static int cvm_oct_driver_remove(struct platform_device *dev)
{
int port;
/* Disable POW interrupt */
cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0);
cvmx_ipd_disable();
/* Free the interrupt handler */
free_irq(OCTEON_IRQ_WORKQ0 + pow_receive_group, cvm_oct_device);
atomic_inc_return(&cvm_oct_poll_queue_stopping);
cancel_delayed_work_sync(&cvm_oct_rx_refill_work);
cvm_oct_rx_shutdown();
cvm_oct_tx_shutdown();
cvmx_pko_disable();
/* Free the ethernet devices */
for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
if (cvm_oct_device[port]) {
struct net_device *dev = cvm_oct_device[port];
struct octeon_ethernet *priv = netdev_priv(dev);
cancel_delayed_work_sync(&priv->port_periodic_work);
cvm_oct_tx_shutdown_dev(dev);
unregister_netdev(dev);
free_netdev(dev);
cvm_oct_device[port] = NULL;
}
}
destroy_workqueue(cvm_oct_poll_queue);
cvmx_pko_shutdown();
cvmx_ipd_free_ptr();
/* Free the HW pools */
cvm_oct_mem_empty_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE,
num_packet_buffers);
cvm_oct_mem_empty_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE,
num_packet_buffers);
if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL,
CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, 128);
cvmx_fpa_disable();
return 0;
}
/**
* Module / driver shutdown
*
* @return Zero on success
*/
void cvm_oct_cleanup_module(device_t bus)
{
int port;
struct octebus_softc *sc = device_get_softc(bus);
/* Disable POW interrupt */
cvmx_write_csr(CVMX_POW_WQ_INT_THRX(pow_receive_group), 0);
/* Free the interrupt handler */
bus_teardown_intr(bus, sc->sc_rx_irq, sc->sc_rx_intr_cookie);
callout_stop(&cvm_oct_poll_timer);
cvm_oct_rx_shutdown();
cvmx_helper_shutdown_packet_io_global();
/* Free the ethernet devices */
for (port = 0; port < TOTAL_NUMBER_OF_PORTS; port++) {
if (cvm_oct_device[port]) {
cvm_oct_tx_shutdown(cvm_oct_device[port]);
#if 0
unregister_netdev(cvm_oct_device[port]);
kfree(cvm_oct_device[port]);
#else
panic("%s: need to detach and free interface.", __func__);
#endif
cvm_oct_device[port] = NULL;
}
}
/* Free the HW pools */
cvm_oct_mem_empty_fpa(CVMX_FPA_PACKET_POOL, CVMX_FPA_PACKET_POOL_SIZE, num_packet_buffers);
cvm_oct_mem_empty_fpa(CVMX_FPA_WQE_POOL, CVMX_FPA_WQE_POOL_SIZE, num_packet_buffers);
if (CVMX_FPA_OUTPUT_BUFFER_POOL != CVMX_FPA_PACKET_POOL)
cvm_oct_mem_empty_fpa(CVMX_FPA_OUTPUT_BUFFER_POOL, CVMX_FPA_OUTPUT_BUFFER_POOL_SIZE, cvm_oct_num_output_buffers);
/* Disable FPA, all buffers are free, not done by helper shutdown. */
cvmx_fpa_disable();
}
