ath9k_hw: move the RF claim stuff to AR9002 hardware family

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

3 files changed, 53 insertions, 46 deletions

diff --git a/drivers/net/wireless/ath/ath9k/ar9002_hw.c b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
index eeaea2631c1..5b21e691438 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_hw.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_hw.c
@@ -483,6 +483,49 @@ static void ar9002_hw_configpcipowersave(struct ath_hw *ah,
         }
 }
 
+static int ar9002_hw_get_radiorev(struct ath_hw *ah)
+{
+        u32 val;
+        int i;
+
+        REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
+
+        for (i = 0; i < 8; i++)
+                REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
+        val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
+        val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
+
+        return ath9k_hw_reverse_bits(val, 8);
+}
+
+int ar9002_hw_rf_claim(struct ath_hw *ah)
+{
+        u32 val;
+
+        REG_WRITE(ah, AR_PHY(0), 0x00000007);
+
+        val = ar9002_hw_get_radiorev(ah);
+        switch (val & AR_RADIO_SREV_MAJOR) {
+        case 0:
+                val = AR_RAD5133_SREV_MAJOR;
+                break;
+        case AR_RAD5133_SREV_MAJOR:
+        case AR_RAD5122_SREV_MAJOR:
+        case AR_RAD2133_SREV_MAJOR:
+        case AR_RAD2122_SREV_MAJOR:
+                break;
+        default:
+                ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
+                          "Radio Chip Rev 0x%02X not supported\n",
+                          val & AR_RADIO_SREV_MAJOR);
+                return -EOPNOTSUPP;
+        }
+
+        ah->hw_version.analog5GhzRev = val;
+
+        return 0;
+}
+
 /* Sets up the AR5008/AR9001/AR9002 hardware familiy callbacks */
 void ar9002_hw_attach_ops(struct ath_hw *ah)
 {
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 888a768ee0b..70162db1323 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -264,21 +264,6 @@ static void ath9k_hw_read_revisions(struct ath_hw *ah)
         }
 }
 
-static int ath9k_hw_get_radiorev(struct ath_hw *ah)
-{
-        u32 val;
-        int i;
-
-        REG_WRITE(ah, AR_PHY(0x36), 0x00007058);
-
-        for (i = 0; i < 8; i++)
-                REG_WRITE(ah, AR_PHY(0x20), 0x00010000);
-        val = (REG_READ(ah, AR_PHY(256)) >> 24) & 0xff;
-        val = ((val & 0xf0) >> 4) | ((val & 0x0f) << 4);
-
-        return ath9k_hw_reverse_bits(val, 8);
-}
-
 /************************************/
 /* HW Attach, Detach, Init Routines */
 /************************************/
@@ -438,34 +423,6 @@ static void ath9k_hw_init_defaults(struct ath_hw *ah)
         ah->power_mode = ATH9K_PM_UNDEFINED;
 }
 
-static int ath9k_hw_rf_claim(struct ath_hw *ah)
-{
-        u32 val;
-
-        REG_WRITE(ah, AR_PHY(0), 0x00000007);
-
-        val = ath9k_hw_get_radiorev(ah);
-        switch (val & AR_RADIO_SREV_MAJOR) {
-        case 0:
-                val = AR_RAD5133_SREV_MAJOR;
-                break;
-        case AR_RAD5133_SREV_MAJOR:
-        case AR_RAD5122_SREV_MAJOR:
-        case AR_RAD2133_SREV_MAJOR:
-        case AR_RAD2122_SREV_MAJOR:
-                break;
-        default:
-                ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
-                          "Radio Chip Rev 0x%02X not supported\n",
-                          val & AR_RADIO_SREV_MAJOR);
-                return -EOPNOTSUPP;
-        }
-
-        ah->hw_version.analog5GhzRev = val;
-
-        return 0;
-}
-
 static int ath9k_hw_init_macaddr(struct ath_hw *ah)
 {
         struct ath_common *common = ath9k_hw_common(ah);
@@ -496,9 +453,11 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
                         return -ENODEV;
         }
 
-        ecode = ath9k_hw_rf_claim(ah);
-        if (ecode != 0)
-                return ecode;
+        if (!AR_SREV_9300_20_OR_LATER(ah)) {
+                ecode = ar9002_hw_rf_claim(ah);
+                if (ecode != 0)
+                        return ecode;
+        }
 
         ecode = ath9k_hw_eeprom_init(ah);
         if (ecode != 0)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index fcf78424bfa..16f0f982079 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -844,7 +844,12 @@ void ath9k_hw_htc_resetinit(struct ath_hw *ah);
 void ath9k_hw_get_delta_slope_vals(struct ath_hw *ah, u32 coef_scaled,
                                    u32 *coef_mantissa, u32 *coef_exponent);
 
+/*
+ * Code Specific to AR5008, AR9001 or AR9002,
+ * we stuff these here to avoid callbacks for AR9003.
+ */
 void ar9002_hw_cck_chan14_spread(struct ath_hw *ah);
+int ar9002_hw_rf_claim(struct ath_hw *ah);
 
 /*
  * Code specifric to AR9003, we stuff these here to avoid callbacks