ath9k: make the driver specific rate control module optional
ath9k can use minstrel_ht instead, so it makes sense to save some space here.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 35f23bd..ad57a6d 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -32,6 +32,14 @@
Also required for changing debug message flags at run time.
+config ATH9K_RATE_CONTROL
+ bool "Atheros ath9k rate control"
+ depends on ATH9K
+ default y
+ ---help---
+ Say Y, if you want to use the ath9k specific rate control
+ module instead of minstrel_ht.
+
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 4555e99..aca0162 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -5,8 +5,8 @@
recv.o \
xmit.o \
virtual.o \
- rc.o
+ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o
ath9k-$(CONFIG_PCI) += pci.o
ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index 0364167..573899e 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -654,7 +654,9 @@
hw->sta_data_size = sizeof(struct ath_node);
hw->vif_data_size = sizeof(struct ath_vif);
+#ifdef CONFIG_ATH9K_RATE_CONTROL
hw->rate_control_algorithm = "ath9k_rate_control";
+#endif
if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index dc10826..268072f 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -224,7 +224,18 @@
ATH9K_IFT_UNPAUSE
};
+#ifdef CONFIG_ATH9K_RATE_CONTROL
int ath_rate_control_register(void);
void ath_rate_control_unregister(void);
+#else
+static inline int ath_rate_control_register(void)
+{
+ return 0;
+}
+
+static inline void ath_rate_control_unregister(void)
+{
+}
+#endif
#endif /* RC_H */
