b43: use kernel api to replace b43 specific helper function

Use ieee80211_channel_to_frequency() to replace b43_channel_to_freq_{2,5}ghz(),
and remove unused b43_freq_to_channel_{2,5}ghz().

Signed-off-by: ZHAO Gang <gamerh2o@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
index abac25e..f476fc3 100644 (file)
--- a/drivers/net/wireless/b43/main.h
+++ b/drivers/net/wireless/b43/main.h
@@ -58,41 +58,6 @@ enum b43_verbosity {
 #endif
 };
 
-
-/* Lightweight function to convert a frequency (in Mhz) to a channel number. */
-static inline u8 b43_freq_to_channel_5ghz(int freq)
-{
-       return ((freq - 5000) / 5);
-}
-static inline u8 b43_freq_to_channel_2ghz(int freq)
-{
-       u8 channel;
-
-       if (freq == 2484)
-               channel = 14;
-       else
-               channel = (freq - 2407) / 5;
-
-       return channel;
-}
-
-/* Lightweight function to convert a channel number to a frequency (in Mhz). */
-static inline int b43_channel_to_freq_5ghz(u8 channel)
-{
-       return (5000 + (5 * channel));
-}
-static inline int b43_channel_to_freq_2ghz(u8 channel)
-{
-       int freq;
-
-       if (channel == 14)
-               freq = 2484;
-       else
-               freq = 2407 + (5 * channel);
-
-       return freq;
-}
-
 static inline int b43_is_cck_rate(int rate)
 {
        return (rate == B43_CCK_RATE_1MB ||

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 50e5ddb..218a0f3 100644 (file)
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -806,7 +806,8 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
                B43_WARN_ON(1);
                /* FIXME: We don't really know which value the "chanid" contains.
                 *        So the following assignment might be wrong. */
-               status.freq = b43_channel_to_freq_5ghz(chanid);
+               status.freq =
+                       ieee80211_channel_to_frequency(chanid, status.band);
                break;
        case B43_PHYTYPE_G:
                status.band = IEEE80211_BAND_2GHZ;
@@ -819,13 +820,12 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
        case B43_PHYTYPE_HT:
                /* chanid is the SHM channel cookie. Which is the plain
                 * channel number in b43. */
-               if (chanstat & B43_RX_CHAN_5GHZ) {
+               if (chanstat & B43_RX_CHAN_5GHZ)
                        status.band = IEEE80211_BAND_5GHZ;
-                       status.freq = b43_channel_to_freq_5ghz(chanid);
-               } else {
+               else
                        status.band = IEEE80211_BAND_2GHZ;
-                       status.freq = b43_channel_to_freq_2ghz(chanid);
-               }
+               status.freq =
+                       ieee80211_channel_to_frequency(chanid, status.band);
                break;
        default:
                B43_WARN_ON(1);