net: rtl8169: remove unnecessary cache maintenance
The buffer descriptors are allocated from coherent memory, so there
is no cache maintenance needed. Only tell the compiler that the descriptors
can be modified by the hardware.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent ae24481 commit 36138c6e1b3acfc6fd177a0c7470a4bc79a48ebd
@Lucas Stach Lucas Stach authored on 4 Jan 2015
Sascha Hauer committed on 5 Jan 2015
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drivers/net/rtl8169.c