| /linux-6.15/drivers/staging/greybus/ |
| H A D | vibrator.c | 113 static DEFINE_IDA(minors);
156 vib->minor = ida_alloc(&minors, GFP_KERNEL); in gb_vibrator_probe()
176 ida_free(&minors, vib->minor); in gb_vibrator_probe()
200 ida_free(&minors, vib->minor); in gb_vibrator_disconnect()
244 ida_destroy(&minors); in gb_vibrator_exit()
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| H A D | raw.c | 41 static DEFINE_IDA(minors);
184 minor = ida_alloc(&minors, GFP_KERNEL); in gb_raw_probe()
217 ida_free(&minors, minor); in gb_raw_probe()
238 ida_free(&minors, MINOR(raw->dev)); in gb_raw_disconnect()
376 ida_destroy(&minors); in raw_exit()
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| /linux-6.15/drivers/mmc/core/ |
| H A D | Kconfig | 50 int "Number of minors per block device"
55 Number of minors per block device. One is needed for every
58 Number of total MMC minors available is 256, so your number
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| /linux-6.15/block/ |
| H A D | genhd.c | 440 if (WARN_ON(!disk->minors)) in add_disk_fwnode()
443 if (disk->minors > DISK_MAX_PARTS) { in add_disk_fwnode()
446 disk->minors = DISK_MAX_PARTS; in add_disk_fwnode()
449 disk->minors > MINORMASK + 1 || in add_disk_fwnode()
450 disk->first_minor + disk->minors > MINORMASK + 1) in add_disk_fwnode()
453 if (WARN_ON(disk->minors)) in add_disk_fwnode()
957 return sysfs_emit(buf, "%d\n", disk->minors); in disk_range_show()
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| H A D | early-lookup.c | 137 if (partno < disk->minors) { in blk_lookup_devt()
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| /linux-6.15/drivers/spi/ |
| H A D | spidev.c | 46 static DECLARE_BITMAP(minors, N_SPI_MINORS);
809 minor = find_first_zero_bit(minors, N_SPI_MINORS); in spidev_probe()
823 set_bit(minor, minors); in spidev_probe()
851 clear_bit(MINOR(spidev->devt), minors); in spidev_remove()
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| /linux-6.15/drivers/block/ |
| H A D | xen-blkfront.c | 237 static unsigned long *minors; variable
458 old = minors; in xlbd_reserve_minors()
459 memcpy(bitmap, minors, in xlbd_reserve_minors()
461 minors = bitmap; in xlbd_reserve_minors()
470 if (find_next_bit(minors, end, minor) >= end) { in xlbd_reserve_minors()
471 bitmap_set(minors, minor, nr); in xlbd_reserve_minors()
486 bitmap_clear(minors, minor, nr); in xlbd_release_minors()
1159 gd->minors = nr_minors; in xlvbd_alloc_gendisk()
2485 xlbd_release_minors(info->gd->first_minor, info->gd->minors); in blkfront_remove()
2638 kfree(minors); in xlblk_exit()
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| H A D | z2ram.c | 327 disk->minors = 1; in z2ram_register_disk()
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| H A D | brd.c | 395 disk->minors = max_part; in brd_alloc()
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| H A D | ps3disk.c | 452 gendisk->minors = PS3DISK_MINORS; in ps3disk_probe()
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| /linux-6.15/drivers/s390/block/ |
| H A D | dasd_genhd.c | 73 gdp->minors = 1 << DASD_PARTN_BITS; in dasd_gendisk_alloc()
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| H A D | scm_blk.c | 479 bdev->gendisk->minors = SCM_NR_PARTS; in scm_blk_dev_setup()
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| /linux-6.15/Documentation/arch/arm/sa1100/ |
| H A D | serial_uart.rst | 14 > serial devices", so you will have a range of minors on those majors (the
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| /linux-6.15/arch/m68k/emu/ |
| H A D | nfblock.c | 132 dev->disk->minors = 16; in nfhd_init_one()
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| /linux-6.15/Documentation/input/ |
| H A D | input.rst | 105 There are two ranges of minors: 64 through 95 is the static legacy
107 evdev nodes are created with minors starting with 256.
167 And so on up to js31 in legacy range, and additional nodes with minors
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| /linux-6.15/drivers/net/wwan/ |
| H A D | wwan_core.c | 27 static DEFINE_IDA(minors); /* minors for WWAN port chardevs */
366 ida_free(&minors, MINOR(port->dev.devt)); in wwan_port_destroy()
467 minor = ida_alloc_range(&minors, 0, WWAN_MAX_MINORS - 1, GFP_KERNEL); in wwan_create_port()
476 ida_free(&minors, minor); in wwan_create_port()
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| /linux-6.15/drivers/usb/gadget/function/ |
| H A D | f_printer.c | 56 static int major, minors; variable
1480 if (opts->minor >= minors) { in gprinter_alloc()
1551 minors = count; in gprinter_setup()
1559 unregister_chrdev_region(MKDEV(major, 0), minors); in gprinter_cleanup()
1560 major = minors = 0; in gprinter_cleanup()
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| H A D | f_hid.c | 33 static int major, minors; variable
1604 minors = count; in ghid_setup()
1612 unregister_chrdev_region(MKDEV(major, 0), minors); in ghid_cleanup()
1613 major = minors = 0; in ghid_cleanup()
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| /linux-6.15/arch/xtensa/platforms/iss/ |
| H A D | simdisk.c | 285 dev->gd->minors = SIMDISK_MINORS; in simdisk_setup()
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| /linux-6.15/drivers/block/aoe/ |
| H A D | aoeblk.c | 396 gd->minors = AOE_PARTITIONS; in aoeblk_gdalloc()
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| /linux-6.15/drivers/mtd/ubi/ |
| H A D | block.c | 408 gd->minors = 1; in ubiblock_create()
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| /linux-6.15/drivers/mtd/ |
| H A D | mtd_blkdevs.c | 354 gd->minors = 1 << tr->part_bits; in add_mtd_blktrans_dev()
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| /linux-6.15/block/partitions/ |
| H A D | core.c | 346 if (bdev_partno(bdev) < disk->minors) { in add_partition()
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| /linux-6.15/drivers/cdrom/ |
| H A D | gdrom.c | 720 gd.disk->minors = 1; in probe_gdrom_setupdisk()
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| /linux-6.15/drivers/md/ |
| H A D | dm-ima.c | 121 md->disk->minors, num_targets); in dm_ima_alloc_and_copy_device_data()
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