netdev - [PATCH kernel 2.6.38rc2-git7] axnet_cs: reduce delay time at ei_rx

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Date:	Mon, 31 Jan 2011 06:16:16 +0900
From:	Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>
To:	netdev@...r.kernel.org
Subject: [PATCH  kernel 2.6.38rc2-git7] axnet_cs: reduce delay time at
 ei_rx_overrun


axnet_cs:
    mdelay of 10ms is too long at ei_rx_overrun.
    It should be reduced to 2ms.

Signed-off-by: Ken Kawasaki <ken_kawasaki@...ing.nifty.jp>

---

--- linux-2.6.38-rc2-git7/drivers/net/pcmcia/axnet_cs.c.orig	2011-01-29 19:56:56.261560045 +0900
+++ linux-2.6.38-rc2-git7/drivers/net/pcmcia/axnet_cs.c	2011-01-30 11:00:12.500397574 +0900
@@ -1488,12 +1488,10 @@ static void ei_rx_overrun(struct net_dev
     
 	/* 
 	 * Wait a full Tx time (1.2ms) + some guard time, NS says 1.6ms total.
-	 * Early datasheets said to poll the reset bit, but now they say that
-	 * it "is not a reliable indicator and subsequently should be ignored."
-	 * We wait at least 10ms.
+	 * We wait at least 2ms.
 	 */
 
-	mdelay(10);
+	mdelay(2);
 
 	/*
 	 * Reset RBCR[01] back to zero as per magic incantation.
--
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