From: "Rob Herring (Arm)" <robh@kernel.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Daniel Scally <djrscally@gmail.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Sakari Ailus <sakari.ailus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Danilo Krummrich <dakr@kernel.org>,
Saravana Kannan <saravanak@google.com>
Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Subject: [PATCH 0/2] device property: Warn on (of|fwnode|device)_property_read_bool() for non-boolean properties
Date: Thu, 09 Jan 2025 13:42:04 -0600 [thread overview]
Message-ID: <20250109-dt-type-warnings-v1-0-0150e32e716c@kernel.org> (raw)
This series makes using (of|fwnode|device)_property_read_bool() on
non-boolean properties give a warning when used with DT. This has been
deprecated behavior for a while now. Soon we will add yet another
variant of this function with a Rust binding[1].
Why not put the warning in the fwnode code? The fwnode code doesn't know
the property's type as that depends on the firmware. For DT, a boolean
is a property with no value.
Perhaps the ACPI backend should have a warning too? I looked briefly at
it, but I don't have a clue how or if that can be detected. Doesn't look
like there's a specific type for booleans. In any case, that would be an
additional change on top of this series.
[1] https://lore.kernel.org/all/20241025-rust-platform-dev-v1-2-0df8dcf7c20b@kernel.org/
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
---
Rob Herring (Arm) (2):
device property: Split property reading bool and presence test ops
of: Warn when of_property_read_bool() is used on non-boolean properties
drivers/acpi/property.c | 1 +
drivers/base/property.c | 38 ++++++++++++++++++++++++++++++++++++++
drivers/base/swnode.c | 1 +
drivers/of/property.c | 33 +++++++++++++++++++++++++++++++++
include/linux/fwnode.h | 3 +++
include/linux/of.h | 29 ++++++++++-------------------
include/linux/property.h | 15 +++------------
7 files changed, 89 insertions(+), 31 deletions(-)
---
base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37
change-id: 20250109-dt-type-warnings-efe52d977bb2
Best regards,
--
Rob Herring (Arm) <robh@kernel.org>
next reply other threads:[~2025-01-09 19:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-09 19:42 Rob Herring (Arm) [this message]
2025-01-09 19:42 ` [PATCH 1/2] device property: Split property reading bool and presence test ops Rob Herring (Arm)
2025-01-10 15:05 ` Greg Kroah-Hartman
2025-01-11 10:14 ` Krzysztof Kozlowski
2025-01-13 19:06 ` Rafael J. Wysocki
2025-01-15 7:23 ` Sakari Ailus
2025-01-09 19:42 ` [PATCH 2/2] of: Warn when of_property_read_bool() is used on non-boolean properties Rob Herring (Arm)
2025-01-11 10:12 ` Krzysztof Kozlowski
2025-01-14 18:35 ` Geert Uytterhoeven
2025-01-14 19:10 ` Andy Shevchenko
2025-01-14 19:19 ` Rob Herring
2025-01-15 11:20 ` Geert Uytterhoeven
2025-03-10 13:15 ` Geert Uytterhoeven
2025-01-13 8:58 ` [PATCH 0/2] device property: Warn on (of|fwnode|device)_property_read_bool() for " Andy Shevchenko
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