The patch titled
de2104x: force correct order when writing to rx ring
has been removed from the -mm tree. Its filename was
de2104x-force-correct-order-when-writing-to-rx-ring.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: de2104x: force correct order when writing to rx ring
From: Risto Suominen <risto.suominen@xxxxxxxxx>
DescOwn should not be set, thus allowing the chip to use the descriptor,
before everything else is set up correctly.
Signed-off-by: Risto Suominen <Risto.Suominen@xxxxxxxxx>
Cc: Grant Grundler <grundler@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/tulip/de2104x.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/net/tulip/de2104x.c~de2104x-force-correct-order-when-writing-to-rx-ring drivers/net/tulip/de2104x.c
--- a/drivers/net/tulip/de2104x.c~de2104x-force-correct-order-when-writing-to-rx-ring
+++ a/drivers/net/tulip/de2104x.c
@@ -464,13 +464,14 @@ static void de_rx (struct de_private *de
drop = 1;
rx_next:
- de->rx_ring[rx_tail].opts1 = cpu_to_le32(DescOwn);
if (rx_tail == (DE_RX_RING_SIZE - 1))
de->rx_ring[rx_tail].opts2 =
cpu_to_le32(RingEnd | de->rx_buf_sz);
else
de->rx_ring[rx_tail].opts2 = cpu_to_le32(de->rx_buf_sz);
de->rx_ring[rx_tail].addr1 = cpu_to_le32(mapping);
+ wmb();
+ de->rx_ring[rx_tail].opts1 = cpu_to_le32(DescOwn);
rx_tail = NEXT_RX(rx_tail);
}
_
Patches currently in -mm which might be from risto.suominen@xxxxxxxxx are
de2104x-support-for-systems-lacking-cache-coherence.patch
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