void
dma_cleanup (void)
{
int i;
unregister_chrdev (DMA_MAJOR, "dma-core");
//pliu: 2007021201
#ifdef TWEAK_DMA_BUFFER_RING_SIZE
if ( g_desc_list_backup )
kfree(g_desc_list_backup);
for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++){
if (dma_chan[i].opt){
kfree(dma_chan[i].opt);
dma_chan[i].opt = (void *) NULL;
}
}
#else
// free_page (KSEG0ADDR ((unsigned long) g_desc_list));
if ( g_desc_list_backup )
kfree(g_desc_list_backup);
#endif
remove_proc_entry ("channel_weight", g_danube_dma_dir);
remove_proc_entry ("dma_list", g_danube_dma_dir);
remove_proc_entry ("dma_register", g_danube_dma_dir);
remove_proc_entry ("danube_dma", NULL);
/*release the resources */
for (i = 0; i < MAX_DMA_CHANNEL_NUM; i++)
free_irq (dma_chan[i].irq, (void *) &dma_interrupt);
proc_file_delete();
}
static void __exit ifx_rcu_exit(void)
{
ifx_rcu_handler_t *p_cur, *p_free;
int i;
proc_file_delete();
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,32)
if ( unregister_chrdev(IFX_RCU_MAJOR, "ifx_rcu") ) {
err("Can not register RCU device (major %d)!", IFX_RCU_MAJOR);
return;
}
#else
unregister_chrdev(IFX_RCU_MAJOR, "ifx_rcu");
#endif
for ( i = 0; i < NUM_ENTITY(g_rcu_domains); i++ ) {
for ( p_free = p_cur = g_rcu_domains[i].handlers; p_cur != NULL; p_free = p_cur) {
p_cur = p_cur->next;
kfree(p_free);
}
}
}