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Commit 6d3105d5 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
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sky2: FE+ Phy initialization 



One more snippet of PHY initialization required for FE+ chips.
Discovered in latest sk98lin 10.21.1.3 driver.

Please apply to 2.6.23.

Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 4942de4a

drivers/net/sky2.c

+10 −0
Original line number Diff line number Diff line
@@ -338,6 +338,16 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) 
		if (!(hw->flags & SKY2_HW_GIGABIT)) {

			/* enable automatic crossover */

			ctrl |= PHY_M_PC_MDI_XMODE(PHY_M_PC_ENA_AUTO) >> 1;



			if (hw->chip_id == CHIP_ID_YUKON_FE_P &&

			    hw->chip_rev == CHIP_REV_YU_FE2_A0) {

				u16 spec;



				/* Enable Class A driver for FE+ A0 */

				spec = gm_phy_read(hw, port, PHY_MARV_FE_SPEC_2);

				spec |= PHY_M_FESC_SEL_CL_A;

				gm_phy_write(hw, port, PHY_MARV_FE_SPEC_2, spec);

			}

		} else {

			/* disable energy detect */

			ctrl &= ~PHY_M_PC_EN_DET_MSK;