From: Matan Barak <matanb@mellanox.com>
Date: Thu, 11 Jun 2015 13:35:26 +0000 (+0300)
Subject: IB/mlx4: Add mmap call to map the hardware clock
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~152^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=52033cfb5aab2a54e238e93c9e52f61c2c5708aa;p=pandora-kernel.git

IB/mlx4: Add mmap call to map the hardware clock

In order to read the HCA's cycle counter efficiently in
user space, we need to map the HCA's register.
This is done through mmap call.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
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