Cole Leavitt 8cd48ca82e soundwire: bus: demote UNATTACHED state warnings to dev_dbg()
[ Upstream commit 2c96956fe7 ]

The dev_warn() messages in sdw_handle_slave_status() for UNATTACHED
transitions were added in commit d1b3285570 ("soundwire: bus: add
dev_warn() messages to track UNATTACHED devices") to debug attachment
failures with dynamic debug enabled.

These warnings fire during normal operation -- for example when a codec
driver triggers a hardware reset after firmware download, causing the
device to momentarily go UNATTACHED before re-attaching -- producing
misleading noise on every boot.

Demote the messages to dev_dbg() so they remain available via dynamic
debug for diagnosing real attachment failures without alarming users
during expected initialization sequences.

Fixes: d1b3285570 ("soundwire: bus: add dev_warn() messages to track UNATTACHED devices")
Signed-off-by: Cole Leavitt <cole@unwrap.rs>
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Link: https://patch.msgid.link/20260218180210.9263-1-cole@unwrap.rs
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-06-01 17:39:16 +02:00
2026-05-23 13:41:18 +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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