diff options
Diffstat (limited to 'Documentation/usb')
| -rw-r--r-- | Documentation/usb/gadget_configfs.txt | 2 | ||||
| -rw-r--r-- | Documentation/usb/gadget_hid.txt | 7 | ||||
| -rw-r--r-- | Documentation/usb/power-management.txt | 17 | ||||
| -rw-r--r-- | Documentation/usb/usb-serial.txt | 2 |
4 files changed, 18 insertions, 10 deletions
diff --git a/Documentation/usb/gadget_configfs.txt b/Documentation/usb/gadget_configfs.txt index 4cf53e406613..635e57493709 100644 --- a/Documentation/usb/gadget_configfs.txt +++ b/Documentation/usb/gadget_configfs.txt @@ -376,7 +376,7 @@ functions and binds them. This way the whole gadget is bound. configured, so config_groups for particular functions are defined in the functions implementation files drivers/usb/gadget/f_*.c. -5. Funciton's code is written in such a way that it uses +5. Function's code is written in such a way that it uses usb_get_function_instance(), which, in turn, calls request_module. So, provided that modprobe works, modules for particular functions diff --git a/Documentation/usb/gadget_hid.txt b/Documentation/usb/gadget_hid.txt index 12696c2e43fb..7a0fb8e16e27 100644 --- a/Documentation/usb/gadget_hid.txt +++ b/Documentation/usb/gadget_hid.txt @@ -74,6 +74,13 @@ static struct platform_device my_hid = { You can add as many HID functions as you want, only limited by the amount of interrupt endpoints your gadget driver supports. +Configuration with configfs + + Instead of adding fake platform devices and drivers in order to pass + some data to the kernel, if HID is a part of a gadget composed with + configfs the hidg_func_descriptor.report_desc is passed to the kernel + by writing the appropriate stream of bytes to a configfs attribute. + Send and receive HID reports HID reports can be sent/received using read/write on the diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt index 7b90fe034c4b..b5f83911732a 100644 --- a/Documentation/usb/power-management.txt +++ b/Documentation/usb/power-management.txt @@ -47,14 +47,15 @@ dynamic PM is implemented in the USB subsystem, although system PM is covered to some extent (see Documentation/power/*.txt for more information about system PM). -Note: Dynamic PM support for USB is present only if the kernel was -built with CONFIG_USB_SUSPEND enabled (which depends on -CONFIG_PM_RUNTIME). System PM support is present only if the kernel -was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled. - -(Starting with the 3.10 kernel release, dynamic PM support for USB is -present whenever the kernel was built with CONFIG_PM_RUNTIME enabled. -The CONFIG_USB_SUSPEND option has been eliminated.) +System PM support is present only if the kernel was built with CONFIG_SUSPEND +or CONFIG_HIBERNATION enabled. Dynamic PM support for USB is present whenever +the kernel was built with CONFIG_PM enabled. + +[Historically, dynamic PM support for USB was present only if the +kernel had been built with CONFIG_USB_SUSPEND enabled (which depended on +CONFIG_PM_RUNTIME). Starting with the 3.10 kernel release, dynamic PM support +for USB was present whenever the kernel was built with CONFIG_PM_RUNTIME +enabled. The CONFIG_USB_SUSPEND option had been eliminated.] What is Remote Wakeup? diff --git a/Documentation/usb/usb-serial.txt b/Documentation/usb/usb-serial.txt index 5bd7926185e8..947fa62bccf2 100644 --- a/Documentation/usb/usb-serial.txt +++ b/Documentation/usb/usb-serial.txt @@ -145,7 +145,7 @@ Keyspan PDA Serial Adapter Single port DB-9 serial adapter, pushed as a PDA adapter for iMacs (mostly sold in Macintosh catalogs, comes in a translucent white/green dongle). Fairly simple device. Firmware is homebrew. - This driver also works for the Xircom/Entrgra single port serial adapter. + This driver also works for the Xircom/Entrega single port serial adapter. Current status: Things that work: |