| /Linux-v5.4/include/linux/ |
| D | pm_runtime.h | 3 * pm_runtime.h - Device run-time power management helper functions.
11 #include <linux/device.h>
33 extern int pm_generic_runtime_suspend(struct device *dev);
34 extern int pm_generic_runtime_resume(struct device *dev);
35 extern int pm_runtime_force_suspend(struct device *dev);
36 extern int pm_runtime_force_resume(struct device *dev);
38 extern int __pm_runtime_idle(struct device *dev, int rpmflags);
39 extern int __pm_runtime_suspend(struct device *dev, int rpmflags);
40 extern int __pm_runtime_resume(struct device *dev, int rpmflags);
41 extern int pm_runtime_get_if_in_use(struct device *dev);
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| D | device.h | 3 * device.h - generic, centralized driver model
29 #include <asm/device.h>
31 struct device;
65 * struct bus_type - The bus type of the device
69 * @dev_root: Default device to use as the parent.
72 * @drv_groups: Default attributes of the device drivers on the bus.
73 * @match: Called, perhaps multiple times, whenever a new device or driver
75 * given device can be handled by the given driver and zero
77 * the driver supports the device is not possible. In case of
78 * -EPROBE_DEFER it will queue the device for deferred probing.
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| D | pm_opp.h | 20 struct device;
32 * @u_amp: Maximum current drawn by the device in microamperes
62 * @dev: Pointer to the struct device
73 struct device *dev;
78 struct opp_table *dev_pm_opp_get_opp_table(struct device *dev);
79 struct opp_table *dev_pm_opp_get_opp_table_indexed(struct device *dev, int index);
90 int dev_pm_opp_get_opp_count(struct device *dev);
91 unsigned long dev_pm_opp_get_max_clock_latency(struct device *dev);
92 unsigned long dev_pm_opp_get_max_volt_latency(struct device *dev);
93 unsigned long dev_pm_opp_get_max_transition_latency(struct device *dev);
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| /Linux-v5.4/drivers/block/drbd/ |
| D | drbd_actlog.c | 57 * sectors-written since device creation, and other data generation tag
73 * allows to cover device sizes of up to 2**54 Byte (16 PiB) */
82 void *drbd_md_get_buffer(struct drbd_device *device, const char *intent) in drbd_md_get_buffer() argument
86 wait_event(device->misc_wait, in drbd_md_get_buffer()
87 (r = atomic_cmpxchg(&device->md_io.in_use, 0, 1)) == 0 || in drbd_md_get_buffer()
88 device->state.disk <= D_FAILED); in drbd_md_get_buffer()
93 device->md_io.current_use = intent; in drbd_md_get_buffer()
94 device->md_io.start_jif = jiffies; in drbd_md_get_buffer()
95 device->md_io.submit_jif = device->md_io.start_jif - 1; in drbd_md_get_buffer()
96 return page_address(device->md_io.page); in drbd_md_get_buffer()
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| D | drbd_worker.c | 51 struct drbd_device *device; in drbd_md_endio() local
53 device = bio->bi_private; in drbd_md_endio()
54 device->md_io.error = blk_status_to_errno(bio->bi_status); in drbd_md_endio()
57 if (device->ldev) in drbd_md_endio()
58 put_ldev(device); in drbd_md_endio()
62 * to timeout on the lower level device, and eventually detach from it. in drbd_md_endio()
70 * ASSERT(atomic_read(&device->md_io_in_use) == 1) there. in drbd_md_endio()
72 drbd_md_put_buffer(device); in drbd_md_endio()
73 device->md_io.done = 1; in drbd_md_endio()
74 wake_up(&device->misc_wait); in drbd_md_endio()
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| /Linux-v5.4/drivers/s390/block/ |
| D | dasd.c | 64 MODULE_DESCRIPTION("Linux on S/390 DASD device driver,"
91 * SECTION: Operations on the device structure.
99 * Allocate memory for a new device structure.
103 struct dasd_device *device; in dasd_alloc_device() local
105 device = kzalloc(sizeof(struct dasd_device), GFP_ATOMIC); in dasd_alloc_device()
106 if (!device) in dasd_alloc_device()
109 /* Get two pages for normal block device operations. */ in dasd_alloc_device()
110 device->ccw_mem = (void *) __get_free_pages(GFP_ATOMIC | GFP_DMA, 1); in dasd_alloc_device()
111 if (!device->ccw_mem) { in dasd_alloc_device()
112 kfree(device); in dasd_alloc_device()
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| D | dasd_devmap.c | 10 * Device mapping and dasd= parameter parsing functions. All devmap
39 * between device number and device index. To find a dasd_devmap_t
40 * that corresponds to a device number of a device index each
42 * the device number and one to search by the device index. As
43 * soon as big minor numbers are available the device index list
44 * can be removed since the device number will then be identical
45 * to the device index.
52 struct dasd_device *device; member
131 * Read a device busid/devno from a string.
141 pr_err("The IPL device is not a CCW device\n"); in dasd_busid()
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| D | dasd_alias.c | 26 * - A device is connected to an lcu as long as the device exists.
28 * device is checked by the eckd discipline and
30 * before the device is deleted.
32 * functions mark the point when a device is 'ready for service'.
36 * - dasd_alias_get_start_dev will find an alias device that can be used
37 * instead of the base device and does some (very simple) load balancing.
182 * so this function must be called first for a new device.
187 int dasd_alias_make_device_known_to_lcu(struct dasd_device *device) in dasd_alias_make_device_known_to_lcu() argument
189 struct dasd_eckd_private *private = device->private; in dasd_alias_make_device_known_to_lcu()
195 device->discipline->get_uid(device, &uid); in dasd_alias_make_device_known_to_lcu()
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| /Linux-v5.4/drivers/s390/char/ |
| D | tape_core.c | 3 * basic function of the tape device driver
94 tape_medium_state_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_medium_state_show()
106 tape_first_minor_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_first_minor_show()
118 tape_state_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_state_show()
131 tape_operation_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_operation_show()
158 tape_blocksize_show(struct device *dev, struct device_attribute *attr, char *buf) in tape_blocksize_show()
187 tape_state_set(struct tape_device *device, enum tape_state newstate) in tape_state_set() argument
191 if (device->tape_state == TS_NOT_OPER) { in tape_state_set()
195 DBF_EVENT(4, "ts. dev: %x\n", device->first_minor); in tape_state_set()
197 if (device->tape_state < TS_SIZE && device->tape_state >=0 ) in tape_state_set()
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| D | tape_char.c | 3 * character device frontend for tape device driver
64 tapechar_setup_device(struct tape_device * device) in tapechar_setup_device() argument
68 sprintf(device_name, "ntibm%i", device->first_minor / 2); in tapechar_setup_device()
69 device->nt = register_tape_dev( in tapechar_setup_device()
70 &device->cdev->dev, in tapechar_setup_device()
71 MKDEV(tapechar_major, device->first_minor), in tapechar_setup_device()
77 device->rt = register_tape_dev( in tapechar_setup_device()
78 &device->cdev->dev, in tapechar_setup_device()
79 MKDEV(tapechar_major, device->first_minor + 1), in tapechar_setup_device()
89 tapechar_cleanup_device(struct tape_device *device) in tapechar_cleanup_device() argument
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| /Linux-v5.4/drivers/base/power/ |
| D | power.h | 4 static inline void device_pm_init_common(struct device *dev) in device_pm_init_common()
15 static inline void pm_runtime_early_init(struct device *dev) in pm_runtime_early_init()
21 extern void pm_runtime_init(struct device *dev);
22 extern void pm_runtime_reinit(struct device *dev);
23 extern void pm_runtime_remove(struct device *dev);
24 extern u64 pm_runtime_active_time(struct device *dev);
32 struct device *dev;
40 extern void dev_pm_enable_wake_irq_check(struct device *dev,
42 extern void dev_pm_disable_wake_irq_check(struct device *dev);
46 extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq);
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| /Linux-v5.4/drivers/firewire/ |
| D | core-device.c | 3 * Device probing and sysfs code.
11 #include <linux/device.h>
158 static const struct ieee1394_device_id *unit_match(struct device *dev, in unit_match()
174 static bool is_fw_unit(struct device *dev);
176 static int fw_unit_match(struct device *dev, struct device_driver *drv) in fw_unit_match()
182 static int fw_unit_probe(struct device *dev) in fw_unit_probe()
190 static int fw_unit_remove(struct device *dev) in fw_unit_remove()
209 static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env) in fw_unit_uevent()
230 int fw_device_enable_phys_dma(struct fw_device *device) in fw_device_enable_phys_dma() argument
232 int generation = device->generation; in fw_device_enable_phys_dma()
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| /Linux-v5.4/drivers/hid/ |
| D | hid-roccat.c | 12 * Module roccat is a char device used to report special events of roccat
15 * not stored in device. The information in these events depends on hid device
45 struct device *dev;
62 struct roccat_device *device; member
77 struct roccat_device *device = reader->device; in roccat_read() local
82 mutex_lock(&device->cbuf_lock); in roccat_read()
85 if (reader->cbuf_start == device->cbuf_end) { in roccat_read()
86 add_wait_queue(&device->wait, &wait); in roccat_read()
90 while (reader->cbuf_start == device->cbuf_end) { in roccat_read()
99 if (!device->exist) { in roccat_read()
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| /Linux-v5.4/drivers/gpu/host1x/ |
| D | bus.c | 33 * host1x_subdev_add() - add a new subdevice with an associated device node
34 * @device: host1x device to add the subdevice to
35 * @np: device node
37 static int host1x_subdev_add(struct host1x_device *device, in host1x_subdev_add() argument
52 mutex_lock(&device->subdevs_lock); in host1x_subdev_add()
53 list_add_tail(&subdev->list, &device->subdevs); in host1x_subdev_add()
54 mutex_unlock(&device->subdevs_lock); in host1x_subdev_add()
60 err = host1x_subdev_add(device, driver, child); in host1x_subdev_add()
84 * host1x_device_parse_dt() - scan device tree and add matching subdevices
85 * @device: host1x logical device
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| /Linux-v5.4/Documentation/power/ |
| D | runtime_pm.rst | 17 * The power management workqueue pm_wq in which bus types and device drivers can
24 * A number of runtime PM fields in the 'power' member of 'struct device' (which
28 * Three device runtime PM callbacks in 'struct dev_pm_ops' (defined in
34 device drivers are encouraged to use these functions.
36 The runtime PM callbacks present in 'struct dev_pm_ops', the device runtime PM
40 2. Device Runtime PM Callbacks
43 There are three device runtime PM callbacks defined in 'struct dev_pm_ops'::
47 int (*runtime_suspend)(struct device *dev);
48 int (*runtime_resume)(struct device *dev);
49 int (*runtime_idle)(struct device *dev);
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| /Linux-v5.4/drivers/staging/gasket/ |
| D | gasket_sysfs.c | 7 #include <linux/device.h>
11 * Pair of kernel device and user-specified pointer. Used in lookups in sysfs
17 * The device bound to this mapping. If this is NULL, then this mapping
20 struct device *device; member
22 /* The Gasket descriptor for this device. */
25 /* This device's set of sysfs attributes/nodes. */
56 /* Look up mapping information for the given device. */
57 static struct gasket_sysfs_mapping *get_mapping(struct device *device) in get_mapping() argument
63 if (dev_mappings[i].device == device) { in get_mapping()
71 dev_dbg(device, "%s: Mapping to device %s not found\n", in get_mapping()
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| D | gasket_sysfs.h | 22 #include <linux/device.h>
52 /* The underlying sysfs device attribute associated with this data. */
66 * written (if so configured). The arguments are to the Gasket device
90 * Create an entry in mapping_data between a device and a Gasket device.
91 * @device: Device struct to map to.
92 * @gasket_dev: The dev struct associated with the driver controlling @device.
94 * Description: This function maps a gasket_dev* to a device*. This mapping can
96 * controlling the device node.
101 int gasket_sysfs_create_mapping(struct device *device,
106 * @device: Kernel device structure.
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| /Linux-v5.4/drivers/gpu/drm/nouveau/nvkm/engine/gr/ |
| D | nv40.c | 36 return nvkm_rd32(gr->engine.subdev.device, 0x1540); in nv40_gr_units()
47 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 20, align, in nv40_gr_object_bind()
79 int ret = nvkm_gpuobj_new(gr->base.engine.subdev.device, gr->size, in nv40_gr_chan_bind()
84 nv40_grctx_fill(gr->base.engine.subdev.device, *pgpuobj); in nv40_gr_chan_bind()
97 struct nvkm_device *device = subdev->device; in nv40_gr_chan_fini() local
101 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000); in nv40_gr_chan_fini()
103 if (nvkm_rd32(device, 0x40032c) == inst) { in nv40_gr_chan_fini()
105 nvkm_wr32(device, 0x400720, 0x00000000); in nv40_gr_chan_fini()
106 nvkm_wr32(device, 0x400784, inst); in nv40_gr_chan_fini()
107 nvkm_mask(device, 0x400310, 0x00000020, 0x00000020); in nv40_gr_chan_fini()
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| D | nv20.c | 34 struct nvkm_device *device = gr->base.engine.subdev.device; in nv20_gr_chan_fini() local
38 nvkm_mask(device, 0x400720, 0x00000001, 0x00000000); in nv20_gr_chan_fini()
39 if (nvkm_rd32(device, 0x400144) & 0x00010000) in nv20_gr_chan_fini()
40 chid = (nvkm_rd32(device, 0x400148) & 0x1f000000) >> 24; in nv20_gr_chan_fini()
42 nvkm_wr32(device, 0x400784, inst >> 4); in nv20_gr_chan_fini()
43 nvkm_wr32(device, 0x400788, 0x00000002); in nv20_gr_chan_fini()
44 nvkm_msec(device, 2000, in nv20_gr_chan_fini()
45 if (!nvkm_rd32(device, 0x400700)) in nv20_gr_chan_fini()
48 nvkm_wr32(device, 0x400144, 0x10000000); in nv20_gr_chan_fini()
49 nvkm_mask(device, 0x400148, 0xff000000, 0x1f000000); in nv20_gr_chan_fini()
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| /Linux-v5.4/drivers/acpi/ |
| D | device_pm.c | 3 * drivers/acpi/device_pm.c - ACPI device power management routines.
27 * acpi_power_state_string - String representation of ACPI device power state.
28 * @state: ACPI device power state to return the string representation of.
48 static int acpi_dev_pm_explicit_get(struct acpi_device *device, int *state) in acpi_dev_pm_explicit_get() argument
53 status = acpi_evaluate_integer(device->handle, "_PSC", NULL, &psc); in acpi_dev_pm_explicit_get()
62 * acpi_device_get_power - Get power state of an ACPI device.
63 * @device: Device to get the power state of.
64 * @state: Place to store the power state of the device.
66 * This function does not update the device's power.state field, but it may
68 * unknown and the device's power state turns out to be D0).
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| D | scan.c | 31 #define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent) argument
35 static const char *dummy_hid = "device";
47 * The UART device described by the SPCR table is the only object which needs
144 struct acpi_device *device = NULL; in acpi_bus_offline() local
149 if (acpi_bus_get_device(handle, &device)) in acpi_bus_offline()
152 if (device->handler && !device->handler->hotplug.enabled) { in acpi_bus_offline()
153 *ret_p = &device->dev; in acpi_bus_offline()
157 mutex_lock(&device->physical_node_lock); in acpi_bus_offline()
159 list_for_each_entry(pn, &device->physical_node_list, node) { in acpi_bus_offline()
181 mutex_unlock(&device->physical_node_lock); in acpi_bus_offline()
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| /Linux-v5.4/drivers/gpu/drm/nouveau/nvkm/engine/fifo/ |
| D | nv04.c | 52 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv04_fifo_pause() local
58 nvkm_wr32(device, NV03_PFIFO_CACHES, 0x00000000); in nv04_fifo_pause()
59 nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000000); in nv04_fifo_pause()
70 nvkm_msec(device, 2000, in nv04_fifo_pause()
71 u32 tmp = nvkm_rd32(device, NV04_PFIFO_CACHE1_PULL0); in nv04_fifo_pause()
76 if (nvkm_rd32(device, NV04_PFIFO_CACHE1_PULL0) & in nv04_fifo_pause()
78 nvkm_wr32(device, NV03_PFIFO_INTR_0, NV_PFIFO_INTR_CACHE_ERROR); in nv04_fifo_pause()
80 nvkm_wr32(device, NV04_PFIFO_CACHE1_HASH, 0x00000000); in nv04_fifo_pause()
88 struct nvkm_device *device = fifo->base.engine.subdev.device; in nv04_fifo_start() local
91 nvkm_mask(device, NV04_PFIFO_CACHE1_PULL0, 0x00000001, 0x00000001); in nv04_fifo_start()
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| /Linux-v5.4/drivers/gpu/drm/nouveau/nvkm/engine/disp/ |
| D | vga.c | 27 nvkm_rdport(struct nvkm_device *device, int head, u16 port) in nvkm_rdport() argument
29 if (device->card_type >= NV_50) in nvkm_rdport()
30 return nvkm_rd08(device, 0x601000 + port); in nvkm_rdport()
35 return nvkm_rd08(device, 0x601000 + (head * 0x2000) + port); in nvkm_rdport()
40 if (device->card_type < NV_40) in nvkm_rdport()
42 return nvkm_rd08(device, 0x0c0000 + (head * 0x2000) + port); in nvkm_rdport()
49 nvkm_wrport(struct nvkm_device *device, int head, u16 port, u8 data) in nvkm_wrport() argument
51 if (device->card_type >= NV_50) in nvkm_wrport()
52 nvkm_wr08(device, 0x601000 + port, data); in nvkm_wrport()
57 nvkm_wr08(device, 0x601000 + (head * 0x2000) + port, data); in nvkm_wrport()
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| D | sorg94.c | 31 struct nvkm_device *device = sor->disp->engine.subdev.device; in g94_sor_dp_watermark() local
33 nvkm_mask(device, 0x61c128 + loff, 0x0000003f, watermark); in g94_sor_dp_watermark()
40 struct nvkm_device *device = sor->disp->engine.subdev.device; in g94_sor_dp_activesym() local
42 nvkm_mask(device, 0x61c10c + loff, 0x000001fc, TU << 2); in g94_sor_dp_activesym()
43 nvkm_mask(device, 0x61c128 + loff, 0x010f7f00, VTUa << 24 | in g94_sor_dp_activesym()
51 struct nvkm_device *device = sor->disp->engine.subdev.device; in g94_sor_dp_audio_sym() local
53 nvkm_mask(device, 0x61c1e8 + soff, 0x0000ffff, h); in g94_sor_dp_audio_sym()
54 nvkm_mask(device, 0x61c1ec + soff, 0x00ffffff, v); in g94_sor_dp_audio_sym()
60 struct nvkm_device *device = sor->disp->engine.subdev.device; in g94_sor_dp_drive() local
65 data[0] = nvkm_rd32(device, 0x61c118 + loff) & ~(0x000000ff << shift); in g94_sor_dp_drive()
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| /Linux-v5.4/drivers/hid/intel-ish-hid/ishtp/ |
| D | bus.c | 11 #include <linux/device.h>
29 * @dev: ishtp device
73 * @dev: ishtp device
104 * @dev: ishtp device
121 * @dev: ishtp device
142 * @dev: the ishtp device structure
180 * @dev: the ishtp device structure
206 * @dev: the device structure
212 static int ishtp_cl_device_probe(struct device *dev) in ishtp_cl_device_probe()
214 struct ishtp_cl_device *device = to_ishtp_cl_device(dev); in ishtp_cl_device_probe() local
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