ide: move legacy ISA/VLB ports handling to ide-legacy.c (v2)

* Move legacy ISA/VLB ports handling from ide-probe.c to ide-legacy.c.

* Add CONFIG_IDE_LEGACY config option to be selected by host drivers
  needing ide-legacy.c.

v2:
Fix CONFIG_IDE_LEGACY not being defined in Kconfig.
(from Takashi Iwai <tiwai@suse.de>)

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 0 insertions, 56 deletions

diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 6d11f180bd1f..2333a5a83519 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1755,59 +1755,3 @@ void ide_port_scan(ide_hwif_t *hwif)
         ide_proc_port_register_devices(hwif);
 }
 EXPORT_SYMBOL_GPL(ide_port_scan);
-
-static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw,
-                                u8 port_no, const struct ide_port_info *d,
-                                unsigned long config)
-{
-        unsigned long base, ctl;
-        int irq;
-
-        if (port_no == 0) {
-                base = 0x1f0;
-                ctl  = 0x3f6;
-                irq  = 14;
-        } else {
-                base = 0x170;
-                ctl  = 0x376;
-                irq  = 15;
-        }
-
-        if (!request_region(base, 8, d->name)) {
-                printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n",
-                                d->name, base, base + 7);
-                return;
-        }
-
-        if (!request_region(ctl, 1, d->name)) {
-                printk(KERN_ERR "%s: I/O resource 0x%lX not free.\n",
-                                d->name, ctl);
-                release_region(base, 8);
-                return;
-        }
-
-        ide_std_init_ports(hw, base, ctl);
-        hw->irq = irq;
-        hw->chipset = d->chipset;
-        hw->config = config;
-
-        hws[port_no] = hw;
-}
-
-int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
-{
-        hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
-
-        memset(&hw, 0, sizeof(hw));
-
-        if ((d->host_flags & IDE_HFLAG_QD_2ND_PORT) == 0)
-                ide_legacy_init_one(hws, &hw[0], 0, d, config);
-        ide_legacy_init_one(hws, &hw[1], 1, d, config);
-
-        if (hws[0] == NULL && hws[1] == NULL &&
-            (d->host_flags & IDE_HFLAG_SINGLE))
-                return -ENOENT;
-
-        return ide_host_add(d, hws, NULL);
-}
-EXPORT_SYMBOL_GPL(ide_legacy_device_add);