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path: root/drivers/ide/ide.c
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Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 6538b63158bf..c1bb0f6784a9 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -60,154 +60,8 @@
#include <linux/completion.h>
#include <linux/device.h>
-
-/* default maximum number of failures */
-#define IDE_DEFAULT_MAX_FAILURES 1
-
struct class *ide_port_class;
-static const u8 ide_hwif_to_major[] = { IDE0_MAJOR, IDE1_MAJOR,
- IDE2_MAJOR, IDE3_MAJOR,
- IDE4_MAJOR, IDE5_MAJOR,
- IDE6_MAJOR, IDE7_MAJOR,
- IDE8_MAJOR, IDE9_MAJOR };
-
-DEFINE_MUTEX(ide_cfg_mtx);
-
-static void ide_port_init_devices_data(ide_hwif_t *);
-
-/*
- * Do not even *think* about calling this!
- */
-void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
-{
- /* bulk initialize hwif & drive info with zeros */
- memset(hwif, 0, sizeof(ide_hwif_t));
-
- /* fill in any non-zero initial values */
- hwif->index = index;
- hwif->major = ide_hwif_to_major[index];
-
- hwif->name[0] = 'i';
- hwif->name[1] = 'd';
- hwif->name[2] = 'e';
- hwif->name[3] = '0' + index;
-
- init_completion(&hwif->gendev_rel_comp);
-
- hwif->tp_ops = &default_tp_ops;
-
- ide_port_init_devices_data(hwif);
-}
-
-static void ide_port_init_devices_data(ide_hwif_t *hwif)
-{
- int unit;
-
- for (unit = 0; unit < MAX_DRIVES; ++unit) {
- ide_drive_t *drive = &hwif->drives[unit];
- u8 j = (hwif->index * MAX_DRIVES) + unit;
-
- memset(drive, 0, sizeof(*drive));
-
- drive->media = ide_disk;
- drive->select = (unit << 4) | ATA_DEVICE_OBS;
- drive->hwif = hwif;
- drive->ready_stat = ATA_DRDY;
- drive->bad_wstat = BAD_W_STAT;
- drive->special.b.recalibrate = 1;
- drive->special.b.set_geometry = 1;
- drive->name[0] = 'h';
- drive->name[1] = 'd';
- drive->name[2] = 'a' + j;
- drive->max_failures = IDE_DEFAULT_MAX_FAILURES;
-
- INIT_LIST_HEAD(&drive->list);
- init_completion(&drive->gendev_rel_comp);
- }
-}
-
-static void __ide_port_unregister_devices(ide_hwif_t *hwif)
-{
- int i;
-
- for (i = 0; i < MAX_DRIVES; i++) {
- ide_drive_t *drive = &hwif->drives[i];
-
- if (drive->dev_flags & IDE_DFLAG_PRESENT) {
- device_unregister(&drive->gendev);
- wait_for_completion(&drive->gendev_rel_comp);
- }
- }
-}
-
-void ide_port_unregister_devices(ide_hwif_t *hwif)
-{
- mutex_lock(&ide_cfg_mtx);
- __ide_port_unregister_devices(hwif);
- hwif->present = 0;
- ide_port_init_devices_data(hwif);
- mutex_unlock(&ide_cfg_mtx);
-}
-EXPORT_SYMBOL_GPL(ide_port_unregister_devices);
-
-/**
- * ide_unregister - free an IDE interface
- * @hwif: IDE interface
- *
- * Perform the final unregister of an IDE interface.
- *
- * Locking:
- * The caller must not hold the IDE locks.
- *
- * It is up to the caller to be sure there is no pending I/O here,
- * and that the interface will not be reopened (present/vanishing
- * locking isn't yet done BTW).
- */
-
-void ide_unregister(ide_hwif_t *hwif)
-{
- BUG_ON(in_interrupt());
- BUG_ON(irqs_disabled());
-
- mutex_lock(&ide_cfg_mtx);
-
- if (hwif->present) {
- __ide_port_unregister_devices(hwif);
- hwif->present = 0;
- }
-
- ide_proc_unregister_port(hwif);
-
- free_irq(hwif->irq, hwif);
-
- device_unregister(hwif->portdev);
- device_unregister(&hwif->gendev);
- wait_for_completion(&hwif->gendev_rel_comp);
-
- /*
- * Remove us from the kernel's knowledge
- */
- blk_unregister_region(MKDEV(hwif->major, 0), MAX_DRIVES<<PARTN_BITS);
- kfree(hwif->sg_table);
- unregister_blkdev(hwif->major, hwif->name);
-
- ide_release_dma_engine(hwif);
-
- mutex_unlock(&ide_cfg_mtx);
-}
-
-void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
-{
- memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports));
- hwif->irq = hw->irq;
- hwif->chipset = hw->chipset;
- hwif->dev = hw->dev;
- hwif->gendev.parent = hw->parent ? hw->parent : hw->dev;
- hwif->ack_intr = hw->ack_intr;
- hwif->config_data = hw->config;
-}
-
/*
* Locks for IDE setting functionality
*/