ath9k_hw: Find chansel of AR_PHY_65NM_CH0_SYNTH7 for AR9485

Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
index 63b6d560c7f..bce1fdb1660 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c
@@ -75,7 +75,10 @@ static int ar9003_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
         freq = centers.synth_center;
 
         if (freq < 4800) {     /* 2 GHz, fractional mode */
-                channelSel = CHANSEL_2G(freq);
+                if (AR_SREV_9485(ah))
+                        channelSel = CHANSEL_2G_9485(freq);
+                else
+                        channelSel = CHANSEL_2G(freq);
                 /* Set to 2G mode */
                 bMode = 1;
         } else {
diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h
index 17969af842f..5e3d7496986 100644
--- a/drivers/net/wireless/ath/ath9k/phy.h
+++ b/drivers/net/wireless/ath/ath9k/phy.h
@@ -19,6 +19,7 @@
 
 #define CHANSEL_DIV             15
 #define CHANSEL_2G(_freq)       (((_freq) * 0x10000) / CHANSEL_DIV)
+#define CHANSEL_2G_9485(_freq)  ((((_freq) * 0x10000) - 215) / CHANSEL_DIV)
 #define CHANSEL_5G(_freq)       (((_freq) * 0x8000) / CHANSEL_DIV)
 
 #define AR_PHY_BASE     0x9800