Lines Matching refs:drive
240 * motor of these drives causes system hangs on some PCI computers. drive
241 * 0 is the low bit (0x1), and drive 7 is the high bit (0x80). Bits are on if
242 * a drive is allowed.
302 #define UNIT(x) ((x) & 0x03) /* drive on fdc */
303 #define FDC(x) (((x) & 0x04) >> 2) /* fdc of drive */
304 /* reverse mapping from unit and fdc to drive */
353 * this struct defines the different floppy drive types.
360 CMOS drive type
361 | Maximum data rate supported by drive type
413 * types (e.g. 360kB diskette in 1.2MB drive, etc.). Bit 1 of 'stretch'
604 static inline bool drive_no_geom(int drive)
606 return !current_type[drive] && !ITYPE(drive_state[drive].fd_device);
610 static inline int fd_eject(int drive)
671 static void __reschedule_timeout(int drive, const char *message)
675 if (drive < 0 || drive >= N_DRIVE) {
677 drive = 0;
679 delay = drive_params[drive].timeout;
682 if (drive_params[drive].flags & FD_DEBUG)
687 static void reschedule_timeout(int drive, const char *message)
692 __reschedule_timeout(drive, message);
716 * 2. No floppy disk is in the drive. This is done in order to ensure that
717 * requests are quickly flushed in case there is no disk in the drive. It
719 * the drive.
725 * change line is set, this means either that no disk is in the drive, or
732 static int disk_change(int drive)
734 int fdc = FDC(drive);
736 if (time_before(jiffies, drive_state[drive].select_date + drive_params[drive].select_delay))
738 if (!(fdc_state[fdc].dor & (0x10 << UNIT(drive))) ||
739 (fdc_state[fdc].dor & 3) != UNIT(drive) || fdc != FDC(drive)) {
740 DPRINT("probing disk change on unselected drive\n");
741 DPRINT("drive=%d fdc=%d dor=%x\n", drive, FDC(drive),
745 debug_dcl(drive_params[drive].flags,
746 "checking disk change line for drive %d\n", drive);
747 debug_dcl(drive_params[drive].flags, "jiffies=%lu\n", jiffies);
748 debug_dcl(drive_params[drive].flags, "disk change line=%x\n",
750 debug_dcl(drive_params[drive].flags, "flags=%lx\n",
751 drive_state[drive].flags);
753 if (drive_params[drive].flags & FD_BROKEN_DCL)
755 &drive_state[drive].flags);
756 if ((fdc_inb(fdc, FD_DIR) ^ drive_params[drive].flags) & 0x80) {
757 set_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
760 if (drive_state[drive].maxblock) /* mark it changed */
762 &drive_state[drive].flags);
765 if (drive_state[drive].keep_data >= 0) {
766 if ((drive_params[drive].flags & FTD_MSG) &&
767 current_type[drive] != NULL)
769 current_type[drive] = NULL;
770 floppy_sizes[TOMINOR(drive)] = MAX_DISK_SIZE << 1;
775 drive_state[drive].last_checked = jiffies;
776 clear_bit(FD_DISK_NEWCHANGE_BIT, &drive_state[drive].flags);
795 unsigned char drive;
807 drive = REVDRIVE(fdc, unit);
808 debug_dcl(drive_params[drive].flags,
810 disk_change(drive);
817 drive = REVDRIVE(fdc, unit);
818 drive_state[drive].select_date = jiffies;
824 static void twaddle(int fdc, int drive)
826 if (drive_params[drive].select_delay)
828 fdc_outb(fdc_state[fdc].dor & ~(0x10 << UNIT(drive)),
831 drive_state[drive].select_date = jiffies;
840 int drive;
846 for (drive = 0; drive < N_DRIVE; drive++)
847 if (FDC(drive) == fdc &&
848 (mode || drive_state[drive].track != NEED_1_RECAL))
849 drive_state[drive].track = NEED_2_RECAL;
853 * selects the fdc and drive, and enables the fdc's input/dma.
854 * Both current_drive and current_fdc are changed to match the new drive.
856 static void set_fdc(int drive)
860 if (drive < 0 || drive >= N_DRIVE) {
861 pr_info("bad drive value %d\n", drive);
865 fdc = FDC(drive);
880 current_drive = drive;
886 * Both current_drive and current_fdc are changed to match the new drive.
888 static int lock_fdc(int drive)
899 reschedule_timeout(drive, "lock fdc");
900 set_fdc(drive);
932 static void floppy_off(unsigned int drive)
935 int fdc = FDC(drive);
937 if (!(fdc_state[fdc].dor & (0x10 << UNIT(drive))))
940 del_timer(motor_off_timer + drive);
944 if (drive_params[drive].rps) {
945 delta = jiffies - drive_state[drive].first_read_date + HZ -
946 drive_params[drive].spindown_offset;
947 delta = ((delta * drive_params[drive].rps) % HZ) / drive_params[drive].rps;
948 motor_off_timer[drive].expires =
949 jiffies + drive_params[drive].spindown - delta;
951 add_timer(motor_off_timer + drive);
956 * stopping at current drive. This is done before any long operation, to
962 int drive;
970 drive = (saved_drive + i + 1) % N_DRIVE;
971 if (drive_state[drive].fd_ref == 0 || drive_params[drive].select_delay != 0)
973 set_fdc(drive);
974 if (!(set_dor(current_fdc, ~3, UNIT(drive) | (0x10 << UNIT(drive))) &
975 (0x10 << UNIT(drive))))
978 set_dor(current_fdc, ~(0x10 << UNIT(drive)), 0);
1024 /* this function makes sure that the disk stays in the drive during the
1282 static void fdc_specify(int fdc, int drive)
1311 output_byte(fdc, UNIT(drive));
1328 srt = 16 - DIV_ROUND_UP(drive_params[drive].srt * scale_dtr / 1000,
1336 hlt = DIV_ROUND_UP(drive_params[drive].hlt * scale_dtr / 2,
1343 hut = DIV_ROUND_UP(drive_params[drive].hut * scale_dtr / 16,
1363 /* Set the FDC's data transfer rate on behalf of the specified drive.
1376 /* TODO: some FDC/drive combinations (C&T 82C711 with TEAC 1.2MB)
1570 static void check_wp(int fdc, int drive)
1572 if (test_bit(FD_VERIFY_BIT, &drive_state[drive].flags)) {
1575 output_byte(fdc, UNIT(drive));
1580 clear_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
1582 &drive_state[drive].flags);
1583 debug_dcl(drive_params[drive].flags,
1585 debug_dcl(drive_params[drive].flags, "wp=%x\n",
1589 &drive_state[drive].flags);
1592 &drive_state[drive].flags);
1609 * the drive.
1666 * reached track 0. Probably no drive. Raise an
1785 * Must do 4 FD_SENSEIs after reset because of ``drive polling''.
1885 /* avoid dma going to a random drive after shutdown */
1911 /* no read since this drive is running */
1945 * drive/controller combinations */
2072 static int next_valid_format(int drive)
2076 probed_format = drive_state[drive].probed_format;
2079 !drive_params[drive].autodetect[probed_format]) {
2080 drive_state[drive].probed_format = 0;
2083 if (floppy_type[drive_params[drive].autodetect[probed_format]].sect) {
2084 drive_state[drive].probed_format = probed_format;
2110 static void set_floppy(int drive)
2112 int type = ITYPE(drive_state[drive].fd_device);
2117 _floppy = current_type[drive];
2228 static int do_format(int drive, struct format_descr *tmp_format_req)
2232 if (lock_fdc(drive))
2235 set_floppy(drive);
2263 unsigned int drive = (unsigned long)req->q->disk->private_data;
2273 floppy_off(drive);
2673 buffer_drive != current_drive || /* bad drive */
2726 pr_info("buffer drive=%d\n", buffer_drive);
2775 int drive;
2794 drive = (long)current_req->q->disk->private_data;
2795 set_fdc(drive);
2798 set_floppy(drive);
2926 * Resets the FDC connected to drive <drive>.
2927 * Both current_drive and current_fdc are changed to match the new drive.
2929 static int user_reset_fdc(int drive, int arg, bool interruptible)
2933 if (lock_fdc(drive))
2967 static const char *drive_name(int type, int drive)
2974 if (drive_params[drive].native_format)
2975 floppy = floppy_type + drive_params[drive].native_format;
3139 int drive;
3145 for (drive = 0; drive < N_DRIVE; drive++) {
3146 if (FDC(drive) != current_fdc)
3148 if (drive == current_drive) {
3149 if (drive_state[drive].fd_ref > 1) {
3153 } else if (drive_state[drive].fd_ref) {
3186 static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
3195 if (lock_fdc(drive))
3197 set_floppy(drive);
3207 static int floppy_raw_cmd_ioctl(int type, int drive, int cmd,
3228 int drive, int type, struct block_device *bdev)
3239 g->track <= 0 || g->track > drive_params[drive].tracks >> STRETCH(g) ||
3247 if (lock_fdc(drive)) {
3268 if (lock_fdc(drive))
3277 user_params[drive] = *g;
3278 if (buffer_drive == drive)
3279 SUPBOUND(buffer_max, user_params[drive].sect);
3280 current_type[drive] = &user_params[drive];
3281 floppy_sizes[drive] = user_params[drive].size;
3291 if (drive_state[current_drive].maxblock > user_params[drive].sect ||
3293 ((user_params[drive].sect ^ oldStretch) &
3349 static int get_floppy_geometry(int drive, int type, struct floppy_struct **g)
3354 if (lock_fdc(drive))
3359 *g = current_type[drive];
3368 int drive = (long)bdev->bd_disk->private_data;
3369 int type = ITYPE(drive_state[drive].fd_device);
3373 ret = get_floppy_geometry(drive, type, &g);
3404 int drive = (long)bdev->bd_disk->private_data;
3405 int type = ITYPE(drive_state[drive].fd_device);
3453 if (drive_state[drive].fd_ref != 1)
3454 /* somebody else has this drive open */
3456 if (lock_fdc(drive))
3461 ret = fd_eject(UNIT(drive));
3463 set_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags);
3464 set_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
3468 if (lock_fdc(drive))
3470 current_type[drive] = NULL;
3471 floppy_sizes[drive] = MAX_DISK_SIZE << 1;
3472 drive_state[drive].keep_data = 0;
3476 return set_geometry(cmd, &inparam.g, drive, type, bdev);
3478 ret = get_floppy_geometry(drive, type,
3487 drive_params[drive].flags |= FTD_MSG;
3490 drive_params[drive].flags &= ~FTD_MSG;
3493 if (lock_fdc(drive))
3497 ret = drive_state[drive].flags;
3505 if (drive_state[drive].fd_ref != 1)
3507 return do_format(drive, &inparam.f);
3510 if (lock_fdc(drive))
3514 drive_params[drive].max_errors.reporting = (unsigned short)(param & 0x0f);
3517 outparam = &drive_params[drive].max_errors;
3520 drive_params[drive].max_errors = inparam.max_errors;
3523 outparam = drive_name(type, drive);
3530 drive_params[drive] = inparam.dp;
3533 outparam = &drive_params[drive];
3536 if (lock_fdc(drive))
3543 outparam = &drive_state[drive];
3546 return user_reset_fdc(drive, (int)param, true);
3548 outparam = &fdc_state[FDC(drive)];
3551 memset(&write_errors[drive], 0, sizeof(write_errors[drive]));
3554 outparam = &write_errors[drive];
3557 return floppy_raw_cmd_ioctl(type, drive, cmd, (void __user *)param);
3559 if (lock_fdc(drive))
3666 int drive, type;
3680 drive = (long)bdev->bd_disk->private_data;
3681 type = ITYPE(drive_state[drive].fd_device);
3683 &v, drive, type, bdev);
3688 static int compat_get_prm(int drive,
3697 err = get_floppy_geometry(drive, ITYPE(drive_state[drive].fd_device),
3710 static int compat_setdrvprm(int drive,
3722 drive_params[drive].cmos = v.cmos;
3723 drive_params[drive].max_dtr = v.max_dtr;
3724 drive_params[drive].hlt = v.hlt;
3725 drive_params[drive].hut = v.hut;
3726 drive_params[drive].srt = v.srt;
3727 drive_params[drive].spinup = v.spinup;
3728 drive_params[drive].spindown = v.spindown;
3729 drive_params[drive].spindown_offset = v.spindown_offset;
3730 drive_params[drive].select_delay = v.select_delay;
3731 drive_params[drive].rps = v.rps;
3732 drive_params[drive].tracks = v.tracks;
3733 drive_params[drive].timeout = v.timeout;
3734 drive_params[drive].interleave_sect = v.interleave_sect;
3735 drive_params[drive].max_errors = v.max_errors;
3736 drive_params[drive].flags = v.flags;
3737 drive_params[drive].read_track = v.read_track;
3738 memcpy(drive_params[drive].autodetect, v.autodetect,
3740 drive_params[drive].checkfreq = v.checkfreq;
3741 drive_params[drive].native_format = v.native_format;
3746 static int compat_getdrvprm(int drive,
3753 v.cmos = drive_params[drive].cmos;
3754 v.max_dtr = drive_params[drive].max_dtr;
3755 v.hlt = drive_params[drive].hlt;
3756 v.hut = drive_params[drive].hut;
3757 v.srt = drive_params[drive].srt;
3758 v.spinup = drive_params[drive].spinup;
3759 v.spindown = drive_params[drive].spindown;
3760 v.spindown_offset = drive_params[drive].spindown_offset;
3761 v.select_delay = drive_params[drive].select_delay;
3762 v.rps = drive_params[drive].rps;
3763 v.tracks = drive_params[drive].tracks;
3764 v.timeout = drive_params[drive].timeout;
3765 v.interleave_sect = drive_params[drive].interleave_sect;
3766 v.max_errors = drive_params[drive].max_errors;
3767 v.flags = drive_params[drive].flags;
3768 v.read_track = drive_params[drive].read_track;
3769 memcpy(v.autodetect, drive_params[drive].autodetect,
3771 v.checkfreq = drive_params[drive].checkfreq;
3772 v.native_format = drive_params[drive].native_format;
3780 static int compat_getdrvstat(int drive, bool poll,
3789 if (lock_fdc(drive))
3795 v.spinup_date = drive_state[drive].spinup_date;
3796 v.select_date = drive_state[drive].select_date;
3797 v.first_read_date = drive_state[drive].first_read_date;
3798 v.probed_format = drive_state[drive].probed_format;
3799 v.track = drive_state[drive].track;
3800 v.maxblock = drive_state[drive].maxblock;
3801 v.maxtrack = drive_state[drive].maxtrack;
3802 v.generation = drive_state[drive].generation;
3803 v.keep_data = drive_state[drive].keep_data;
3804 v.fd_ref = drive_state[drive].fd_ref;
3805 v.fd_device = drive_state[drive].fd_device;
3806 v.last_checked = drive_state[drive].last_checked;
3807 v.dmabuf = (uintptr_t) drive_state[drive].dmabuf;
3808 v.bufblocks = drive_state[drive].bufblocks;
3819 static int compat_getfdcstat(int drive,
3826 v = fdc_state[FDC(drive)];
3848 static int compat_werrorget(int drive,
3856 v = write_errors[drive];
3872 int drive = (long)bdev->bd_disk->private_data;
3900 return compat_get_prm(drive, compat_ptr(param));
3902 return compat_setdrvprm(drive, compat_ptr(param));
3904 return compat_getdrvprm(drive, compat_ptr(param));
3906 return compat_getdrvstat(drive, true, compat_ptr(param));
3908 return compat_getdrvstat(drive, false, compat_ptr(param));
3910 return compat_getfdcstat(drive, compat_ptr(param));
3912 return compat_werrorget(drive, compat_ptr(param));
3921 int drive;
3923 /* read drive info out of physical CMOS */
3924 drive = 0;
3925 if (!drive_params[drive].cmos)
3926 drive_params[drive].cmos = FLOPPY0_TYPE;
3927 drive = 1;
3928 if (!drive_params[drive].cmos)
3929 drive_params[drive].cmos = FLOPPY1_TYPE;
3931 /* FIXME: additional physical CMOS drive detection should go here */
3933 for (drive = 0; drive < N_DRIVE; drive++) {
3934 unsigned int type = drive_params[drive].cmos;
3943 allowed_drive_mask |= 1 << drive;
3945 allowed_drive_mask &= ~(1 << drive);
3957 pr_info("Floppy drive(s):");
3962 pr_cont("%s fd%d is %s", prepend, drive, name);
3964 drive_params[drive] = *params;
3973 int drive = (long)disk->private_data;
3977 if (!drive_state[drive].fd_ref--) {
3979 drive_state[drive].fd_ref = 0;
3981 if (!drive_state[drive].fd_ref)
3982 opened_disk[drive] = NULL;
3990 * drive with different device numbers.
3994 int drive = (long)disk->private_data;
4002 old_dev = drive_state[drive].fd_device;
4003 if (opened_disk[drive] && opened_disk[drive] != disk)
4006 if (!drive_state[drive].fd_ref && (drive_params[drive].flags & FD_BROKEN_DCL)) {
4007 set_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags);
4008 set_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
4011 drive_state[drive].fd_ref++;
4013 opened_disk[drive] = disk;
4018 /* if opening an ED drive, reserve a big buffer,
4020 if ((drive_params[drive].cmos == 6) || (drive_params[drive].cmos == 5))
4048 drive_state[drive].fd_device = new_dev;
4049 set_capacity(disks[drive][ITYPE(new_dev)], floppy_sizes[new_dev]);
4051 if (buffer_drive == drive)
4055 if (fdc_state[FDC(drive)].rawcmd == 1)
4056 fdc_state[FDC(drive)].rawcmd = 2;
4059 drive_state[drive].last_checked = 0;
4061 &drive_state[drive].flags);
4064 if (test_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags))
4066 if (test_bit(FD_OPEN_SHOULD_FAIL_BIT, &drive_state[drive].flags))
4071 !test_bit(FD_DISK_WRITABLE_BIT, &drive_state[drive].flags))
4078 drive_state[drive].fd_ref--;
4080 if (!drive_state[drive].fd_ref)
4081 opened_disk[drive] = NULL;
4094 int drive = (long)disk->private_data;
4096 if (test_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags) ||
4097 test_bit(FD_VERIFY_BIT, &drive_state[drive].flags))
4100 if (time_after(jiffies, drive_state[drive].last_checked + drive_params[drive].checkfreq)) {
4101 if (lock_fdc(drive))
4107 if (test_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags) ||
4108 test_bit(FD_VERIFY_BIT, &drive_state[drive].flags) ||
4109 test_bit(drive, &fake_change) ||
4110 drive_no_geom(drive))
4118 * a disk in the drive, and whether that disk is writable.
4122 int drive;
4129 int drive = cbdata->drive;
4134 set_bit(FD_OPEN_SHOULD_FAIL_BIT, &drive_state[drive].flags);
4139 static int __floppy_read_block_0(struct block_device *bdev, int drive)
4152 cbdata.drive = drive;
4176 * there is a disk in the drive at all... Thus we also do it for fixed
4180 int drive = (long)disk->private_data;
4184 if (test_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags) ||
4185 test_bit(FD_VERIFY_BIT, &drive_state[drive].flags) ||
4186 test_bit(drive, &fake_change) ||
4187 drive_no_geom(drive)) {
4192 res = lock_fdc(drive);
4195 cf = (test_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags) ||
4196 test_bit(FD_VERIFY_BIT, &drive_state[drive].flags));
4197 if (!(cf || test_bit(drive, &fake_change) || drive_no_geom(drive))) {
4201 drive_state[drive].maxblock = 0;
4202 drive_state[drive].maxtrack = 0;
4203 if (buffer_drive == drive)
4205 clear_bit(drive, &fake_change);
4206 clear_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags);
4208 drive_state[drive].generation++;
4209 if (drive_no_geom(drive)) {
4211 res = __floppy_read_block_0(opened_disk[drive]->part0,
4212 drive);
4219 set_capacity(disk, floppy_sizes[drive_state[drive].fd_device]);
4363 DPRINT("bad drive for set_cmos\n");
4456 int drive;
4458 drive = p->id;
4459 return sprintf(buf, "%X\n", drive_params[drive].cmos);
4507 static bool floppy_available(int drive)
