From: Stephen Hemminger <shemminger@vyatta.com>
Date: Tue, 3 Feb 2009 11:27:27 +0000 (+0000)
Subject: sky2: remove unneede workaround
X-Git-Tag: firefly_0821_release~15237^2~835
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1bd68c04850b9e73f1c7022b9a8c38cd14ceb37d;p=firefly-linux-kernel-4.4.55.git

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>
---

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 994703cc0db3..db925085c185 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2687,13 +2687,6 @@ static int sky2_poll(struct napi_struct *napi, int work_limit)
 			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);
 	sky2_read32(hw, B0_Y2_SP_LISR);
 done: