ath9k_hw: add a private callback for PLL control computation

The PLL control computation used to program the AR_RTC_PLL_CONTROL
register varies between our harware so just add a private callback for it.
AR9003 will use its own callback.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index d740e9cc721c..79b938b93055 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -454,6 +454,8 @@ struct ath_gen_timer_table {
  * @rf_alloc_ext_banks:
  * @rf_free_ext_banks:
  * @set_rf_regs:
+ * @compute_pll_control: compute the PLL control value to use for
+ *      AR_RTC_PLL_CONTROL for a given channel
  */
 struct ath_hw_private_ops {
         void (*init_cal_settings)(struct ath_hw *ah);
@@ -483,6 +485,8 @@ struct ath_hw_private_ops {
         void (*enable_rfkill)(struct ath_hw *ah);
         void (*restore_chainmask)(struct ath_hw *ah);
         void (*set_diversity)(struct ath_hw *ah, bool value);
+        u32 (*compute_pll_control)(struct ath_hw *ah,
+                                   struct ath9k_channel *chan);
 };
 
 /**