forked from luck/tmp_suning_uos_patched
sky2: Move tx reset functionality to sky2_tx_reset()
This is pure refactoring. Signed-off-by: Mike McCormack <mikem@ring3k.org> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1811,6 +1811,31 @@ static void sky2_tx_clean(struct net_device *dev)
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netif_tx_unlock_bh(dev);
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}
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static void sky2_tx_reset(struct sky2_port* sky2)
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{
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unsigned port = sky2->port;
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struct sky2_hw *hw = sky2->hw;
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/* Disable Force Sync bit and Enable Alloc bit */
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sky2_write8(hw, SK_REG(port, TXA_CTRL),
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TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
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/* Stop Interval Timer and Limit Counter of Tx Arbiter */
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sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L);
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sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L);
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/* Reset the PCI FIFO of the async Tx queue */
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sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR),
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BMU_RST_SET | BMU_FIFO_RST);
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/* Reset the Tx prefetch units */
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sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL),
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PREF_UNIT_RST_SET);
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sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
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sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
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}
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/* Network shutdown */
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static int sky2_down(struct net_device *dev)
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{
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@ -1852,26 +1877,9 @@ static int sky2_down(struct net_device *dev)
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&& port == 0 && hw->dev[1] && netif_running(hw->dev[1])))
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sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_RST_SET);
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/* Disable Force Sync bit and Enable Alloc bit */
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sky2_write8(hw, SK_REG(port, TXA_CTRL),
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TXA_DIS_FSYNC | TXA_DIS_ALLOC | TXA_STOP_RC);
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/* Stop Interval Timer and Limit Counter of Tx Arbiter */
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sky2_write32(hw, SK_REG(port, TXA_ITI_INI), 0L);
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sky2_write32(hw, SK_REG(port, TXA_LIM_INI), 0L);
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/* Reset the PCI FIFO of the async Tx queue */
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sky2_write32(hw, Q_ADDR(txqaddr[port], Q_CSR),
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BMU_RST_SET | BMU_FIFO_RST);
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/* Reset the Tx prefetch units */
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sky2_write32(hw, Y2_QADDR(txqaddr[port], PREF_UNIT_CTRL),
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PREF_UNIT_RST_SET);
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sky2_write32(hw, RB_ADDR(txqaddr[port], RB_CTRL), RB_RST_SET);
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sky2_tx_reset(sky2);
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sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
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sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
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/* Force any delayed status interrrupt and NAPI */
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sky2_write32(hw, STAT_LEV_TIMER_CNT, 0);
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