From: Arend van Spriel <arend@broadcom.com>
Date: Mon, 9 May 2011 14:33:27 +0000 (+0200)
Subject: staging: brcm80211: make use of fls bit operation in wlc_phy_compute_dB
X-Git-Tag: v3.0-rc1~336^2~468
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8fbc3928cce0c8fa7c01afc33ddef02062504e1;p=pandora-kernel.git

staging: brcm80211: make use of fls bit operation in wlc_phy_compute_dB

wlc_phy_compute_dB converts absolute power value to dB implementing
a fixed point calculation for 10*log10(x). It does this by determining
the most significant bit for value x. This can be done using the fls()
bit operation, which has arch specific and possibly more efficient
implementation.

Cc: devel@linuxdriverproject.org
Cc: linux-wireless@vger.kernel.org
Reviewed-by: Roland Vossen <rvossen@broadcoom.com>
Reviewed-by: Henry Ptasinski <henryp@broadcom.com>
Reviewed-by: Brett Rudley <brudley@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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