diff options
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/tty/console.rst | 45 | ||||
| -rw-r--r-- | Documentation/driver-api/tty/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/driver-api/usb/callbacks.rst | 6 |
3 files changed, 50 insertions, 2 deletions
diff --git a/Documentation/driver-api/tty/console.rst b/Documentation/driver-api/tty/console.rst new file mode 100644 index 000000000000..4348e36cd33b --- /dev/null +++ b/Documentation/driver-api/tty/console.rst @@ -0,0 +1,45 @@ +.. SPDX-License-Identifier: GPL-2.0 + +======= +Console +======= + +.. contents:: :local: + +Struct Console +============== + +.. kernel-doc:: include/linux/console.h + :identifiers: console cons_flags + +Internals +--------- + +.. kernel-doc:: include/linux/console.h + :identifiers: nbcon_state nbcon_prio nbcon_context nbcon_write_context + +Struct Consw +============ + +.. kernel-doc:: include/linux/console.h + :identifiers: consw + +Console functions +================= + +.. kernel-doc:: include/linux/console.h + :identifiers: console_srcu_read_flags console_srcu_write_flags + console_is_registered for_each_console_srcu for_each_console + +.. kernel-doc:: drivers/tty/vt/selection.c + :export: +.. kernel-doc:: drivers/tty/vt/vt.c + :export: + +Internals +--------- + +.. kernel-doc:: drivers/tty/vt/selection.c + :internal: +.. kernel-doc:: drivers/tty/vt/vt.c + :internal: diff --git a/Documentation/driver-api/tty/index.rst b/Documentation/driver-api/tty/index.rst index b490da11f257..c1ffe3d1ec46 100644 --- a/Documentation/driver-api/tty/index.rst +++ b/Documentation/driver-api/tty/index.rst @@ -38,6 +38,7 @@ In-detail description of the named TTY structures is in separate documents: tty_buffer tty_ioctl tty_internals + console Writing TTY Driver ================== diff --git a/Documentation/driver-api/usb/callbacks.rst b/Documentation/driver-api/usb/callbacks.rst index 2b80cf54bcc3..927da49b8f00 100644 --- a/Documentation/driver-api/usb/callbacks.rst +++ b/Documentation/driver-api/usb/callbacks.rst @@ -99,8 +99,10 @@ The disconnect() callback This callback is a signal to break any connection with an interface. You are not allowed any IO to a device after returning from this callback. You also may not do any other operation that may interfere -with another driver bound the interface, eg. a power management -operation. +with another driver bound to the interface, eg. a power management +operation. Outstanding operations on the device must be completed or +aborted before this callback may return. + If you are called due to a physical disconnection, all your URBs will be killed by usbcore. Note that in this case disconnect will be called some time after the physical disconnection. Thus your driver must be prepared |