ath9k_hw: add common channel select helpers for ar900[23]

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 87541a8..1f8ac0a 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -83,7 +83,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
                bMode = 1;
                fracMode = 1;
                aModeRefSel = 0;
-               channelSel = (freq * 0x10000) / 15;
+               channelSel = CHANSEL_2G(freq);
 
                if (AR_SREV_9287_11_OR_LATER(ah)) {
                        if (freq == 2484) {
@@ -126,7 +126,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
                         */
                        fracMode = 1;
                        refDivA = 1;
-                       channelSel = (freq * 0x8000) / 15;
+                       channelSel = CHANSEL_5G(freq);
 
                        /* RefDivA setting */
                        REG_RMW_FIELD(ah, AR_AN_SYNTH9,

diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index b908152..7d397fd 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -17,6 +17,10 @@
 #ifndef PHY_H
 #define PHY_H
 
+#define CHANSEL_DIV            15
+#define CHANSEL_2G(_freq)      (((_freq) * 0x10000) / CHANSEL_DIV)
+#define CHANSEL_5G(_freq)      (((_freq) * 0x8000) / CHANSEL_DIV)
+
 #define AR_PHY_BASE     0x9800
 #define AR_PHY(_n)      (AR_PHY_BASE + ((_n)<<2))