Commit e67bda55 authored Dec 05, 2006 by Brice Goglin Committed by Jeff Garzik Dec 07, 2006

[PATCH] myri10ge: write as 2 32-byte blocks in myri10ge_submit_8rx



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 <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent c3905bc4

drivers/net/myri10ge/myri10ge.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -795,7 +795,9 @@ myri10ge_submit_8rx(struct mcp_kreq_ether_recv __iomem * dst,

		low = src->addr_low;
		src->addr_low = htonl(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;
		put_be32(low, &dst->addr_low);

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