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authorRafał Miłecki <zajec5@gmail.com>2014-07-08 15:11:04 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-07-15 15:51:36 -0400
commit0933ecf9ab1f0ff7ae1ff4309aee0b909fc785d9 (patch)
tree2dcc1d462c3e0965ec01109b645ca33edb4c9f81
parent88d825bffd3d537350d0000b7ef15cb00532d417 (diff)
downloadop-kernel-dev-0933ecf9ab1f0ff7ae1ff4309aee0b909fc785d9.zip
op-kernel-dev-0933ecf9ab1f0ff7ae1ff4309aee0b909fc785d9.tar.gz
b43: N-PHY: drop reg 0x1 access restriction on new PHY revs
Initialization of N-PHY radio revs 5 and 7 requires writing to 0x1. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/b43/phy_n.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 50ca6f8..1dba640 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -5834,7 +5834,7 @@ static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
/* Register 1 is a 32-bit register. */
- B43_WARN_ON(reg == 1);
+ B43_WARN_ON(dev->phy.rev < 7 && reg == 1);
if (dev->phy.rev >= 7)
reg |= 0x200; /* Radio 0x2057 */
@@ -5848,7 +5848,7 @@ static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
/* Register 1 is a 32-bit register. */
- B43_WARN_ON(reg == 1);
+ B43_WARN_ON(dev->phy.rev < 7 && reg == 1);
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
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