[PATCH 4/9] b43: N-PHY: implement reading support for radio 0x2057
Rafał Miłecki
zajec5 at gmail.com
Sun Apr 20 04:05:46 PDT 2014
Bit 0x200 has been noticed in the following log:
radio_read(0x02ca) -> 0x0000
radio_write(0x00ca) <- 0x0080
Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
drivers/net/wireless/b43/phy_n.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index cbeb299..3d13e73 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -5522,8 +5522,11 @@ 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);
- /* N-PHY needs 0x100 for read access */
- reg |= 0x100;
+
+ if (dev->phy.rev >= 7)
+ reg |= 0x200; /* Radio 0x2057 */
+ else
+ reg |= 0x100;
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
--
1.8.4.5
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