diff options
| author | Michael Buesch <mb@bu3sch.de> | 2009-02-20 15:39:21 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-02-27 20:52:51 +0100 |
| commit | 25d3ef59a2112d50e145500e1bc764f9e8fd4896 (patch) | |
| tree | 2aad0f5d67ef796600dd04ac7f2cc52bf75b57f7 /drivers | |
| parent | mac80211: Add software scan notifiers (diff) | |
| download | linux-25d3ef59a2112d50e145500e1bc764f9e8fd4896.tar.xz linux-25d3ef59a2112d50e145500e1bc764f9e8fd4896.zip | |
b43: Implement sw scan callbacks
This implements the new sw scan callbacks in b43.
They are currently used to turn CFP update in the microcode off while scanning.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index ef514827a8d5..6d52bae4932e 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4182,6 +4182,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev) if ((bus->bustype == SSB_BUSTYPE_PCI) && (bus->pcicore.dev->id.revision <= 10)) hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */ + hf &= ~B43_HF_SKCFPUP; b43_hf_write(dev, hf); b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT, @@ -4404,6 +4405,34 @@ static void b43_op_sta_notify(struct ieee80211_hw *hw, B43_WARN_ON(!vif || wl->vif != vif); } +static void b43_op_sw_scan_start_notifier(struct ieee80211_hw *hw) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + struct b43_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { + /* Disable CFP update during scan on other channels. */ + b43_hf_write(dev, b43_hf_read(dev) | B43_HF_SKCFPUP); + } + mutex_unlock(&wl->mutex); +} + +static void b43_op_sw_scan_complete_notifier(struct ieee80211_hw *hw) +{ + struct b43_wl *wl = hw_to_b43_wl(hw); + struct b43_wldev *dev; + + mutex_lock(&wl->mutex); + dev = wl->current_dev; + if (dev && (b43_status(dev) >= B43_STAT_INITIALIZED)) { + /* Re-enable CFP update. */ + b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_SKCFPUP); + } + mutex_unlock(&wl->mutex); +} + static const struct ieee80211_ops b43_hw_ops = { .tx = b43_op_tx, .conf_tx = b43_op_conf_tx, @@ -4422,6 +4451,8 @@ static const struct ieee80211_ops b43_hw_ops = { .stop = b43_op_stop, .set_tim = b43_op_beacon_set_tim, .sta_notify = b43_op_sta_notify, + .sw_scan_start = b43_op_sw_scan_start_notifier, + .sw_scan_complete = b43_op_sw_scan_complete_notifier, }; /* Hard-reset the chip. Do not call this directly. |