From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../kernel/mac80211/patches/810-b43_no_pio.patch   | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 package/kernel/mac80211/patches/810-b43_no_pio.patch

(limited to 'package/kernel/mac80211/patches/810-b43_no_pio.patch')

diff --git a/package/kernel/mac80211/patches/810-b43_no_pio.patch b/package/kernel/mac80211/patches/810-b43_no_pio.patch
new file mode 100644
index 0000000..d99f3ce
--- /dev/null
+++ b/package/kernel/mac80211/patches/810-b43_no_pio.patch
@@ -0,0 +1,86 @@
+--- a/drivers/net/wireless/b43/Makefile
++++ b/drivers/net/wireless/b43/Makefile
+@@ -17,7 +17,7 @@ b43-$(CPTCFG_B43_PHY_AC)	+= phy_ac.o
+ b43-y				+= sysfs.o
+ b43-y				+= xmit.o
+ b43-y				+= dma.o
+-b43-y				+= pio.o
++b43-$(CPTCFG_B43_PIO)		+= pio.o
+ b43-y				+= rfkill.o
+ b43-y				+= ppr.o
+ b43-$(CPTCFG_B43_LEDS)		+= leds.o
+--- a/drivers/net/wireless/b43/main.c
++++ b/drivers/net/wireless/b43/main.c
+@@ -2009,10 +2009,12 @@ static void b43_do_interrupt_thread(stru
+ 			dma_reason[0], dma_reason[1],
+ 			dma_reason[2], dma_reason[3],
+ 			dma_reason[4], dma_reason[5]);
++#ifdef CPTCFG_B43_PIO
+ 		b43err(dev->wl, "This device does not support DMA "
+ 			       "on your system. It will now be switched to PIO.\n");
+ 		/* Fall back to PIO transfers if we get fatal DMA errors! */
+ 		dev->use_pio = true;
++#endif
+ 		b43_controller_restart(dev, "DMA error");
+ 		return;
+ 	}
+--- a/drivers/net/wireless/b43/pio.h
++++ b/drivers/net/wireless/b43/pio.h
+@@ -150,7 +150,7 @@ static inline void b43_piorx_write32(str
+ 	b43_write32(q->dev, q->mmio_base + offset, value);
+ }
+ 
+-
++#ifdef CPTCFG_B43_PIO
+ 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;
++}
++
++static inline void b43_pio_free(struct b43_wldev *dev)
++{
++}
++
++static inline int b43_pio_tx(struct b43_wldev *dev, struct sk_buff *skb)
++{
++	return 0;
++}
++
++static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
++					   const struct b43_txstatus *status)
++{
++}
++
++static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
++{
++}
++
++static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
++{
++}
++
++static inline void b43_pio_tx_resume(struct b43_wldev *dev)
++{
++}
++#endif /* CPTCFG_B43_PIO */
+ 
+ #endif /* B43_PIO_H_ */
+--- a/drivers/net/wireless/b43/Kconfig
++++ b/drivers/net/wireless/b43/Kconfig
+@@ -118,7 +118,7 @@ config B43_BCMA_PIO
+ 	default y
+ 
+ config B43_PIO
+-	bool
++	bool "Broadcom 43xx PIO support"
+ 	depends on B43 && B43_SSB
+ 	select SSB_BLOCKIO
+ 	default y
-- 
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