In the myri10ge_submit_8rx() routine, write the 64 byte request block as
2 32-byte blocks so that it is handled by the hardware pio write handler
if write-combining is enabled.
Signed-off-by: Brice Goglin <[EMAIL PROTECTED]>
---
drivers/net/myri10ge/myri10ge.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
Index: linux-2.6.19/drivers/net/myri10ge/myri10ge.c
===================================================================
--- linux-2.6.19.orig/drivers/net/myri10ge/myri10ge.c 2006-11-29
22:57:37.000000000 +0100
+++ linux-2.6.19/drivers/net/myri10ge/myri10ge.c 2006-12-04
11:22:48.000000000 +0100
@@ -790,7 +790,9 @@
low = src->addr_low;
src->addr_low = DMA_32BIT_MASK;
- myri10ge_pio_copy(dst, src, 8 * sizeof(*src));
+ myri10ge_pio_copy(dst, src, 4 * sizeof(*src));
+ mb();
+ myri10ge_pio_copy(dst + 4, src + 4, 4 * sizeof(*src));
mb();
src->addr_low = low;
__raw_writel(low, &dst->addr_low);
-
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