diff options
Diffstat (limited to 'package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch | 59 |
1 files changed, 35 insertions, 24 deletions
diff --git a/package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch b/package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch index 5c50bbc62d..5ec2f4b2d4 100644 --- a/package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch +++ b/package/kernel/mac80211/patches/830-b43-workaround-pcie-bcm4716.patch @@ -19,28 +19,12 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h -@@ -1054,6 +1054,31 @@ static inline bool b43_using_pio_transfe +@@ -1054,6 +1054,15 @@ static inline bool b43_using_pio_transfe return dev->__using_pio_transfers; } -+/* -+ * bcm4716 (which includes 4717 & 4718), plus 4706 on PCIe can reorder -+ * transactions. As a fix, a read after write is performed on certain places -+ * in the code. Older chips and the newer 5357 family don't require this fix. -+ */ +#ifdef CONFIG_BCM47XX_BCMA -+#include <asm/mach-bcm47xx/bcm47xx.h> -+static inline void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value) -+{ -+ if (b43_bus_host_is_pci(dev->dev) && -+ bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA && -+ bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716) { -+ b43_write16(dev, offset, value); -+ b43_read16(dev, offset); -+ } else { -+ b43_write16(dev, offset, value); -+ } -+} ++void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value); +#else +static inline void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value) +{ @@ -74,7 +58,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> struct b43_bus_dev *b43_bus_dev_ssb_init(struct ssb_device *sdev); --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c -@@ -4464,7 +4464,7 @@ static int b43_phy_versioning(struct b43 +@@ -4481,7 +4481,7 @@ static int b43_phy_versioning(struct b43 u16 radio24[3]; for (tmp = 0; tmp < 3; tmp++) { @@ -83,7 +67,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> radio24[tmp] = b43_read16(dev, B43_MMIO_RADIO24_DATA); } -@@ -4481,10 +4481,10 @@ static int b43_phy_versioning(struct b43 +@@ -4498,10 +4498,10 @@ static int b43_phy_versioning(struct b43 else tmp = 0x5205017F; } else { @@ -96,6 +80,33 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> B43_RADIOCTL_ID); tmp |= (u32)b43_read16(dev, B43_MMIO_RADIO_DATA_HIGH) << 16; +@@ -4576,6 +4576,26 @@ static int b43_phy_versioning(struct b43 + return 0; + } + ++/* ++ * bcm4716 (which includes 4717 & 4718), plus 4706 on PCIe can reorder ++ * transactions. As a fix, a read after write is performed on certain places ++ * in the code. Older chips and the newer 5357 family don't require this fix. ++ */ ++#ifdef CONFIG_BCM47XX_BCMA ++#include <asm/mach-bcm47xx/bcm47xx.h> ++void b43_wflush16(struct b43_wldev *dev, u16 offset, u16 value) ++{ ++ if (b43_bus_host_is_pci(dev->dev) && ++ bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA && ++ bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4716) { ++ b43_write16(dev, offset, value); ++ b43_read16(dev, offset); ++ } else { ++ b43_write16(dev, offset, value); ++ } ++} ++#endif ++ + static void setup_struct_phy_for_init(struct b43_wldev *dev, + struct b43_phy *phy) + { --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -275,6 +275,12 @@ void b43_phy_write(struct b43_wldev *dev @@ -199,7 +210,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c -@@ -6494,14 +6494,14 @@ static inline void check_phyreg(struct b +@@ -6500,14 +6500,14 @@ static inline void check_phyreg(struct b static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg) { check_phyreg(dev, reg); @@ -216,7 +227,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> b43_write16(dev, B43_MMIO_PHY_DATA, value); } -@@ -6509,7 +6509,7 @@ static void b43_nphy_op_maskset(struct b +@@ -6515,7 +6515,7 @@ static void b43_nphy_op_maskset(struct b u16 set) { check_phyreg(dev, reg); @@ -225,7 +236,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set); } -@@ -6523,7 +6523,7 @@ static u16 b43_nphy_op_radio_read(struct +@@ -6529,7 +6529,7 @@ static u16 b43_nphy_op_radio_read(struct else reg |= 0x100; @@ -234,7 +245,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); } -@@ -6532,7 +6532,7 @@ static void b43_nphy_op_radio_write(stru +@@ -6538,7 +6538,7 @@ static void b43_nphy_op_radio_write(stru /* Register 1 is a 32-bit register. */ B43_WARN_ON(dev->phy.rev < 7 && reg == 1); |