mac80211: remove the pid rate control algorithm to save a few kbytes

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21654 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/mac80211/Makefile

@@ -800,7 +800,6 @@ MAKE_OPTS:= \
 	EXTRA_CFLAGS="$(BUILDFLAGS)" \
 	$(foreach opt,$(CONFOPTS),CONFIG_$(opt)=m) \
 	CONFIG_MAC80211=$(if $(CONFIG_PACKAGE_kmod-mac80211),m) \
-	CONFIG_MAC80211_RC_PID=y \
 	CONFIG_MAC80211_RC_MINSTREL=y \
 	CONFIG_MAC80211_LEDS=$(CONFIG_LEDS_TRIGGERS) \
 	CONFIG_MAC80211_DEBUGFS=$(if $(CONFIG_PACKAGE_MAC80211_DEBUGFS),y) \

package/mac80211/patches/016-remove_pid_algo.patch

@@ -0,0 +1,11 @@
+--- a/config.mk
++++ b/config.mk
+@@ -112,7 +112,7 @@ CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
+ # This is the one used by our compat-wireless net/mac80211/rate.c
+ # in case you have and old kernel which is overriding this to pid.
+ CONFIG_COMPAT_MAC80211_RC_DEFAULT=minstrel
+-CONFIG_MAC80211_RC_PID=y
++# CONFIG_MAC80211_RC_PID=y
+ CONFIG_MAC80211_RC_MINSTREL=y
+ CONFIG_MAC80211_LEDS=y
+