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sky2: MIB counter overflow handling

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Make sure that if we ever get a MIB counter overflow interrupt (normally
masked off), that the IRQ is cleared.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Stephen Hemminger 2007-05-14 12:38:13 -07:00 committed by Jeff Garzik
parent 3225b91903
commit a3caeada94
1 changed files with 6 additions and 0 deletions
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6
drivers/net/sky2.c
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@ -2345,6 +2345,12 @@ static void sky2_mac_intr(struct sky2_hw *hw, unsigned port)
printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n", printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n",
dev->name, status); dev->name, status);
if (status & GM_IS_RX_CO_OV)
gma_read16(hw, port, GM_RX_IRQ_SRC);
if (status & GM_IS_TX_CO_OV)
gma_read16(hw, port, GM_TX_IRQ_SRC);
if (status & GM_IS_RX_FF_OR) { if (status & GM_IS_RX_FF_OR) {
++sky2->net_stats.rx_fifo_errors; ++sky2->net_stats.rx_fifo_errors;
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO); sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO);