staging: brcm80211: Remove dead code from bcmwifi.c

Removed unused functions wf_chspec_ntoa() and wf_chspec_aton().

Signed-off-by: Henry Ptasinski <henryp@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/include/bcmwifi.h

@@ -128,21 +128,6 @@ typedef u16 chanspec_t;
 
 #define WLC_2G_25MHZ_OFFSET		5	/* 2.4GHz band channel offset */
 
-/*
- * Convert chanspec to ascii string
- * @param	chspec		chanspec format
- * @param	buf		ascii string of chanspec
- * @return	pointer to buf with room for at least CHANSPEC_STR_LEN bytes
- */
-extern char *wf_chspec_ntoa(chanspec_t chspec, char *buf);
-
-/*
- * Convert ascii string to chanspec
- * @param	a		pointer to input string
- * @return	>= 0 if successful or 0 otherwise
- */
-extern chanspec_t wf_chspec_aton(char *a);
-
 /*
  * 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

drivers/staging/brcm80211/util/bcmwifi.c

@@ -22,132 +22,6 @@
 #include <bcmutils.h>
 #include <bcmwifi.h>
 
-/* Chanspec ASCII representation:
- * <channel><band><bandwidth><ctl-sideband>
- *   digit   [AB]     [N]        [UL]
- *
- * <channel>: channel number of the 10MHz or 20MHz channel,
- *	or control sideband channel of 40MHz channel.
- * <band>: A for 5GHz, B for 2.4GHz
- * <bandwidth>: N for 10MHz, nothing for 20MHz or 40MHz
- *	(ctl-sideband spec implies 40MHz)
- * <ctl-sideband>: U for upper, L for lower
- *
- * <band> may be omitted on input, and will be assumed to be
- * 2.4GHz if channel number <= 14.
- *
- * Examples:
- *	8  ->  2.4GHz channel 8, 20MHz
- *	8b ->  2.4GHz channel 8, 20MHz
- *	8l ->  2.4GHz channel 8, 40MHz, lower ctl sideband
- *	8a ->  5GHz channel 8 (low 5 GHz band), 20MHz
- *	36 ->  5GHz channel 36, 20MHz
- *	36l -> 5GHz channel 36, 40MHz, lower ctl sideband
- *	40u -> 5GHz channel 40, 40MHz, upper ctl sideband
- *	180n -> channel 180, 10MHz
- */
-
-/* given a chanspec and a string buffer, format the chanspec as a
- * string, and return the original pointer a.
- * Min buffer length must be CHANSPEC_STR_LEN.
- * On error return NULL
- */
-char *wf_chspec_ntoa(chanspec_t chspec, char *buf)
-{
-	const char *band, *bw, *sb;
-	uint channel;
-
-	band = "";
-	bw = "";
-	sb = "";
-	channel = CHSPEC_CHANNEL(chspec);
-	/* check for non-default band spec */
-	if ((CHSPEC_IS2G(chspec) && channel > CH_MAX_2G_CHANNEL) ||
-	    (CHSPEC_IS5G(chspec) && channel <= CH_MAX_2G_CHANNEL))
-		band = (CHSPEC_IS2G(chspec)) ? "b" : "a";
-	if (CHSPEC_IS40(chspec)) {
-		if (CHSPEC_SB_UPPER(chspec)) {
-			sb = "u";
-			channel += CH_10MHZ_APART;
-		} else {
-			sb = "l";
-			channel -= CH_10MHZ_APART;
-		}
-	} else if (CHSPEC_IS10(chspec)) {
-		bw = "n";
-	}
-
-	/* Outputs a max of 6 chars including '\0'  */
-	snprintf(buf, 6, "%d%s%s%s", channel, band, bw, sb);
-	return buf;
-}
-
-/* given a chanspec string, convert to a chanspec.
- * On error return 0
- */
-chanspec_t wf_chspec_aton(char *a)
-{
-	char *endp = NULL;
-	uint channel, band, bw, ctl_sb;
-	char c;
-
-	channel = simple_strtoul(a, &endp, 10);
-
-	/* check for no digits parsed */
-	if (endp == a)
-		return 0;
-
-	if (channel > MAXCHANNEL)
-		return 0;
-
-	band =
-	    ((channel <=
-	      CH_MAX_2G_CHANNEL) ? WL_CHANSPEC_BAND_2G : WL_CHANSPEC_BAND_5G);
-	bw = WL_CHANSPEC_BW_20;
-	ctl_sb = WL_CHANSPEC_CTL_SB_NONE;
-
-	a = endp;
-
-	c = tolower(a[0]);
-	if (c == '\0')
-		goto done;
-
-	/* parse the optional ['A' | 'B'] band spec */
-	if (c == 'a' || c == 'b') {
-		band = (c == 'a') ? WL_CHANSPEC_BAND_5G : WL_CHANSPEC_BAND_2G;
-		a++;
-		c = tolower(a[0]);
-		if (c == '\0')
-			goto done;
-	}
-
-	/* parse bandwidth 'N' (10MHz) or 40MHz ctl sideband ['L' | 'U'] */
-	if (c == 'n') {
-		bw = WL_CHANSPEC_BW_10;
-	} else if (c == 'l') {
-		bw = WL_CHANSPEC_BW_40;
-		ctl_sb = WL_CHANSPEC_CTL_SB_LOWER;
-		/* adjust channel to center of 40MHz band */
-		if (channel <= (MAXCHANNEL - CH_20MHZ_APART))
-			channel += CH_10MHZ_APART;
-		else
-			return 0;
-	} else if (c == 'u') {
-		bw = WL_CHANSPEC_BW_40;
-		ctl_sb = WL_CHANSPEC_CTL_SB_UPPER;
-		/* adjust channel to center of 40MHz band */
-		if (channel > CH_20MHZ_APART)
-			channel -= CH_10MHZ_APART;
-		else
-			return 0;
-	} else {
-		return 0;
-	}
-
- done:
-	return channel | band | bw | ctl_sb;
-}
-
 /*
  * 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