From ce89294c056805019d8369b3b74bb52ef51b4708 Mon Sep 17 00:00:00 2001
From: Paul Fulghum <paulkf@microgate.com>
Date: Wed, 24 Jun 2009 18:34:51 +0100
Subject: [PATCH] synclink_gt: fix transmit race and timeout

Fix race condition when adding transmit data to active DMA buffer ring
that can cause transmit stall.

Update transmit timeout when adding data to active DMA buffer ring.
Base transmit timeout on amount of buffered data instead of using fixed
value.

Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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