Vishal Badole 888a44f261 clk: Show active consumers of clocks in debugfs
[ Upstream commit dcce5cc7826e9c6b3a2443e5e6b7f8d02a103c35 ]

This feature lists the clock consumer's name and respective connection
id. Using this feature user can easily check that which user has
acquired and enabled a particular clock.

Usage:
>> cat /sys/kernel/debug/clk/clk_summary
                      enable  prepare  protect
                                                                          duty  hardware                            Connection
   clock               count    count    count    rate   accuracy phase  cycle    enable   consumer                         Id
------------------------------------------------------------------------------------------------------------------------------
 clk_mcasp0_fixed         0        0        0    24576000          0      0  50000     Y   deviceless                     of_clk_get_from_provider
                                                                                           deviceless                     no_connection_id
    clk_mcasp0            0        0        0    24576000          0      0  50000     N      simple-audio-card,cpu           no_connection_id
                                                                                              deviceless                      no_connection_id

Co-developed-by: Chinmoy Ghosh <chinmoyghosh2001@gmail.com>
Signed-off-by: Chinmoy Ghosh <chinmoyghosh2001@gmail.com>
Co-developed-by: Mintu Patel <mintupatel89@gmail.com>
Signed-off-by: Mintu Patel <mintupatel89@gmail.com>
Co-developed-by: Vimal Kumar <vimal.kumar32@gmail.com>
Signed-off-by: Vimal Kumar <vimal.kumar32@gmail.com>
Signed-off-by: Vishal Badole <badolevishal1116@gmail.com>
Link: https://lore.kernel.org/r/1669569799-8526-1-git-send-email-badolevishal1116@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Stable-dep-of: 9d1e795f754d ("clk: Get runtime PM before walking tree for clk_summary")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-04-27 17:11:37 +02:00
2023-08-31 12:20:12 -07:00
2024-04-03 15:28:17 +02:00
2024-02-16 19:10:43 +01:00
2022-09-28 09:02:20 +02:00
2022-10-10 12:00:45 -07:00
2024-04-17 11:19:38 +02:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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