1 // SPDX-License-Identifier: GPL-2.0-only
2 #include <linux/kernel.h>
3 #include <linux/export.h>
6 static void ide_legacy_init_one(struct ide_hw **hws, struct ide_hw *hw,
7 u8 port_no, const struct ide_port_info *d,
10 unsigned long base, ctl;
23 if (!request_region(base, 8, d->name)) {
24 printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
25 d->name, base, base + 7);
29 if (!request_region(ctl, 1, d->name)) {
30 printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
32 release_region(base, 8);
36 ide_std_init_ports(hw, base, ctl);
43 int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
45 struct ide_hw hw[2], *hws[] = { NULL, NULL };
47 memset(&hw, 0, sizeof(hw));
49 if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
50 ide_legacy_init_one(hws, &hw[0], 0, d, config);
51 ide_legacy_init_one(hws, &hw[1], 1, d, config);
53 if (hws[0] == NULL && hws[1] == NULL &&
54 (d->host_flags & IDE_HFLAG_SINGLE))
57 return ide_host_add(d, hws, 2, NULL);
59 EXPORT_SYMBOL_GPL(ide_legacy_device_add);