static irqreturn_t p54p_interrupt(int irq, void *dev_id)
{
struct ieee80211_hw *dev = dev_id;
struct p54p_priv *priv = dev->priv;
struct p54p_ring_control *ring_control = priv->ring_control;
__le32 reg;
spin_lock(&priv->lock);
reg = P54P_READ(int_ident);
if (unlikely(reg == cpu_to_le32(0xFFFFFFFF))) {
spin_unlock(&priv->lock);
return IRQ_HANDLED;
}
P54P_WRITE(int_ack, reg);
reg &= P54P_READ(int_enable);
if (reg & cpu_to_le32(ISL38XX_INT_IDENT_UPDATE)) {
p54p_check_tx_ring(dev, &priv->tx_idx_mgmt,
3, ring_control->tx_mgmt,
ARRAY_SIZE(ring_control->tx_mgmt),
priv->tx_buf_mgmt);
p54p_check_tx_ring(dev, &priv->tx_idx_data,
1, ring_control->tx_data,
ARRAY_SIZE(ring_control->tx_data),
priv->tx_buf_data);
tasklet_schedule(&priv->rx_tasklet);
} else if (reg & cpu_to_le32(ISL38XX_INT_IDENT_INIT))
complete(&priv->boot_comp);
spin_unlock(&priv->lock);
return reg ? IRQ_HANDLED : IRQ_NONE;
}
static void p54p_tasklet(unsigned long dev_id)
{
struct ieee80211_hw *dev = (struct ieee80211_hw *)dev_id;
struct p54p_priv *priv = dev->priv;
struct p54p_ring_control *ring_control = priv->ring_control;
p54p_check_tx_ring(dev, &priv->tx_idx_mgmt, 3, ring_control->tx_mgmt,
ARRAY_SIZE(ring_control->tx_mgmt),
priv->tx_buf_mgmt);
p54p_check_tx_ring(dev, &priv->tx_idx_data, 1, ring_control->tx_data,
ARRAY_SIZE(ring_control->tx_data),
priv->tx_buf_data);
p54p_check_rx_ring(dev, &priv->rx_idx_mgmt, 2, ring_control->rx_mgmt,
ARRAY_SIZE(ring_control->rx_mgmt), priv->rx_buf_mgmt);
p54p_check_rx_ring(dev, &priv->rx_idx_data, 0, ring_control->rx_data,
ARRAY_SIZE(ring_control->rx_data), priv->rx_buf_data);
wmb();
P54P_WRITE(dev_int, cpu_to_le32(ISL38XX_DEV_INT_UPDATE));
}
