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@ -1,4 +1,4 @@ |
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From 8a0e33bd81eafd86252acf7d7ff1bd5362208d7a Mon Sep 17 00:00:00 2001
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From 4f214b1ead0af7439921637645cb63f378516175 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 21 Jan 2012 18:48:38 +0100
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Date: Sat, 21 Jan 2012 18:48:38 +0100
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Subject: [PATCH 33/34] b43: add workaround for b43 on pcie bus of bcm4716.
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Subject: [PATCH 33/34] b43: add workaround for b43 on pcie bus of bcm4716.
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@ -11,15 +11,15 @@ This code is based on the brcmsmac driver. |
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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---
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---
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drivers/net/wireless/b43/b43.h | 25 +++++++++++++++++++++++++
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drivers/net/wireless/b43/b43.h | 26 ++++++++++++++++++++++++++
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drivers/net/wireless/b43/bus.h | 10 ++++++++++
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drivers/net/wireless/b43/bus.h | 10 ++++++++++
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drivers/net/wireless/b43/phy_common.c | 6 ++++++
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drivers/net/wireless/b43/phy_common.c | 6 ++++++
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drivers/net/wireless/b43/phy_n.c | 10 +++++-----
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drivers/net/wireless/b43/phy_n.c | 10 +++++-----
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4 files changed, 46 insertions(+), 5 deletions(-)
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4 files changed, 47 insertions(+), 5 deletions(-)
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--- a/drivers/net/wireless/b43/b43.h
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--- a/drivers/net/wireless/b43/b43.h
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+++ b/drivers/net/wireless/b43/b43.h
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+++ b/drivers/net/wireless/b43/b43.h
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@@ -1016,6 +1016,31 @@ static inline bool b43_using_pio_transfe
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@@ -1016,6 +1016,32 @@ static inline bool b43_using_pio_transfe
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return dev->__using_pio_transfers;
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return dev->__using_pio_transfers;
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}
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}
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@ -28,11 +28,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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+ * transactions. As a fix, a read after write is performed on certain places
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+ * transactions. As a fix, a read after write is performed on certain places
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+ * in the code. Older chips and the newer 5357 family don't require this fix.
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+ * in the code. Older chips and the newer 5357 family don't require this fix.
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+ */
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+ */
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+#ifdef CONFIG_BCM47XX
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+#ifdef CONFIG_BCM47XX_BCMA
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+#include <asm/mach-bcm47xx/bcm47xx.h>
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+#include <asm/mach-bcm47xx/bcm47xx.h>
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+static inline void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value)
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+static inline void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value)
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+{
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+{
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+ if (b43_bus_host_is_pci(dev->dev) &&
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+ if (b43_bus_host_is_pci(dev->dev) &&
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+ bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA &&
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+ (bcm47xx_bus.bcma.bus.chipinfo.id == 0x4716 ||
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+ (bcm47xx_bus.bcma.bus.chipinfo.id == 0x4716 ||
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+ bcm47xx_bus.bcma.bus.chipinfo.id == 0x5300)) {
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+ bcm47xx_bus.bcma.bus.chipinfo.id == 0x5300)) {
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+ b43_write16(dev, offset, value);
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+ b43_write16(dev, offset, value);
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