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-rw-r--r--package/mac80211/Makefile12
-rw-r--r--package/mac80211/patches/810-b43_no_pio.patch30
2 files changed, 29 insertions, 13 deletions
diff --git a/package/mac80211/Makefile b/package/mac80211/Makefile
index 330876f..1201b7f 100644
--- a/package/mac80211/Makefile
+++ b/package/mac80211/Makefile
@@ -34,6 +34,7 @@ PKG_CONFIG_DEPENDS:= \
CONFIG_PACKAGE_MAC80211_DEBUGFS \
CONFIG_PACKAGE_ATH_DEBUG \
CONFIG_PACKAGE_B43_DEBUG \
+ CONFIG_PACKAGE_B43_PIO \
CONFIG_ATH_USER_REGD \
CARL9170_FW_VERSION:=1.9.2
@@ -1118,6 +1119,15 @@ define KernelPackage/b43/config
If unsure, say N.
+ config PACKAGE_B43_PIO
+ bool "Enable support for PIO transfer mode"
+ default n
+ help
+ Enable support for using PIO instead of DMA. Unless you have DMA
+ transfer problems you don't need this.
+
+ If unsure, say N.
+
endmenu
endef
@@ -1179,6 +1189,7 @@ BUILDFLAGS:= \
-DCONFIG_MAC80211_RC_MINSTREL_HT \
$(if $(CONFIG_ATH_USER_REGD),-DATH_USER_REGD=1) \
$(if $(CONFIG_PACKAGE_B43_DEBUG),-DCONFIG_B43_DEBUG) \
+ $(if $(CONFIG_PACKAGE_B43_PIO),-DCONFIG_B43_PIO) \
$(if $(CONFIG_PACKAGE_RT2X00_LIB_DEBUGFS),-DCONFIG_RT2X00_LIB_DEBUGFS) \
$(if $(CONFIG_PACKAGE_RT2X00_DEBUG),-DCONFIG_RT2X00_DEBUG) \
$(if $(NEED_RT2X00_LIB_HT),-DCONFIG_RT2X00_LIB_HT) \
@@ -1211,6 +1222,7 @@ MAKE_OPTS:= \
CONFIG_B43=$(if $(CONFIG_PACKAGE_kmod-b43),m) \
CONFIG_B43LEGACY=$(if $(CONFIG_PACKAGE_kmod-b43legacy),m) \
CONFIG_B43_DEBUG=$(if $(CONFIG_PACKAGE_B43_DEBUG),y) \
+ CONFIG_B43_PIO=$(if $(CONFIG_PACKAGE_B43_PIO),y) \
CONFIG_ATH_COMMON=$(if $(CONFIG_PACKAGE_kmod-ath),m) \
CONFIG_ATH_DEBUG=$(if $(CONFIG_PACKAGE_ATH_DEBUG),y) \
CONFIG_ATH5K_DEBUG=$(if $(CONFIG_PACKAGE_ATH_DEBUG),y) \
diff --git a/package/mac80211/patches/810-b43_no_pio.patch b/package/mac80211/patches/810-b43_no_pio.patch
index b30b417..037b8a3 100644
--- a/package/mac80211/patches/810-b43_no_pio.patch
+++ b/package/mac80211/patches/810-b43_no_pio.patch
@@ -5,7 +5,7 @@
b43-y += wa.o
b43-y += dma.o
-b43-y += pio.o
-+# b43-y += pio.o
++b43-$(CONFIG_B43_PIO) += pio.o
b43-y += rfkill.o
b43-$(CONFIG_B43_LEDS) += leds.o
b43-$(CONFIG_B43_PCMCIA) += pcmcia.o
@@ -15,7 +15,7 @@
dma_reason[4], dma_reason[5]);
b43err(dev->wl, "This device does not support DMA "
"on your system. It will now be switched to PIO.\n");
-+#if 0
++#ifdef CONFIG_B43_PIO
/* Fall back to PIO transfers if we get fatal DMA errors! */
dev->use_pio = 1;
b43_controller_restart(dev, "DMA error");
@@ -25,12 +25,20 @@
if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
--- a/drivers/net/wireless/b43/pio.h
+++ b/drivers/net/wireless/b43/pio.h
-@@ -151,15 +151,34 @@ static inline void b43_piorx_write32(str
+@@ -150,7 +150,7 @@ static inline void b43_piorx_write32(str
+ b43_write32(q->dev, q->mmio_base + offset, value);
}
+-
++#ifdef CONFIG_B43_PIO
+ int b43_pio_init(struct b43_wldev *dev);
+ void b43_pio_free(struct b43_wldev *dev);
--int b43_pio_init(struct b43_wldev *dev);
--void b43_pio_free(struct b43_wldev *dev);
+@@ -161,5 +161,37 @@ void b43_pio_rx(struct b43_pio_rxqueue *
+
+ void b43_pio_tx_suspend(struct b43_wldev *dev);
+ void b43_pio_tx_resume(struct b43_wldev *dev);
++#else
+static inline int b43_pio_init(struct b43_wldev *dev)
+{
+ return 0;
@@ -44,11 +52,7 @@
+{
+ return 0;
+}
-
--int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb);
--void b43_pio_handle_txstatus(struct b43_wldev *dev,
-- const struct b43_txstatus *status);
--void b43_pio_rx(struct b43_pio_rxqueue *q);
++
+static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
+ const struct b43_txstatus *status)
+{
@@ -57,14 +61,14 @@
+static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
+{
+}
-
--void b43_pio_tx_suspend(struct b43_wldev *dev);
--void b43_pio_tx_resume(struct b43_wldev *dev);
++
+static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
+{
+}
++
+static inline void b43_pio_tx_resume(struct b43_wldev *dev)
+{
+}
++#endif /* CONFIG_B43_PIO */
#endif /* B43_PIO_H_ */