brcm80211: moved function brcmu_chspec_malformed

Moved brcmu_chspec_malformed into the only file using it. The
function name was adjusted accordingly.

Reported-by: Johannes Berg <[e-mail]>
Reviewed-by: Roland Vossen <[e-mail]>
Reviewed-by: Arend van Spriel <[e-mail]>
Signed-off-by: Arend van Spriel <[e-mail]>
Signed-off-by: John W. Linville <[e-mail]>

drivers/net/wireless/brcm80211/brcmsmac/channel.c

···
 }
 
 /*
+ * Verify the chanspec is using a legal set of parameters, i.e. that the
+ * chanspec specified a band, bw, ctl_sb and channel and that the
+ * combination could be legal given any set of circumstances.
+ * RETURNS: true is the chanspec is malformed, false if it looks good.
+ */
+static bool brcms_c_chspec_malformed(u16 chanspec)
+{
+	/* must be 2G or 5G band */
+	if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
+		return true;
+	/* must be 20 or 40 bandwidth */
+	if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
+		return true;
+
+	/* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */
+	if (CHSPEC_IS20(chanspec)) {
+		if (!CHSPEC_SB_NONE(chanspec))
+			return true;
+	} else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) {
+		return true;
+	}
+
+	return false;
+}
+
+/*
  * Validate the chanspec for this locale, for 40MHZ we need to also
  * check that the sidebands are valid 20MZH channels in this locale
  * and they are also a legal HT combination
···
 	u8 channel = CHSPEC_CHANNEL(chspec);
 
 	/* check the chanspec */
-	if (brcmu_chspec_malformed(chspec)) {
+	if (brcms_c_chspec_malformed(chspec)) {
 		wiphy_err(wlc->wiphy, "wl%d: malformed chanspec 0x%x\n",
 			wlc->pub->unit, chspec);
 		return false;

drivers/net/wireless/brcm80211/brcmutil/wifi.c

···
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #include <brcmu_wifi.h>
-
-/*
- * Verify the chanspec is using a legal set of parameters, i.e. that the
- * chanspec specified a band, bw, ctl_sb and channel and that the
- * combination could be legal given any set of circumstances.
- * RETURNS: true is the chanspec is malformed, false if it looks good.
- */
-bool brcmu_chspec_malformed(u16 chanspec)
-{
-	/* must be 2G or 5G band */
-	if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec))
-		return true;
-	/* must be 20 or 40 bandwidth */
-	if (!CHSPEC_IS40(chanspec) && !CHSPEC_IS20(chanspec))
-		return true;
-
-	/* 20MHZ b/w must have no ctl sb, 40 must have a ctl sb */
-	if (CHSPEC_IS20(chanspec)) {
-		if (!CHSPEC_SB_NONE(chanspec))
-			return true;
-	} else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) {
-		return true;
-	}
-
-	return false;
-}
-EXPORT_SYMBOL(brcmu_chspec_malformed);

drivers/net/wireless/brcm80211/include/brcmu_wifi.h

···
 	return (bitmap & (1 << (prec))) != 0;
 }
 
-/*
- * Verify the chanspec is using a legal set of parameters, i.e. that the
- * chanspec specified a band, bw, ctl_sb and channel and that the
- * combination could be legal given any set of circumstances.
- * RETURNS: true is the chanspec is malformed, false if it looks good.
- */
-extern bool brcmu_chspec_malformed(u16 chanspec);
-
 /* Enumerate crypto algorithms */
 #define	CRYPTO_ALGO_OFF			0
 #define	CRYPTO_ALGO_WEP1		1