Old masks were causing ugly, delayed lock ups.
Signed-off-by: Rafał Miłecki <[email protected]>
---
V2: Explain why we do such a dummy operations like: write(read() & 0).
Put cleaning this as TODO. We should wait with cleaning until having BCM4331
working at all.
---
drivers/net/wireless/b43/phy_ht.c | 15 ++++++++++-----
1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_ht.c
b/drivers/net/wireless/b43/phy_ht.c
index 2982103..85a30af 100644
--- a/drivers/net/wireless/b43/phy_ht.c
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -276,13 +276,18 @@ static void b43_phy_ht_op_software_rfkill(struct
b43_wldev *dev,
if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
b43err(dev->wl, "MAC not suspended\n");
+ /* In the following PHY ops we copy wl's dummy behaviour.
+ * TODO: Find out if reads (currently hidden in masks/masksets) are
+ * needed and replace following ops with just writes or w&r.
+ * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
+ * cause delayed (!) machine lock up. */
if (blocked) {
- b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, ~0);
+ b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
} else {
- b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, ~0);
- b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, ~0, 0x1);
- b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, ~0);
- b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, ~0, 0x2);
+ b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
+ b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
+ b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
+ b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);
if (dev->phy.radio_ver == 0x2059)
b43_radio_2059_init(dev);
--
1.7.3.4
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