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net: ena: fix compilation error in xtensa architecture 

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>
This commit is contained in:
Arthur Kiyanovski 2018-10-21 18:07:14 +03:00 committed by David S. Miller
parent 424c22fb62
commit 00f17a8219
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/amazon/ena/ena_com.h
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@ -38,6 +38,7 @@
#include <linux/dma-mapping.h>
#include <linux/gfp.h>
#include <linux/io.h>
#include <linux/prefetch.h>
#include <linux/sched.h>
#include <linux/sizes.h>
#include <linux/spinlock.h>