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

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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: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2007-11-27 11:02:07 -08:00 committed by Jeff Garzik
parent 7782c8c4d7
commit e970d1f810
1 changed files with 7 additions and 0 deletions
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7
drivers/net/sky2.c
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@ -845,6 +845,13 @@ static void sky2_mac_init(struct sky2_hw *hw, unsigned 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 */