ath9k_hw: Use CONFIG_ATH9K_BTCOEX_SUPPORT

Make use of CONFIG_ATH9K_BTCOEX_SUPPORT in ath9k_hw
to provide a clean way of compilation without BTCOEX
support.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

5 files changed, 80 insertions, 14 deletions

diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index b3c7b12a3e2c..27d95fe5ade0 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -31,14 +31,14 @@ ath9k_hw-y:=	\
                 eeprom_4k.o \
                 eeprom_9287.o \
                 ani.o \
-                btcoex.o \
                 mac.o \
                 ar9002_mac.o \
                 ar9003_mac.o \
                 ar9003_eeprom.o \
-                ar9003_paprd.o \
-                ar9003_mci.o
+                ar9003_paprd.o
 
+ath9k_hw-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += btcoex.o \
+                                           ar9003_mci.o
 obj-$(CONFIG_ATH9K_HW) += ath9k_hw.o
 
 obj-$(CONFIG_ATH9K_COMMON) += ath9k_common.o
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
index 507527b9f5ab..4842f6c06b8c 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h
@@ -254,16 +254,32 @@ enum mci_gpm_coex_opcode {
 
 #define MCI_GPM_IS_CAL_TYPE(_type) ((_type) <= MCI_GPM_WLAN_CAL_DONE)
 
+/*
+ * Functions that are available to the MCI driver core.
+ */
 bool ar9003_mci_send_message(struct ath_hw *ah, u8 header, u32 flag,
                              u32 *payload, u8 len, bool wait_done,
                              bool check_bt);
-void ar9003_mci_stop_bt(struct ath_hw *ah, bool sava_fullsleep);
 u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data);
-void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
-void ar9003_mci_init_cal_done(struct ath_hw *ah);
 void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf,
                       u16 len, u32 sched_addr);
 void ar9003_mci_cleanup(struct ath_hw *ah);
+void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
+                              u32 *rx_msg_intr);
+
+/*
+ * These functions are used by ath9k_hw.
+ */
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+
+static inline bool ar9003_mci_is_ready(struct ath_hw *ah)
+{
+        return ah->btcoex_hw.mci.ready;
+}
+void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep);
+void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable);
+void ar9003_mci_init_cal_done(struct ath_hw *ah);
 void ar9003_mci_set_full_sleep(struct ath_hw *ah);
 void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done);
 void ar9003_mci_check_bt(struct ath_hw *ah);
@@ -272,13 +288,48 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
                          struct ath9k_hw_cal_data *caldata);
 void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
                       bool is_full_sleep);
-void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr,
-                              u32 *rx_msg_intr);
 void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked);
 
+#else
+
 static inline bool ar9003_mci_is_ready(struct ath_hw *ah)
 {
-        return ah->btcoex_hw.mci.ready;
+        return false;
+}
+static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep)
+{
+}
+static inline void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable)
+{
+}
+static inline void ar9003_mci_init_cal_done(struct ath_hw *ah)
+{
+}
+static inline void ar9003_mci_set_full_sleep(struct ath_hw *ah)
+{
+}
+static inline void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done)
+{
+}
+static inline void ar9003_mci_check_bt(struct ath_hw *ah)
+{
+}
+static inline bool ar9003_mci_start_reset(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+        return false;
+}
+static inline int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan,
+                                       struct ath9k_hw_cal_data *caldata)
+{
+        return 0;
+}
+static inline void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g,
+                                    bool is_full_sleep)
+{
+}
+static inline void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked)
+{
 }
+#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
 
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h
index 10627b46ec34..8f93aef4414f 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.h
+++ b/drivers/net/wireless/ath/ath9k/btcoex.h
@@ -105,7 +105,6 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum);
 void ath9k_hw_btcoex_set_weight(struct ath_hw *ah,
                                 u32 bt_weight,
                                 u32 wlan_weight);
-void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 void ath9k_hw_btcoex_disable(struct ath_hw *ah);
 void ath9k_hw_btcoex_bt_stomp(struct ath_hw *ah,
                               enum ath_stomp_type stomp_type);
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 5f2e30ca8eff..8c840cad3ac2 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1800,8 +1800,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
 #endif
         }
 
-        if (ah->btcoex_hw.enabled &&
-            ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE)
+        if (ath9k_hw_btcoex_is_enabled(ah))
                 ath9k_hw_btcoex_enable(ah);
 
         if (mci)
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 96494a612650..29b65adade60 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -802,8 +802,9 @@ struct ath_hw {
         int firpwr[5];
         enum ath9k_ani_cmd ani_function;
 
-        /* Bluetooth coexistance */
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
         struct ath_btcoex_hw btcoex_hw;
+#endif
 
         u32 intr_txqs;
         u8 txchainmask;
@@ -1052,13 +1053,29 @@ void ath9k_hw_proc_mib_event(struct ath_hw *ah);
 void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan);
 
 #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
+{
+        return ah->btcoex_hw.enabled;
+}
+void ath9k_hw_btcoex_enable(struct ath_hw *ah);
 static inline enum ath_btcoex_scheme
 ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
 {
         return ah->btcoex_hw.scheme;
 }
 #else
-#define ath9k_hw_get_btcoex_scheme(...) ATH_BTCOEX_CFG_NONE
+static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah)
+{
+        return false;
+}
+static inline void ath9k_hw_btcoex_enable(struct ath_hw *ah)
+{
+}
+static inline enum ath_btcoex_scheme
+ath9k_hw_get_btcoex_scheme(struct ath_hw *ah)
+{
+        return ATH_BTCOEX_CFG_NONE;
+}
 #endif
 
 #define ATH9K_CLOCK_RATE_CCK            22