if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3)
return -EINVAL;
- hwif = ide_find_port(base);
+ hwif = ide_find_port();
if (hwif == NULL)
return -ENOENT;
int i;
for (i = 0; i < MAX_HWIFS; i++) {
- ide_hwif_t *hwif = &ide_hwifs[i];
+ ide_hwif_t *hwif;
unsigned long io_addr = ide_default_io_base(i);
hw_regs_t hw;
- if (hwif->chipset == ide_unknown && io_addr) {
+ idx[i] = 0xff;
+
+ if (io_addr) {
+ if (!request_region(io_addr, 8, DRV_NAME)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
+ "not free.\n",
+ DRV_NAME, io_addr, io_addr + 7);
+ continue;
+ }
+
+ if (!request_region(io_addr + 0x206, 1, DRV_NAME)) {
+ printk(KERN_ERR "%s: I/O resource 0x%lX "
+ "not free.\n",
+ DRV_NAME, io_addr + 0x206);
+ release_region(io_addr, 8);
+ continue;
+ }
+
+ /*
+ * Skip probing if the corresponding
+ * slot is already occupied.
+ */
+ hwif = ide_find_port();
+ if (hwif == NULL || hwif->index != i) {
+ idx[i] = 0xff;
+ continue;
+ }
+
memset(&hw, 0, sizeof(hw));
ide_std_init_ports(&hw, io_addr, io_addr + 0x206);
hw.irq = ide_default_irq(io_addr);
ide_init_port_hw(hwif, &hw);
idx[i] = i;
- } else
- idx[i] = 0xff;
+ }
}
ide_device_add_all(idx, NULL);