1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_common.c b/drivers/net/wireless/broadcom/b43/phy_common.c
index 85f2ca989565..98c4fa5b919c 100644
--- a/drivers/net/wireless/broadcom/b43/phy_common.c
+++ b/drivers/net/wireless/broadcom/b43/phy_common.c
@@ -604,50 +604,3 @@ void b43_phy_force_clock(struct b43_wldev *dev, bool force)
 #endif
 	}
 }
-
-/* http://bcm-v4.sipsolutions.net/802.11/PHY/Cordic */
-struct b43_c32 b43_cordic(int theta)
-{
-	static const u32 arctg[] = {
-		2949120, 1740967, 919879, 466945, 234379, 117304,
-		  58666,   29335,  14668,   7334,   3667,   1833,
-		    917,     458,    229,    115,     57,     29,
-	};
-	u8 i;
-	s32 tmp;
-	s8 signx = 1;
-	u32 angle = 0;
-	struct b43_c32 ret = { .i = 39797, .q = 0, };
-
-	while (theta > (180 << 16))
-		theta -= (360 << 16);
-	while (theta < -(180 << 16))
-		theta += (360 << 16);
-
-	if (theta > (90 << 16)) {
-		theta -= (180 << 16);
-		signx = -1;
-	} else if (theta < -(90 << 16)) {
-		theta += (180 << 16);
-		signx = -1;
-	}
-
-	for (i = 0; i <= 17; i++) {
-		if (theta > angle) {
-			tmp = ret.i - (ret.q >> i);
-			ret.q += ret.i >> i;
-			ret.i = tmp;
-			angle += arctg[i];
-		} else {
-			tmp = ret.i + (ret.q >> i);
-			ret.q -= ret.i >> i;
-			ret.i = tmp;
-			angle -= arctg[i];
-		}
-	}
-
-	ret.i *= signx;
-	ret.q *= signx;
-
-	return ret;
-}