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/linux/drivers/usb/misc/
H A Donboard_usb_dev_pdevs.c40 * hubs, it can optionally control whether the device remains powered during
49 * Root hubs don't have dedicated device tree nodes, but use the node of their
51 * node. That means the root hubs of the primary and secondary HCD share the
53 * twice with the same DT node for root hubs. We only want to create a single
54 * platform device for each physical onboard device, hence for root hubs the
59 * Further there must be only one platform device for onboard hubs with a peer
61 * taken: pdevs for onboard hubs with a peer are only created when the function
63 * (directly or through other hubs). For onboard hubs connected to root hubs
H A Dehset.c25 * A list of USB hubs which requires to disable the power
42 * test command. Most hubs don't enforce this precondition, but there in ehset_prepare_port_for_testing()
43 * are some hubs which needs to disable the power to the port before in ehset_prepare_port_for_testing()
57 * For the hubs which are compliant with the spec, in ehset_prepare_port_for_testing()
141 * Note, this test is only supported on root hubs since the in ehset_probe()
/linux/Documentation/ABI/testing/
H A Dsysfs-firmware-sgi_uv52 hubs/
55 The hubs directory contains a number of hub objects, each representing
57 unique ordinal value (ex. /sys/firmware/sgi_uv/hubs/hub_5)
97 (ex. /sys/firmware/sgi_uv/hubs/hub_5/port_3)
116 /sys/firmware/sgi_uv/hubs/hub_5/port_3/conn_hub
119 /sys/firmware/sgi_uv/hubs/hub_5/port_3/conn_port
122 /sys/firmware/sgi_uv/hubs/hub_3/port_6
H A Dsysfs-bus-usb206 Most hubs are able to detect over-current situations on their
244 Vbus power output (but only on hubs that support
245 power switching -- most hubs don't support it). If
/linux/Documentation/usb/
H A Dehci.rst21 such devices. When USB 1.1 devices plug into USB 2.0 hubs, they
32 quite speedily on the 2.4 version of this driver), hubs have only
60 transaction translators (TTs) in USB 2.0 hubs. But you may find bugs.
144 However, do make a point of testing device drivers through USB 2.0 hubs.
145 Those hubs report some failures, such as disconnections, differently when
/linux/drivers/usb/core/
H A DKconfig84 bool "Disable external hubs"
88 external hubs. OTG hosts are allowed to reduce hardware
89 and software costs by not supporting external hubs. So
H A Dhub.c74 * Give SS hubs 200ms time after wake to train downstream links before
91 /* cycle leds on hubs that aren't blinking for attention */
94 MODULE_PARM_DESC(blinkenlights, "true to cycle leds on hubs");
323 /* How many external hubs are in between the device & the root port. */ in usb_set_lpm_sel()
747 * USB 3.0 hubs do not report the port link state change from U3 to U0 when the
966 /* Enable power on each port. Some hubs have reserved values in hub_power_on()
968 * USB 2.0 hubs. Some hubs do not implement port-power switching in hub_power_on()
1162 "LS/FS devices and hubs may not work under this hub\n"); in hub_activate()
1281 * for USB 3.0 hubs, since they don't have a suspend in hub_activate()
1601 /* USB 3.0 hubs don't have a TT */ in hub_configure()
[all …]
H A Dusb.c632 * @port1: one-based index of port; ignored for root hubs
659 /* Root hubs aren't true devices, so don't allocate HCD resources */ in usb_alloc_dev()
688 * dev->devpath will be stable until USB is re-cabled, and hubs in usb_alloc_dev()
703 /* match any labeling on the hubs; it's one-based */ in usb_alloc_dev()
711 /* Route string assumes hubs have less than 16 ports */ in usb_alloc_dev()
H A Dotg_productlist.h13 /* hubs are optional in OTG, but very handy ... */
H A Dhub.h88 * @req: default pm qos request for hubs without port power control
/linux/sound/soc/codecs/
H A Dwm8958-dsp2.c944 ret = snd_soc_add_component_controls(wm8994->hubs.component, in wm8958_dsp2_init()
947 dev_err(wm8994->hubs.component->dev, in wm8958_dsp2_init()
970 ret = snd_soc_add_component_controls(wm8994->hubs.component, in wm8958_dsp2_init()
973 dev_err(wm8994->hubs.component->dev, in wm8958_dsp2_init()
997 ret = snd_soc_add_component_controls(wm8994->hubs.component, in wm8958_dsp2_init()
1000 dev_err(wm8994->hubs.component->dev, in wm8958_dsp2_init()
1025 ret = snd_soc_add_component_controls(wm8994->hubs.component, in wm8958_dsp2_init()
1028 dev_err(wm8994->hubs.component->dev, in wm8958_dsp2_init()
/linux/drivers/platform/surface/
H A DKconfig76 tristate "Surface System Aggregator Module Subsystem Device Hubs"
90 Devices managed via these hubs are:
100 respective subsystem hubs. Both drivers and device specification (e.g.
H A Dsurface_aggregator_hub.c3 * Driver for Surface System Aggregator Module (SSAM) subsystem device hubs.
5 * Provides a driver for SSAM subsystems device hubs. This driver performs
6 * instantiation of the devices managed by said hubs and takes care of
/linux/include/uapi/linux/
H A Dusbdevice_fs.h95 /* 5 intermediate hubs, device), which */
145 /* You can do most things with hubs just through control messages,
/linux/Documentation/driver-api/usb/
H A Dpersist.rst15 is so that devices can maintain their internal state and hubs can
111 the feature by writing 0 instead of 1. For hubs the feature is
/linux/tools/include/uapi/linux/
H A Dusbdevice_fs.h
/linux/Documentation/leds/
H A Dledtrig-usbport.rst29 only one LED user will most likely want to assign ports from all 3 hubs.
/linux/drivers/fsi/
H A DKconfig42 master that is connected to the upstream master via a slave. Hubs
/linux/Documentation/devicetree/bindings/usb/
H A Dmicrochip,usb5744.yaml14 speeds. The new SuperSpeed hubs operate in parallel with the USB 2.0
/linux/drivers/usb/usbip/
H A Dvhci.h82 /* Each VHCI has 2 hubs (USB2 and USB3), each has VHCI_HC_PORTS ports */
/linux/drivers/usb/
H A DKconfig58 leaves and the inner nodes are special USB devices called hubs.
/linux/drivers/mtd/maps/
H A Dichxrom.c107 * Also you can page firmware hubs if an 8MB window isn't enough in ichxrom_init_one()
231 /* Firmware hubs only use vpp when being programmed in ichxrom_init_one()
H A Desb2rom.c165 * Also you can page firmware hubs if an 8MiB window isn't enough in esb2rom_init_one()
297 /* Firmware hubs only use vpp when being programmed in esb2rom_init_one()
/linux/Documentation/networking/pse-pd/
H A Dintroduction.rst11 switches and hubs that supply power to Powered Devices (PDs) such as IP
/linux/Documentation/ABI/stable/
H A Dsysfs-bus-usb9 hubs this facility is always enabled and their device

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