUKON_LITE &&

	    hw->chip_rev >= CHIP_REV_YU_LITE_A3) {

		u32 io = skge_read32(hw, B2_GP_IO);



		io |= GP_DIR_9 | GP_IO_9;

		skge_write32(hw, B2_GP_IO, io);

		skge_read32(hw, B2_GP_IO);

	}

	yukon_suspend(hw, port);



	/* set GPHY Control reset */

	skge_write8(hw, SK_REG(port, GPHY_CTRL), GPC_RST_SET);