| /Linux-v5.10/fs/fuse/ |
| D | cuse.c | 78 static struct list_head *cuse_conntbl_head(dev_t devt) in cuse_conntbl_head() argument
80 return &cuse_conntbl[(MAJOR(devt) + MINOR(devt)) % CUSE_CONNTBL_LEN]; in cuse_conntbl_head()
116 dev_t devt = inode->i_cdev->dev; in cuse_open() local
122 list_for_each_entry(pos, cuse_conntbl_head(devt), list) in cuse_open()
123 if (pos->dev->devt == devt) { in cuse_open()
329 dev_t devt; in cuse_process_init_reply() local
348 devt = MKDEV(arg->dev_major, arg->dev_minor); in cuse_process_init_reply()
349 if (!MAJOR(devt)) in cuse_process_init_reply()
350 rc = alloc_chrdev_region(&devt, MINOR(devt), 1, devinfo.name); in cuse_process_init_reply()
352 rc = register_chrdev_region(devt, 1, devinfo.name); in cuse_process_init_reply()
[all …]
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| /Linux-v5.10/block/ |
| D | genhd.c | 571 int blk_alloc_devt(struct hd_struct *part, dev_t *devt) in blk_alloc_devt() argument
578 *devt = MKDEV(disk->major, disk->first_minor + part->partno); in blk_alloc_devt()
593 *devt = MKDEV(BLOCK_EXT_MAJOR, blk_mangle_minor(idx)); in blk_alloc_devt()
606 void blk_free_devt(dev_t devt) in blk_free_devt() argument
608 if (devt == MKDEV(0, 0)) in blk_free_devt()
611 if (MAJOR(devt) == BLOCK_EXT_MAJOR) { in blk_free_devt()
613 idr_remove(&ext_devt_idr, blk_mangle_minor(MINOR(devt))); in blk_free_devt()
621 void blk_invalidate_devt(dev_t devt) in blk_invalidate_devt() argument
623 if (MAJOR(devt) == BLOCK_EXT_MAJOR) { in blk_invalidate_devt()
625 idr_replace(&ext_devt_idr, NULL, blk_mangle_minor(MINOR(devt))); in blk_invalidate_devt()
[all …]
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| /Linux-v5.10/arch/powerpc/platforms/powernv/ |
| D | vas-api.c | 42 dev_t devt; member
216 rc = alloc_chrdev_region(&coproc_device.devt, 1, 1, name); in vas_register_coproc_api()
223 MAJOR(coproc_device.devt), MINOR(coproc_device.devt)); in vas_register_coproc_api()
237 devno = MKDEV(MAJOR(coproc_device.devt), 0); in vas_register_coproc_api()
262 unregister_chrdev_region(coproc_device.devt, 1); in vas_register_coproc_api()
272 devno = MKDEV(MAJOR(coproc_device.devt), 0); in vas_unregister_coproc_api()
276 unregister_chrdev_region(coproc_device.devt, 1); in vas_unregister_coproc_api()
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| /Linux-v5.10/fs/pstore/ |
| D | blk.c | 96 dev_t devt; member
238 dev_t devt; in psblk_get_bdev() local
240 devt = name_to_dev_t(blkdev); in psblk_get_bdev()
241 if (devt == 0) in psblk_get_bdev()
243 bdev = blkdev_get_by_dev(devt, mode, holder); in psblk_get_bdev()
256 info->devt = bdev->bd_dev; in psblk_get_bdev()
381 if (!binfo.devt || (!best_effort && in __register_pstore_blk()
382 MAJOR(binfo.devt) != info->major)) { in __register_pstore_blk()
384 info->major, MAJOR(binfo.devt)); in __register_pstore_blk()
394 info->devt = binfo.devt; in __register_pstore_blk()
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| /Linux-v5.10/drivers/char/xilinx_hwicap/ |
| D | xilinx_hwicap.c | 607 dev_t devt; in hwicap_setup() local
635 devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR + id); in hwicap_setup()
662 drvdata->devt = devt; in hwicap_setup()
684 retval = cdev_add(&drvdata->cdev, devt, 1); in hwicap_setup()
690 device_create(icap_class, dev, devt, NULL, "%s%d", DRIVER_NAME, id); in hwicap_setup()
733 device_destroy(icap_class, drvdata->devt); in hwicap_remove()
740 probed_devices[MINOR(dev->devt)-XHWICAP_MINOR] = 0; in hwicap_remove()
856 dev_t devt; in hwicap_module_init() local
862 devt = MKDEV(XHWICAP_MAJOR, XHWICAP_MINOR); in hwicap_module_init()
863 retval = register_chrdev_region(devt, in hwicap_module_init()
[all …]
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| /Linux-v5.10/drivers/dma/idxd/ |
| D | cdev.c | 20 dev_t devt; member
198 return MAJOR(ictx[idxd->type].devt); in idxd_cdev_get_major()
227 dev->devt = MKDEV(MAJOR(cdev_ctx->devt), minor); in idxd_wq_cdev_dev_setup()
239 ida_simple_remove(&cdev_ctx->minor_ida, MINOR(dev->devt)); in idxd_wq_cdev_dev_setup()
279 rc = cdev_add(cdev, dev->devt, 1); in idxd_wq_add_cdev()
301 rc = alloc_chrdev_region(&ictx[i].devt, 0, MINORMASK, in idxd_cdev_register()
315 unregister_chrdev_region(ictx[i].devt, MINORMASK); in idxd_cdev_remove()
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| /Linux-v5.10/drivers/net/ipvlan/ |
| D | ipvtap.c | 143 dev_t devt; in ipvtap_device_event() local
163 devt = MKDEV(MAJOR(ipvtap_major), vlantap->tap.minor); in ipvtap_device_event()
164 classdev = device_create(&ipvtap_class, &dev->dev, devt, in ipvtap_device_event()
180 devt = MKDEV(MAJOR(ipvtap_major), vlantap->tap.minor); in ipvtap_device_event()
181 device_destroy(&ipvtap_class, devt); in ipvtap_device_event()
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| /Linux-v5.10/drivers/net/ |
| D | macvtap.c | 150 dev_t devt; in macvtap_device_event() local
170 devt = MKDEV(MAJOR(macvtap_major), vlantap->tap.minor); in macvtap_device_event()
171 classdev = device_create(&macvtap_class, &dev->dev, devt, in macvtap_device_event()
187 devt = MKDEV(MAJOR(macvtap_major), vlantap->tap.minor); in macvtap_device_event()
188 device_destroy(&macvtap_class, devt); in macvtap_device_event()
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| /Linux-v5.10/drivers/dax/ |
| D | super.c | 519 dev_t devt = *(dev_t *) data; in dax_test() local
521 return inode->i_rdev == devt; in dax_test()
526 dev_t devt = *(dev_t *) data; in dax_set() local
528 inode->i_rdev = devt; in dax_set()
532 static struct dax_device *dax_dev_get(dev_t devt) in dax_dev_get() argument
537 inode = iget5_locked(dax_superblock, hash_32(devt + DAXFS_MAGIC, 31), in dax_dev_get()
538 dax_test, dax_set, &devt); in dax_dev_get()
580 dev_t devt; in alloc_dax() local
598 devt = MKDEV(MAJOR(dax_devt), minor); in alloc_dax()
599 dax_dev = dax_dev_get(devt); in alloc_dax()
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| /Linux-v5.10/drivers/staging/axis-fifo/ |
| D | axis-fifo.c | 144 dev_t devt; /* our char device number */ member
909 rc = alloc_chrdev_region(&fifo->devt, 0, 1, DRIVER_NAME); in axis_fifo_probe()
913 MAJOR(fifo->devt), MINOR(fifo->devt)); in axis_fifo_probe()
916 fifo->device = device_create(axis_fifo_driver_class, NULL, fifo->devt, in axis_fifo_probe()
928 rc = cdev_add(&fifo->char_device, fifo->devt, 1); in axis_fifo_probe()
943 MAJOR(fifo->devt), MINOR(fifo->devt)); in axis_fifo_probe()
950 device_destroy(axis_fifo_driver_class, fifo->devt); in axis_fifo_probe()
952 unregister_chrdev_region(fifo->devt, 1); in axis_fifo_probe()
965 device_destroy(axis_fifo_driver_class, fifo->devt); in axis_fifo_remove()
966 unregister_chrdev_region(fifo->devt, 1); in axis_fifo_remove()
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| /Linux-v5.10/drivers/remoteproc/ |
| D | remoteproc_cdev.c | 103 rproc->dev.devt = MKDEV(MAJOR(rproc_major), rproc->index); in rproc_char_device_add()
105 ret = cdev_add(&rproc->cdev, rproc->dev.devt, 1); in rproc_char_device_add()
114 __unregister_chrdev(MAJOR(rproc->dev.devt), rproc->index, 1, "remoteproc"); in rproc_char_device_remove()
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| /Linux-v5.10/include/linux/ |
| D | genhd.h | 250 return part_to_dev(part)->devt; in part_devt()
346 extern void blk_register_region(dev_t devt, unsigned long range,
351 extern void blk_unregister_region(dev_t devt, unsigned long range);
407 dev_t devt = MKDEV(0, 0); in blk_lookup_devt() local
408 return devt; in blk_lookup_devt()
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| /Linux-v5.10/drivers/rpmsg/ |
| D | rpmsg_char.c | 334 ida_simple_remove(&rpmsg_minor_ida, MINOR(eptdev->dev.devt)); in rpmsg_eptdev_release_device()
372 dev->devt = MKDEV(MAJOR(rpmsg_major), ret); in rpmsg_eptdev_create()
380 ret = cdev_add(&eptdev->cdev, dev->devt, 1); in rpmsg_eptdev_create()
398 ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); in rpmsg_eptdev_create()
460 ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); in rpmsg_ctrldev_release_device()
488 dev->devt = MKDEV(MAJOR(rpmsg_major), ret); in rpmsg_chrdev_probe()
496 ret = cdev_add(&ctrldev->cdev, dev->devt, 1); in rpmsg_chrdev_probe()
516 ida_simple_remove(&rpmsg_minor_ida, MINOR(dev->devt)); in rpmsg_chrdev_probe()
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| /Linux-v5.10/drivers/char/tpm/ |
| D | tpm-chip.c | 367 chip->dev.devt = MKDEV(MISC_MAJOR, TPM_MINOR); in tpm_chip_alloc()
369 chip->dev.devt = MKDEV(MAJOR(tpm_devt), chip->dev_num); in tpm_chip_alloc()
371 chip->devs.devt = in tpm_chip_alloc()
442 dev_name(&chip->dev), MAJOR(chip->dev.devt), in tpm_add_char_device()
443 MINOR(chip->dev.devt), rc); in tpm_add_char_device()
452 dev_name(&chip->devs), MAJOR(chip->devs.devt), in tpm_add_char_device()
453 MINOR(chip->devs.devt), rc); in tpm_add_char_device()
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| /Linux-v5.10/sound/usb/ |
| D | media.c | 76 MAJOR(pcm_dev->devt), in snd_media_stream_init()
77 MINOR(pcm_dev->devt)); in snd_media_stream_init()
180 MAJOR(ctl_dev->devt), in snd_media_mixer_init()
181 MINOR(ctl_dev->devt)); in snd_media_mixer_init()
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| /Linux-v5.10/drivers/pps/ |
| D | pps.c | 350 dev_t devt; in pps_register_cdev() local
369 devt = MKDEV(MAJOR(pps_devt), pps->id); in pps_register_cdev()
374 err = cdev_add(&pps->cdev, devt, 1); in pps_register_cdev()
380 pps->dev = device_create(pps_class, pps->info.dev, devt, pps, in pps_register_cdev()
410 device_destroy(pps_class, pps->dev->devt); in pps_unregister_cdev()
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| /Linux-v5.10/drivers/misc/cxl/ |
| D | flash.c | 522 dev_t devt; in cxl_guest_add_chardev() local
525 devt = MKDEV(MAJOR(cxl_get_dev()), CXL_CARD_MINOR(adapter)); in cxl_guest_add_chardev()
527 if ((rc = cdev_add(&adapter->guest->cdev, devt, 1))) { in cxl_guest_add_chardev()
533 adapter->dev.devt = devt; in cxl_guest_add_chardev()
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| /Linux-v5.10/drivers/mtd/devices/ |
| D | block2mtd.c | 243 dev_t devt; in add_device() local
254 devt = name_to_dev_t(devname); in add_device()
255 if (!devt) in add_device()
257 bdev = blkdev_get_by_dev(devt, mode, dev); in add_device()
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| /Linux-v5.10/include/linux/device/ |
| D | driver.h | 207 dev_t devt) in driver_find_device_by_devt() argument
209 return driver_find_device(drv, NULL, &devt, device_match_devt); in driver_find_device_by_devt()
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| D | bus.h | 210 dev_t devt) in bus_find_device_by_devt() argument
212 return bus_find_device(bus, NULL, &devt, device_match_devt); in bus_find_device_by_devt()
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| /Linux-v5.10/drivers/gpio/ |
| D | gpiolib-cdev.h | 10 int gpiolib_cdev_register(struct gpio_device *gdev, dev_t devt);
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| /Linux-v5.10/block/partitions/ |
| D | core.c | 261 blk_free_devt(dev->devt); in part_release()
368 dev_t devt = MKDEV(0, 0); in add_partition() local
442 err = blk_alloc_devt(p, &devt); in add_partition()
445 pdev->devt = devt; in add_partition()
695 md_autodetect_dev(part_to_dev(part)->devt); in blk_add_partition()
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| /Linux-v5.10/drivers/spi/ |
| D | spidev.c | 69 dev_t devt; member
570 if (spidev->devt == inode->i_rdev) { in spidev_open()
766 spidev->devt = MKDEV(SPIDEV_MAJOR, minor); in spidev_probe()
767 dev = device_create(spidev_class, &spi->dev, spidev->devt, in spidev_probe()
803 device_destroy(spidev_class, spidev->devt); in spidev_remove()
804 clear_bit(MINOR(spidev->devt), minors); in spidev_remove()
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| /Linux-v5.10/drivers/s390/crypto/ |
| D | zcrypt_api.c | 156 static inline struct zcdn_device *find_zcdndev_by_devt(dev_t devt) in find_zcdndev_by_devt() argument
158 struct device *dev = class_find_device_by_devt(zcrypt_class, devt); in find_zcdndev_by_devt()
346 MAJOR(dev->devt), MINOR(dev->devt)); in zcdn_device_release()
353 dev_t devt; in zcdn_create() local
373 devt = MKDEV(MAJOR(zcrypt_devt), MINOR(zcrypt_devt) + i); in zcdn_create()
374 zcdndev = find_zcdndev_by_devt(devt); in zcdn_create()
393 zcdndev->device.devt = devt; in zcdn_create()
399 ZCRYPT_NAME "_%d", (int) MINOR(devt)); in zcdn_create()
412 MAJOR(devt), MINOR(devt)); in zcdn_create()
449 dev_t devt; in zcdn_destroy_all() local
[all …]
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| /Linux-v5.10/drivers/base/ |
| D | core.c | 1872 if (MAJOR(dev->devt)) { in dev_uevent()
1879 add_uevent_var(env, "MAJOR=%u", MAJOR(dev->devt)); in dev_uevent()
1880 add_uevent_var(env, "MINOR=%u", MINOR(dev->devt)); in dev_uevent()
2240 return print_dev_t(buf, dev->devt); in dev_show()
2758 format_dev_t(devt_str, dev->devt); in device_create_sys_dev_entry()
2771 format_dev_t(devt_str, dev->devt); in device_remove_sys_dev_entry()
2898 if (MAJOR(dev->devt)) { in device_add()
2958 if (MAJOR(dev->devt)) in device_add()
3095 if (MAJOR(dev->devt)) { in device_del()
3558 dev_t devt, void *drvdata, in device_create_groups_vargs() argument
[all …]
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