diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2400pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2400pci.c | 54 |
1 files changed, 38 insertions, 16 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 25e9dcf65c4e..116244b72371 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -879,7 +879,8 @@ static void rt2400pci_toggle_rx(struct rt2x00_dev *rt2x00dev, static void rt2400pci_toggle_irq(struct rt2x00_dev *rt2x00dev, enum dev_state state) { - int mask = (state == STATE_RADIO_IRQ_OFF); + int mask = (state == STATE_RADIO_IRQ_OFF) || + (state == STATE_RADIO_IRQ_OFF_ISR); u32 reg; /* @@ -980,7 +981,9 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, rt2400pci_toggle_rx(rt2x00dev, state); break; case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_ON_ISR: case STATE_RADIO_IRQ_OFF: + case STATE_RADIO_IRQ_OFF_ISR: rt2400pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: @@ -1235,23 +1238,10 @@ static void rt2400pci_txdone(struct rt2x00_dev *rt2x00dev, } } -static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) +static irqreturn_t rt2400pci_interrupt_thread(int irq, void *dev_instance) { struct rt2x00_dev *rt2x00dev = dev_instance; - u32 reg; - - /* - * Get the interrupt sources & saved to local variable. - * Write register value back to clear pending interrupts. - */ - rt2x00pci_register_read(rt2x00dev, CSR7, ®); - rt2x00pci_register_write(rt2x00dev, CSR7, reg); - - if (!reg) - return IRQ_NONE; - - if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) - return IRQ_HANDLED; + u32 reg = rt2x00dev->irqvalue[0]; /* * Handle interrupts, walk through all bits @@ -1289,9 +1279,40 @@ static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) if (rt2x00_get_field32(reg, CSR7_TXDONE_TXRING)) rt2400pci_txdone(rt2x00dev, QID_AC_BK); + /* Enable interrupts again. */ + rt2x00dev->ops->lib->set_device_state(rt2x00dev, + STATE_RADIO_IRQ_ON_ISR); return IRQ_HANDLED; } +static irqreturn_t rt2400pci_interrupt(int irq, void *dev_instance) +{ + struct rt2x00_dev *rt2x00dev = dev_instance; + u32 reg; + + /* + * Get the interrupt sources & saved to local variable. + * Write register value back to clear pending interrupts. + */ + rt2x00pci_register_read(rt2x00dev, CSR7, ®); + rt2x00pci_register_write(rt2x00dev, CSR7, reg); + + if (!reg) + return IRQ_NONE; + + if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags)) + return IRQ_HANDLED; + + /* Store irqvalues for use in the interrupt thread. */ + rt2x00dev->irqvalue[0] = reg; + + /* Disable interrupts, will be enabled again in the interrupt thread. */ + rt2x00dev->ops->lib->set_device_state(rt2x00dev, + STATE_RADIO_IRQ_OFF_ISR); + + return IRQ_WAKE_THREAD; +} + /* * Device probe functions. */ @@ -1581,6 +1602,7 @@ static const struct ieee80211_ops rt2400pci_mac80211_ops = { static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { .irq_handler = rt2400pci_interrupt, + .irq_handler_thread = rt2400pci_interrupt_thread, .probe_hw = rt2400pci_probe_hw, .initialize = rt2x00pci_initialize, .uninitialize = rt2x00pci_uninitialize, |