ath9k_hw: make support for PC-OEM cards optional

The initvals use up quite a bit of space, and PC-OEM support is
typically not needed on embedded systems

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

7 files changed, 84 insertions, 19 deletions

diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 896e63281b3b..ca101d7cb99f 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -148,6 +148,11 @@ config ATH9K_CHANNEL_CONTEXT
          for multi-channel concurrency. Enable this if P2P PowerSave support
          is required.
 
+config ATH9K_PCOEM
+        bool "Atheros ath9k support for PC OEM cards" if EXPERT
+        depends on ATH9K
+        default y
+
 config ATH9K_HTC
        tristate "Atheros HTC based wireless cards support"
        depends on USB && MAC80211
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index 73704c1be736..22b934b07bd4 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -32,7 +32,6 @@ ath9k_hw-y:=	\
                 ar5008_phy.o \
                 ar9002_calib.o \
                 ar9003_calib.o \
-                ar9003_rtt.o \
                 calib.o \
                 eeprom.o \
                 eeprom_def.o \
@@ -50,6 +49,8 @@ ath9k_hw-$(CONFIG_ATH9K_WOW) += ar9003_wow.o
 ath9k_hw-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += btcoex.o \
                                            ar9003_mci.o
 
+ath9k_hw-$(CONFIG_ATH9K_PCOEM) += ar9003_rtt.o
+
 ath9k_hw-$(CONFIG_ATH9K_DYNACK) += dynack.o
 
 obj-$(CONFIG_ATH9K_HW) += ath9k_hw.o
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_rtt.h b/drivers/net/wireless/ath/ath9k/ar9003_rtt.h
index a43b30d723a4..6290467a75a0 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_rtt.h
+++ b/drivers/net/wireless/ath/ath9k/ar9003_rtt.h
@@ -17,6 +17,7 @@
 #ifndef AR9003_RTT_H
 #define AR9003_RTT_H
 
+#ifdef CONFIG_ATH9K_PCOEM
 void ar9003_hw_rtt_enable(struct ath_hw *ah);
 void ar9003_hw_rtt_disable(struct ath_hw *ah);
 void ar9003_hw_rtt_set_mask(struct ath_hw *ah, u32 rtt_mask);
@@ -25,5 +26,40 @@ void ar9003_hw_rtt_load_hist(struct ath_hw *ah);
 void ar9003_hw_rtt_fill_hist(struct ath_hw *ah);
 void ar9003_hw_rtt_clear_hist(struct ath_hw *ah);
 bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan);
+#else
+static inline void ar9003_hw_rtt_enable(struct ath_hw *ah)
+{
+}
+
+static inline void ar9003_hw_rtt_disable(struct ath_hw *ah)
+{
+}
+
+static inline void ar9003_hw_rtt_set_mask(struct ath_hw *ah, u32 rtt_mask)
+{
+}
+
+static inline bool ar9003_hw_rtt_force_restore(struct ath_hw *ah)
+{
+        return false;
+}
+
+static inline void ar9003_hw_rtt_load_hist(struct ath_hw *ah)
+{
+}
+
+static inline void ar9003_hw_rtt_fill_hist(struct ath_hw *ah)
+{
+}
+
+static inline void ar9003_hw_rtt_clear_hist(struct ath_hw *ah)
+{
+}
+
+static inline bool ar9003_hw_rtt_restore(struct ath_hw *ah, struct ath9k_channel *chan)
+{
+        return false;
+}
+#endif
 
 #endif
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index 975074fc11bc..7a81f5b864c7 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -244,13 +244,20 @@ enum ath9k_hw_caps {
         ATH9K_HW_CAP_2GHZ                       = BIT(11),
         ATH9K_HW_CAP_5GHZ                       = BIT(12),
         ATH9K_HW_CAP_APM                        = BIT(13),
+#ifdef CONFIG_ATH9K_PCOEM
         ATH9K_HW_CAP_RTT                        = BIT(14),
         ATH9K_HW_CAP_MCI                        = BIT(15),
-        ATH9K_HW_CAP_DFS                        = BIT(16),
-        ATH9K_HW_WOW_DEVICE_CAPABLE             = BIT(17),
-        ATH9K_HW_CAP_PAPRD                      = BIT(18),
-        ATH9K_HW_CAP_FCC_BAND_SWITCH            = BIT(19),
-        ATH9K_HW_CAP_BT_ANT_DIV                 = BIT(20),
+        ATH9K_HW_WOW_DEVICE_CAPABLE             = BIT(16),
+        ATH9K_HW_CAP_BT_ANT_DIV                 = BIT(17),
+#else
+        ATH9K_HW_CAP_RTT                        = 0,
+        ATH9K_HW_CAP_MCI                        = 0,
+        ATH9K_HW_WOW_DEVICE_CAPABLE             = 0,
+        ATH9K_HW_CAP_BT_ANT_DIV                 = 0,
+#endif
+        ATH9K_HW_CAP_DFS                        = BIT(18),
+        ATH9K_HW_CAP_PAPRD                      = BIT(19),
+        ATH9K_HW_CAP_FCC_BAND_SWITCH            = BIT(20),
 };
 