4509 if (!(allowed_drive_mask & (1 << drive)))
4511 if (fdc_state[FDC(drive)].version == FDC_NONE)
4516 static int floppy_alloc_disk(unsigned int drive, unsigned int type)
4524 disk = blk_mq_alloc_disk(&tag_sets[drive], &lim, NULL);
4529 disk->first_minor = TOMINOR(drive) | (type << 2);
4535 sprintf(disk->disk_name, "fd%d_type%d", drive, type);
4537 sprintf(disk->disk_name, "fd%d", drive);
4539 disk->private_data = (void *)(long)drive;
4542 disks[drive][type] = disk;
4550 unsigned int drive = (MINOR(dev) & 3) | ((MINOR(dev) & 0x80) >> 5);
4553 if (drive >= N_DRIVE || !floppy_available(drive) ||
4558 if (disks[drive][type])
4560 if (floppy_alloc_disk(drive, type))
4562 if (add_disk(disks[drive][type]))
4569 put_disk(disks[drive][type]);
4570 disks[drive][type] = NULL;
4576 int i, unit, drive, err;
4592 for (drive = 0; drive < N_DRIVE; drive++) {
4593 memset(&tag_sets[drive], 0, sizeof(tag_sets[drive]));
4594 tag_sets[drive].ops = &floppy_mq_ops;
4595 tag_sets[drive].nr_hw_queues = 1;
4596 tag_sets[drive].nr_maps = 1;
4597 tag_sets[drive].queue_depth = 2;
4598 tag_sets[drive].numa_node = NUMA_NO_NODE;
4599 err = blk_mq_alloc_tag_set(&tag_sets[drive]);
4603 err = floppy_alloc_disk(drive, 0);
4605 blk_mq_free_tag_set(&tag_sets[drive]);
4609 timer_setup(&motor_off_timer[drive], motor_off_callback, 0);
4661 /* initialise drive state */
4662 for (drive = 0; drive < N_DRIVE; drive++) {
4663 memset(&drive_state[drive], 0, sizeof(drive_state[drive]));
4664 memset(&write_errors[drive], 0, sizeof(write_errors[drive]));
4665 set_bit(FD_DISK_NEWCHANGE_BIT, &drive_state[drive].flags);
4666 set_bit(FD_DISK_CHANGED_BIT, &drive_state[drive].flags);
4667 set_bit(FD_VERIFY_BIT, &drive_state[drive].flags);
4668 drive_state[drive].fd_device = -1;
4722 for (drive = 0; drive < N_DRIVE; drive++) {
4723 if (!floppy_available(drive))
4726 floppy_device[drive].name = floppy_device_name;
4727 floppy_device[drive].id = drive;
4728 floppy_device[drive].dev.release = floppy_device_release;
4729 floppy_device[drive].dev.groups = floppy_dev_groups;
4731 err = platform_device_register(&floppy_device[drive]);
4735 registered[drive] = true;
4737 err = device_add_disk(&floppy_device[drive].dev,
4738 disks[drive][0], NULL);
4746 while (drive--) {
4747 if (floppy_available(drive)) {
4748 del_gendisk(disks[drive][0]);
4749 if (registered[drive])
4750 platform_device_unregister(&floppy_device[drive]);
4762 for (drive = 0; drive < N_DRIVE; drive++) {
4763 if (!disks[drive][0])
4765 del_timer_sync(&motor_off_timer[drive]);
4766 put_disk(disks[drive][0]);
4767 blk_mq_free_tag_set(&tag_sets[drive]);
4903 int drive;
4931 for (drive = 0; drive < N_FDC * 4; drive++)
4932 if (timer_pending(motor_off_timer + drive))
4933 pr_info("motor off timer %d still active\n", drive);
4978 int drive, i;
4985 for (drive = 0; drive < N_DRIVE; drive++) {
4986 del_timer_sync(&motor_off_timer[drive]);
4988 if (floppy_available(drive)) {
4990 if (disks[drive][i])
4991 del_gendisk(disks[drive][i]);
4993 if (registered[drive])
4994 platform_device_unregister(&floppy_device[drive]);
4997 if (disks[drive][i])
4998 put_disk(disks[drive][i]);
5000 blk_mq_free_tag_set(&tag_sets[drive]);