Staging : winbond : fix coding style issue in phy_calibration.c

Thus us a patch to the phy_calibration.c file that fixes up coding style warning found by the checkpatch.pl tool
Signed-off-by: Vincent Abel-Grimalt <kolymine@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/winbond/phy_calibration.c

@@ -24,7 +24,7 @@
 
 #define AG_CONST        0.6072529350
 #define FIXED(X)        ((s32)((X) * 32768.0))
-#define DEG2RAD(X)      0.017453 * (X)
+#define DEG2RAD(X)      (0.017453 * (X))
 
 static const s32 Angles[] = {
 	FIXED(DEG2RAD(45.0)),     FIXED(DEG2RAD(26.565)),   FIXED(DEG2RAD(14.0362)),
@@ -51,7 +51,7 @@ s32 _s13_to_s32(u32 data)
 	if ((data & BIT(12)) != 0)
 		val |= 0xFFFFF000;
 
-	return ((s32) val);
+	return (s32) val;
 }
 
 u32 _s32_to_s13(s32 data)
@@ -184,7 +184,7 @@ s32 _floor(s32 n)
 	else
 		n -= 5;
 
-	return (n/10);
+	return n/10;
 }
 
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