net: ena: fix compilation error in xtensa architecture

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linux/prefetch.h is never explicitly included in ena_com, although
functions from it, such as prefetchw(), are used throughout ena_com.
This is an inclusion bug, and we fix it here by explicitly including
linux/prefetch.h. The bug was exposed when the driver was compiled
for the xtensa architecture.

Fixes: 689b2bdaaa ("net: ena: add functions for handling Low Latency Queues in ena_com")
Fixes: 8c590f9776 ("ena: Fix Kconfig dependency on X86")
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Arthur Kiyanovski 2018-10-21 18:07:14 +03:00 • committed by David S. Miller

parent 424c22fb62

commit 00f17a8219

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drivers/net/ethernet/amazon/ena/ena_com.h

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