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Commit e970d1f8 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
Browse files

sky2: turn of dynamic Tx watermark workaround (FE+ only) 



Add workaround for issues FE+ (A0) transmit watermark.
This is copied verbatim from vendor driver sk98lin (10.22.4.3).
Don't have that chip version and no more information seems to be available.

Signed-off-by: default avatarStephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 7782c8c4

drivers/net/sky2.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -845,6 +845,13 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned port) 
		sky2_set_tx_stfwd(hw, port);

		sky2_set_tx_stfwd(hw, port);

	}

	}





	if (hw->chip_id == CHIP_ID_YUKON_FE_P &&

	    hw->chip_rev == CHIP_REV_YU_FE2_A0) {

		/* disable dynamic watermark */

		reg = sky2_read16(hw, SK_REG(port, TX_GMF_EA));

		reg &= ~TX_DYN_WM_ENA;

		sky2_write16(hw, SK_REG(port, TX_GMF_EA), reg);

	}

}

}





/* Assign Ram Buffer allocation to queue */

/* Assign Ram Buffer allocation to queue */