From: Stephen Boyd <sboyd@kernel.org>
To: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
patches@lists.linux.dev,
Brendan Higgins <brendan.higgins@linux.dev>,
David Gow <davidgow@google.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Frank Rowand <frowand.list@gmail.com>,
Christian Marangi <ansuelsmth@gmail.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
devicetree@vger.kernel.org, linux-kselftest@vger.kernel.org,
kunit-dev@googlegroups.com, Maxime Ripard <maxime@cerno.tech>
Subject: [PATCH v3 01/11] of: Add KUnit test to confirm DTB is loaded
Date: Mon, 27 Mar 2023 15:21:49 -0700 [thread overview]
Message-ID: <20230327222159.3509818-2-sboyd@kernel.org> (raw)
In-Reply-To: <20230327222159.3509818-1-sboyd@kernel.org>
Add a simple KUnit test that confirms a DTB has been loaded, i.e. there
is a root node.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---
drivers/of/.kunitconfig | 3 +++
drivers/of/Kconfig | 9 +++++++++
drivers/of/Makefile | 2 ++
drivers/of/of_test.c | 34 ++++++++++++++++++++++++++++++++++
4 files changed, 48 insertions(+)
create mode 100644 drivers/of/.kunitconfig
create mode 100644 drivers/of/of_test.c
diff --git a/drivers/of/.kunitconfig b/drivers/of/.kunitconfig
new file mode 100644
index 000000000000..5a8fee11978c
--- /dev/null
+++ b/drivers/of/.kunitconfig
@@ -0,0 +1,3 @@
+CONFIG_KUNIT=y
+CONFIG_OF=y
+CONFIG_OF_KUNIT_TEST=y
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 194e090ceee8..1b995cecf5be 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -37,6 +37,15 @@ config OF_UNITTEST
If unsure, say N here. This option is not safe to enable.
+config OF_KUNIT_TEST
+ tristate "Devicetree KUnit DTB Test" if !KUNIT_ALL_TESTS
+ depends on KUNIT
+ default KUNIT_ALL_TESTS
+ help
+ This option builds KUnit unit tests for device tree infrastructure.
+
+ If unsure, say N here, but this option is safe to enable.
+
config OF_ALL_DTBS
bool "Build all Device Tree Blobs"
depends on COMPILE_TEST
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index cbae92c5ed02..b11a8adcb985 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -19,4 +19,6 @@ obj-y += kexec.o
endif
endif
+obj-$(CONFIG_OF_KUNIT_TEST) += of_test.o
+
obj-$(CONFIG_OF_UNITTEST) += unittest-data/
diff --git a/drivers/of/of_test.c b/drivers/of/of_test.c
new file mode 100644
index 000000000000..08b670aee083
--- /dev/null
+++ b/drivers/of/of_test.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KUnit tests for OF APIs
+ */
+#include <linux/module.h>
+#include <linux/of.h>
+
+#include <kunit/test.h>
+
+/*
+ * Test that the root node / exists.
+ */
+static void dtb_root_node_exists(struct kunit *test)
+{
+ KUNIT_EXPECT_NOT_ERR_OR_NULL(test, of_find_node_by_path("/"));
+}
+
+static struct kunit_case dtb_test_cases[] = {
+ KUNIT_CASE(dtb_root_node_exists),
+ {}
+};
+
+/*
+ * Test suite to confirm a live DTB is loaded.
+ */
+static struct kunit_suite dtb_suite = {
+ .name = "dtb",
+ .test_cases = dtb_test_cases,
+};
+
+kunit_test_suites(
+ &dtb_suite,
+);
+MODULE_LICENSE("GPL");
--
https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/
https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git
next prev parent reply other threads:[~2023-03-27 22:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 22:21 [PATCH v3 00/11] clk: Add kunit tests for fixed rate and parent data Stephen Boyd
2023-03-27 22:21 ` Stephen Boyd [this message]
2023-03-27 22:21 ` [PATCH v3 02/11] of: Add test managed wrappers for of_overlay_apply()/of_node_put() Stephen Boyd
2023-04-06 14:35 ` Rob Herring
2023-03-27 22:21 ` [PATCH v3 03/11] dt-bindings: vendor-prefixes: Add "test" vendor for KUnit and friends Stephen Boyd
2023-04-06 15:02 ` Rob Herring
2023-03-27 22:21 ` [PATCH v3 04/11] dt-bindings: test: Add KUnit empty node binding Stephen Boyd
2023-04-06 15:02 ` Rob Herring
2023-03-27 22:21 ` [PATCH v3 05/11] of: Add a KUnit test for overlays and test managed APIs Stephen Boyd
2023-04-06 14:59 ` Rob Herring
2023-04-13 0:04 ` Daniel Latypov
2023-03-27 22:21 ` [PATCH v3 06/11] platform: Add test managed platform_device/driver APIs Stephen Boyd
2023-03-27 22:21 ` [PATCH v3 07/11] dt-bindings: kunit: Add fixed rate clk consumer test Stephen Boyd
2023-04-06 15:02 ` Rob Herring
2023-03-27 22:21 ` [PATCH v3 08/11] clk: Add test managed clk provider/consumer APIs Stephen Boyd
2023-03-27 22:21 ` [PATCH v3 09/11] clk: Add KUnit tests for clk fixed rate basic type Stephen Boyd
2023-03-27 22:21 ` [PATCH v3 10/11] dt-bindings: clk: Add KUnit clk_parent_data test Stephen Boyd
2023-04-06 15:03 ` Rob Herring
2023-03-27 22:21 ` [PATCH v3 11/11] clk: Add KUnit tests for clks registered with struct clk_parent_data Stephen Boyd
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230327222159.3509818-2-sboyd@kernel.org \
--to=sboyd@kernel.org \
--cc=ansuelsmth@gmail.com \
--cc=brendan.higgins@linux.dev \
--cc=davidgow@google.com \
--cc=devicetree@vger.kernel.org \
--cc=frowand.list@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=kunit-dev@googlegroups.com \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=maxime@cerno.tech \
--cc=mturquette@baylibre.com \
--cc=patches@lists.linux.dev \
--cc=rafael@kernel.org \
--cc=robh+dt@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).