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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49d20fce7a7sm293895575e9.4.2026.09.10.07.16.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2026 07:16:57 -0700 (PDT) From: Ernest Van Hoecke Date: Thu, 10 Sep 2026 16:16:48 +0200 Subject: [PATCH v2 7/7] of: unittest: Test fw_devlink with clock nexus maps Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260910-fw-devlink-nexus-ready-v2-7-17ac82dbe226@toradex.com> References: <20260910-fw-devlink-nexus-ready-v2-0-17ac82dbe226@toradex.com> In-Reply-To: <20260910-fw-devlink-nexus-ready-v2-0-17ac82dbe226@toradex.com> To: Rob Herring , Saravana Kannan Cc: "Miquel Raynal (Schneider Electric)" , Frank Li , Kieran Bingham , Pengutronix Kernel Team , Stephen Boyd , Brian Masney , Linus Walleij , Bartosz Golaszewski , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Herve Codina , Greg Kroah-Hartman , Geert Uytterhoeven , Leonardo Costa , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, Ernest Van Hoecke X-Mailer: b4 0.13.0 From: Ernest Van Hoecke Extend the fw_devlink OF unit tests with clock references routed through a nexus map. Verify that the mapped consumer has exactly one link to the final clock provider rather than to the nexus. Also cover a direct clock reference to ensure that it continues to resolve to the original provider when no map is present. Signed-off-by: Ernest Van Hoecke --- drivers/of/unittest-data/tests-phandle.dtsi | 14 ++++++++++++++ drivers/of/unittest.c | 2 ++ 2 files changed, 16 insertions(+) diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index eef966615b22..aaf0b871c01d 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -81,6 +81,10 @@ consumer-b { }; fw-devlink-tests { + clock_provider: clock-controller { + #clock-cells = <1>; + }; + gpio_provider: gpio-controller { #gpio-cells = <2>; }; @@ -90,8 +94,10 @@ pwm_provider: pwm-controller { }; fwdevlink_nexus: nexus { + #clock-cells = <1>; #gpio-cells = <2>; #pwm-cells = <2>; + clock-map = <0 &clock_provider 1>; gpio-map = <0 0 &gpio_provider 1 0>; gpio-map-mask = <0xffffffff 0>; gpio-map-pass-thru = <0 0xffffffff>; @@ -100,6 +106,14 @@ fwdevlink_nexus: nexus { pwm-map-pass-thru = <0 0xffffffff>; }; + clock-consumer { + clocks = <&fwdevlink_nexus 0>; + }; + + clock-direct-consumer { + clocks = <&clock_provider 1>; + }; + gpio-compat-consumer { gpios = <&fwdevlink_nexus 0 0>; }; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index b739a69997a9..2859a44c3fe5 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -765,6 +765,8 @@ static void __init of_unittest_fw_devlink(void) const char *consumer; const char *supplier; } cases[] = { + { "clock-consumer", "clock-controller" }, + { "clock-direct-consumer", "clock-controller" }, { "gpio-compat-consumer", "gpio-controller" }, { "gpio-compat-singular-consumer", "gpio-controller" }, { "gpio-consumer", "gpio-controller" }, -- 2.43.0