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sky2: remove unneede workaround 

This workaround is not needed. It was inherited from sk98lin driver but only
applies to an early development version of the chip that is not supported
by sky2.  The workaround required an unnecessary pci read which hurts performance

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2009-02-03 11:27:27 +00:00 committed by David S. Miller
parent 1725d409ca
commit 1bd68c0485
1 changed files with 0 additions and 7 deletions
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7
drivers/net/sky2.c
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@ -2687,13 +2687,6 @@ static int sky2_poll(struct napi_struct *napi, int work_limit)
goto done; goto done;
} }
/* Bug/Errata workaround?
* Need to kick the TX irq moderation timer.
*/
if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) {
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP);
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START);
}
napi_complete(napi); napi_complete(napi);
sky2_read32(hw, B0_Y2_SP_LISR); sky2_read32(hw, B0_Y2_SP_LISR);
done: done: