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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e1d830e91sm6114754f8f.54.2026.10.20.06.00.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2026 06:00:29 -0700 (PDT) From: Ernest Van Hoecke Date: Tue, 20 Oct 2026 15:00:19 +0200 Subject: [PATCH v3 8/8] of: unittest: Test fw_devlink with clock nexus maps X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261020-fw-devlink-nexus-ready-v3-8-fd6f1c17e16d@toradex.com> References: <20261020-fw-devlink-nexus-ready-v3-0-fd6f1c17e16d@toradex.com> In-Reply-To: <20261020-fw-devlink-nexus-ready-v3-0-fd6f1c17e16d@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 , Frieder Schrempf , 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 --- v3: Route clock-map entries to two providers, use a middle entry (Herve) No clock-map-mask: only clock-map applies to clocks (aacc54c67869) v2: https://lore.kernel.org/r/20260910-fw-devlink-nexus-ready-v2-7-17ac82dbe226@toradex.com --- drivers/of/unittest-data/tests-phandle.dtsi | 20 ++++++++++++++++++++ drivers/of/unittest.c | 2 ++ 2 files changed, 22 insertions(+) diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index 1fd465bb8f79..8f86fcee4093 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -81,6 +81,14 @@ consumer-b { }; fw-devlink-tests { + clock_provider_a: clock-controller-a { + #clock-cells = <1>; + }; + + clock_provider_b: clock-controller-b { + #clock-cells = <1>; + }; + gpio_provider_a: gpio-controller-a { #gpio-cells = <2>; }; @@ -98,8 +106,12 @@ pwm_provider_b: pwm-controller-b { }; fwdevlink_nexus: nexus { + #clock-cells = <1>; #gpio-cells = <2>; #pwm-cells = <2>; + clock-map = <1 &clock_provider_a 3>, + <2 &clock_provider_b 5>, + <3 &clock_provider_a 7>; gpio-map = <1 0 &gpio_provider_a 3 0>, <2 0 &gpio_provider_b 5 0>, <3 0 &gpio_provider_a 7 0>; @@ -112,6 +124,14 @@ fwdevlink_nexus: nexus { pwm-map-pass-thru = <0 0xffffffff>; }; + clock-consumer { + clocks = <&fwdevlink_nexus 2>; + }; + + clock-direct-consumer { + clocks = <&clock_provider_a 1>; + }; + gpio-compat-consumer { gpios = <&fwdevlink_nexus 2 1>; }; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 320a992c4310..40d010c55b8f 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-b" }, + { "clock-direct-consumer", "clock-controller-a" }, { "gpio-compat-consumer", "gpio-controller-b" }, { "gpio-compat-singular-consumer", "gpio-controller-b" }, { "gpio-consumer", "gpio-controller-b" }, -- 2.43.0