docs: counter: Document character device interface
authorWilliam Breathitt Gray <vilhelm.gray@gmail.com>
Wed, 29 Sep 2021 03:16:00 +0000 (12:16 +0900)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 17 Oct 2021 09:54:04 +0000 (10:54 +0100)
commita8a28737c2c568e55b9fdbe55ab02b5c7c4247b7
treebe3b9a969ee0a68a9c2e8525e8fe3a2939fe012f
parentb6c50affda5957a3629b149a91c7f6688ffce7f7
docs: counter: Document character device interface

This patch adds high-level documentation about the Counter subsystem
character device interface.

Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/7a71dff2868195901d074ae2ec1b5611838d4b24.1632884256.git.vilhelm.gray@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Documentation/driver-api/generic-counter.rst
Documentation/userspace-api/ioctl/ioctl-number.rst