void b43legacy_rfkill_poll(struct ieee80211_hw *hw) { struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw); struct b43legacy_wldev *dev = wl->current_dev; struct ssb_bus *bus = dev->dev->bus; bool enabled; bool brought_up = false; mutex_lock(&wl->mutex); if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) { if (ssb_bus_powerup(bus, 0)) { mutex_unlock(&wl->mutex); return; } ssb_device_enable(dev->dev, 0); brought_up = true; } enabled = b43legacy_is_hw_radio_enabled(dev); if (unlikely(enabled != dev->radio_hw_enable)) { dev->radio_hw_enable = enabled; b43legacyinfo(wl, "Radio hardware status changed to %s\n", enabled ? "ENABLED" : "DISABLED"); wiphy_rfkill_set_hw_state(hw->wiphy, !enabled); if (enabled != dev->phy.radio_on) { if (enabled) b43legacy_radio_turn_on(dev); else b43legacy_radio_turn_off(dev, 0); } } if (brought_up) { ssb_device_disable(dev->dev, 0); ssb_bus_may_powerdown(bus); } mutex_unlock(&wl->mutex); }
static int b43_bus_ssb_bus_powerup(struct b43_bus_dev *dev, bool dynamic_pctl) { return ssb_bus_powerup(dev->sdev->bus, dynamic_pctl); }