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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e1d830e91sm6114754f8f.54.2026.10.20.06.00.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2026 06:00:25 -0700 (PDT) From: Ernest Van Hoecke Date: Tue, 20 Oct 2026 15:00:17 +0200 Subject: [PATCH v3 6/8] of: unittest: Test fw_devlink with PWM 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-v3-6-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 PWM references routed through a nexus map. Verify that the mapped consumer has exactly one link to the final PWM provider rather than to the nexus. Also cover a direct PWM 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 pwm-map entries to two providers, use a middle entry (Herve) v2: https://lore.kernel.org/r/20260910-fw-devlink-nexus-ready-v2-5-17ac82dbe226@toradex.com --- drivers/of/unittest-data/tests-phandle.dtsi | 22 ++++++++++++++++++++++ drivers/of/unittest.c | 2 ++ 2 files changed, 24 insertions(+) diff --git a/drivers/of/unittest-data/tests-phandle.dtsi b/drivers/of/unittest-data/tests-phandle.dtsi index f5d7ee072c90..1fd465bb8f79 100644 --- a/drivers/of/unittest-data/tests-phandle.dtsi +++ b/drivers/of/unittest-data/tests-phandle.dtsi @@ -89,13 +89,27 @@ gpio_provider_b: gpio-controller-b { #gpio-cells = <2>; }; + pwm_provider_a: pwm-controller-a { + #pwm-cells = <2>; + }; + + pwm_provider_b: pwm-controller-b { + #pwm-cells = <2>; + }; + fwdevlink_nexus: nexus { #gpio-cells = <2>; + #pwm-cells = <2>; gpio-map = <1 0 &gpio_provider_a 3 0>, <2 0 &gpio_provider_b 5 0>, <3 0 &gpio_provider_a 7 0>; gpio-map-mask = <0xffffffff 0>; gpio-map-pass-thru = <0 0xffffffff>; + pwm-map = <1 0 &pwm_provider_a 3 0>, + <2 0 &pwm_provider_b 5 0>, + <3 0 &pwm_provider_a 7 0>; + pwm-map-mask = <0xffffffff 0>; + pwm-map-pass-thru = <0 0xffffffff>; }; gpio-compat-consumer { @@ -117,6 +131,14 @@ gpio-direct-consumer { gpio-singular-consumer { test-gpio = <&fwdevlink_nexus 2 1>; }; + + pwm-consumer { + pwms = <&fwdevlink_nexus 2 1000>; + }; + + pwm-direct-consumer { + pwms = <&pwm_provider_a 1 0>; + }; }; }; }; diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index f15c110dbf4d..320a992c4310 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -770,6 +770,8 @@ static void __init of_unittest_fw_devlink(void) { "gpio-consumer", "gpio-controller-b" }, { "gpio-direct-consumer", "gpio-controller-a" }, { "gpio-singular-consumer", "gpio-controller-b" }, + { "pwm-consumer", "pwm-controller-b" }, + { "pwm-direct-consumer", "pwm-controller-a" }, }; struct device_node *tests; int i; -- 2.43.0