void
scsi_unregister(struct Scsi_Host * sh){
struct Scsi_Host * shpnt;
if(scsi_hostlist == sh)
scsi_hostlist = sh->next;
else {
shpnt = scsi_hostlist;
while(shpnt->next != sh) shpnt = shpnt->next;
shpnt->next = shpnt->next->next;
}
/* If we are removing the last host registered, it is safe to reuse
* its host number (this avoids "holes" at boot time) (DB)
* It is also safe to reuse those of numbers directly below which have
* been released earlier (to avoid some holes in numbering).
*/
if(sh->host_no == max_scsi_hosts - 1) {
while(--max_scsi_hosts >= next_scsi_host) {
shpnt = scsi_hostlist;
while(shpnt && shpnt->host_no != max_scsi_hosts - 1)
shpnt = shpnt->next;
if(shpnt)
break;
}
}
next_scsi_host--;
scsi_init_free((char *) sh, sizeof(struct Scsi_Host) + sh->extra_bytes);
}
void cleanup_module( void)
{
scsi_unregister_module(MODULE_SCSI_DEV, &sg_template);
unregister_chrdev(SCSI_GENERIC_MAJOR, "sg");
if(scsi_generics != NULL) {
scsi_init_free((char *) scsi_generics,
(sg_template.dev_noticed + SG_EXTRA_DEVS)
* sizeof(struct scsi_generic));
}
sg_template.dev_max = 0;
#ifdef SG_BIG_BUFF
if(big_buff != NULL)
scsi_init_free(big_buff, SG_BIG_BUFF);
#endif
}
int atari_scsi_release (struct Scsi_Host *sh)
{
if (IS_A_TT())
remove_isr (IRQ_TT_MFP_SCSI, scsi_tt_intr, NULL);
if (atari_dma_buffer)
scsi_init_free (atari_dma_buffer, STRAM_BUFFER_SIZE);
return 1;
}