 /*
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 156a944134dc..57a17601b0b6 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -362,6 +362,9 @@ static void ath9k_init_pcoem_platform(struct ath_softc *sc)
         struct ath9k_hw_capabilities *pCap = &ah->caps;
         struct ath_common *common = ath9k_hw_common(ah);
 
+        if (!IS_ENABLED(CONFIG_ATH9K_PCOEM))
+                return;
+
         if (common->bus_ops->ath_bus_type != ATH_PCI)
                 return;
 
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index c018dea0b2e8..e3f60d5c5263 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -30,6 +30,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
 
+#ifdef CONFIG_ATH9K_PCOEM
         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
                          0x002A,
                          PCI_VENDOR_ID_AZWAVE,
@@ -82,6 +83,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
                          PCI_VENDOR_ID_AZWAVE,
                          0x2C37),
           .driver_data = ATH9K_PCI_BT_ANT_DIV },
+#endif
 
         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
@@ -102,6 +104,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
 
         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 
+#ifdef CONFIG_ATH9K_PCOEM
         /* PCI-E CUS198 */
         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
                          0x0032,
@@ -294,10 +297,12 @@ static const struct pci_device_id ath_pci_id_table[] = {
                          PCI_VENDOR_ID_ASUSTEK,
                          0x850D),
           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
+#endif
 
         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 
+#ifdef CONFIG_ATH9K_PCOEM
         /* PCI-E CUS217 */
         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
                          0x0034,
@@ -657,6 +662,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
         /* PCI-E AR9565 (WB335) */
         { PCI_VDEVICE(ATHEROS, 0x0036),
           .driver_data = ATH9K_PCI_BT_ANT_DIV },
+#endif
 
         { 0 }
 };
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 2a938f4feac5..1c0b1c1c5350 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -892,10 +892,21 @@
         (AR_SREV_9330((_ah)) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9330_12))
 
+#ifdef CONFIG_ATH9K_PCOEM
+#define AR_SREV_9462(_ah) \
+        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462))
 #define AR_SREV_9485(_ah) \
         (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9485))
+#define AR_SREV_9565(_ah) \
+        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565))
+#else
+#define AR_SREV_9462(_ah) 0
+#define AR_SREV_9485(_ah) 0
+#define AR_SREV_9565(_ah) 0
+#endif
+
 #define AR_SREV_9485_11_OR_LATER(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9485) && \
+        (AR_SREV_9485(_ah) && \
          ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9485_11))
 #define AR_SREV_9485_OR_LATER(_ah) \
         (((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9485))
@@ -915,34 +926,30 @@
     (AR_SREV_9285_12_OR_LATER(_ah) && \
      ((REG_READ(_ah, AR_AN_SYNTH9) & 0x7) == 0x1))
 
-#define AR_SREV_9462(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462))
 #define AR_SREV_9462_20(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462) && \
+        (AR_SREV_9462(_ah) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9462_20))
 #define AR_SREV_9462_21(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462) && \
+        (AR_SREV_9462(_ah) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9462_21))
 #define AR_SREV_9462_20_OR_LATER(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462) && \
+        (AR_SREV_9462(_ah) && \
          ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9462_20))
 #define AR_SREV_9462_21_OR_LATER(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9462) && \
+        (AR_SREV_9462(_ah) && \
          ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9462_21))
 
-#define AR_SREV_9565(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565))
 #define AR_SREV_9565_10(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565) && \
+        (AR_SREV_9565(_ah) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9565_10))
 #define AR_SREV_9565_101(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565) && \
+        (AR_SREV_9565(_ah) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9565_101))
 #define AR_SREV_9565_11(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565) && \
+        (AR_SREV_9565(_ah) && \
          ((_ah)->hw_version.macRev == AR_SREV_REVISION_9565_11))
 #define AR_SREV_9565_11_OR_LATER(_ah) \
-        (((_ah)->hw_version.macVersion == AR_SREV_VERSION_9565) && \
+        (AR_SREV_9565(_ah) && \
          ((_ah)->hw_version.macRev >= AR_SREV_REVISION_9565_11))
 
 #define AR_SREV_9550(_ah) \