//return 0 means success
static int probe(struct pci_dev *dev, const struct pci_device_id *id)
{
/* Do probing type stuff here. Like calling request_region(); */
//lin: unsigned char revision_id;
unsigned long len;
void __iomem *addressio;
int bar ;
if(skel_get_revision(dev) != MEM_PCI_REVISION_ID)
return 1;
if (pci_enable_device(dev) < 0) {
return 1;
}
bar = 1;
//lin: resource_size_t start = pci_resource_start(dev, bar);
len = pci_resource_len(dev, bar);
//lin: unsigned long flags = pci_resource_flags(dev, bar);
addressio = pci_iomap(dev,bar,len);
if (addressio == NULL) {
return 1;
}
//*(byte *)addressio = 0x57;
//iowrite8(0x89,addressio + 8);
//printk("%x\n",ioread8(addressio + 8));
//printk("%x\n",*(byte *)addressio);
iowrite8(0x89,addressio + 0);
printk("%x\n",ioread8(addressio + 0));
iowrite16(0x50,addressio + 8);
printk("%x\n",ioread16(addressio + 8));
printk("len=%ld\n",len);
return 0;
}
static int probe(struct pci_dev *dev, const struct pci_device_id *id)
{
/* Do probing type stuff here.
* Like calling request_region();
*/
pci_enable_device(dev);
if (skel_get_revision(dev) == 0x42)
return -ENODEV;
return 0;
}
