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[73.183.52.120]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4b0aa1efe78sm76186821cf.8.2025.08.12.07.41.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Aug 2025 07:41:10 -0700 (PDT) From: Brian Masney Date: Tue, 12 Aug 2025 10:40:37 -0400 Subject: [PATCH v3 7/9] clk: test: introduce helper to create a mock mux 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: <20250812-clk-tests-docs-v3-7-054aed58dcd3@redhat.com> References: <20250812-clk-tests-docs-v3-0-054aed58dcd3@redhat.com> In-Reply-To: <20250812-clk-tests-docs-v3-0-054aed58dcd3@redhat.com> To: Michael Turquette , Stephen Boyd , Maxime Ripard Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Masney X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755009649; l=7421; i=bmasney@redhat.com; s=20250528; h=from:subject:message-id; bh=XHXNEFI9odB0IIoG8jChbqF/uj+50qUnXYV2Gp5unms=; b=g08sE/ZPUIcWigiq9gMMDGVozwCf9DVFr2Y7RbubTpS/IvY3INOf5roDMU6hCDonrKI96Tlg+ HtLYf/3OmNVC64Hj2VymeJrhDFyNEWoGlZwcFiGZnIQG9WbakfDQnth X-Developer-Key: i=bmasney@redhat.com; a=ed25519; pk=x20f2BQYftANnik+wvlm4HqLqAlNs/npfVcbhHPOK2U= Introduce a helper to create a mock mux to reduce code duplication. This also changes it so that the relevant clk_hws are registered with the kunit framework. Signed-off-by: Brian Masney --- drivers/clk/clk_test.c | 141 ++++++++++++++++++------------------------------- 1 file changed, 52 insertions(+), 89 deletions(-) diff --git a/drivers/clk/clk_test.c b/drivers/clk/clk_test.c index 2e002f3154430e8cd4bafb5addc350798d4b02bb..c91de77a5b7a90396d9b4819ff90087445316567 100644 --- a/drivers/clk/clk_test.c +++ b/drivers/clk/clk_test.c @@ -536,45 +536,64 @@ static struct kunit_suite clk_uncached_test_suite = { .test_cases = clk_uncached_test_cases, }; -static int -clk_multiple_parents_mux_test_init(struct kunit *test) -{ - struct clk_multiple_parent_ctx *ctx; - const char *parents[2] = { "parent-0", "parent-1"}; +static int clk_init_multiple_parent_ctx(struct kunit *test, + struct clk_multiple_parent_ctx *ctx, + const char *parent0_name, + unsigned long parent0_rate, + const char *parent1_name, + unsigned long parent1_rate, + const char *mux_name, int mux_flags, + const struct clk_ops *mux_ops) +{ + const struct clk_hw *parents[2]; int ret; - ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); - if (!ctx) - return -ENOMEM; - test->priv = ctx; - - ctx->parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT("parent-0", + ctx->parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT(parent0_name, &clk_dummy_rate_ops, 0); - ctx->parents_ctx[0].rate = DUMMY_CLOCK_RATE_1; + ctx->parents_ctx[0].rate = parent0_rate; ret = clk_hw_register_kunit(test, NULL, &ctx->parents_ctx[0].hw); if (ret) return ret; - ctx->parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT("parent-1", + ctx->parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT(parent1_name, &clk_dummy_rate_ops, 0); - ctx->parents_ctx[1].rate = DUMMY_CLOCK_RATE_2; + ctx->parents_ctx[1].rate = parent1_rate; ret = clk_hw_register_kunit(test, NULL, &ctx->parents_ctx[1].hw); if (ret) return ret; - ctx->current_parent = 0; - ctx->hw.init = CLK_HW_INIT_PARENTS("test-mux", parents, - &clk_multiple_parents_mux_ops, - CLK_SET_RATE_PARENT); + parents[0] = &ctx->parents_ctx[0].hw; + parents[1] = &ctx->parents_ctx[1].hw; + ctx->hw.init = CLK_HW_INIT_PARENTS_HW(mux_name, parents, + mux_ops, mux_flags); ret = clk_hw_register_kunit(test, NULL, &ctx->hw); if (ret) return ret; + ctx->current_parent = 0; + return 0; } +static int +clk_multiple_parents_mux_test_init(struct kunit *test) +{ + struct clk_multiple_parent_ctx *ctx; + + ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + test->priv = ctx; + + return clk_init_multiple_parent_ctx(test, ctx, + "parent-0", DUMMY_CLOCK_RATE_1, + "parent-1", DUMMY_CLOCK_RATE_2, + "test-mux", CLK_SET_RATE_PARENT, + &clk_multiple_parents_mux_ops); +} + /* * Test that for a clock with multiple parents, clk_get_parent() * actually returns the current one. @@ -2539,7 +2558,6 @@ static int clk_leaf_mux_set_rate_parent_test_init(struct kunit *test) { struct clk_leaf_mux_ctx *ctx; - const char *top_parents[2] = { "parent-0", "parent-1" }; int ret; ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); @@ -2547,27 +2565,11 @@ clk_leaf_mux_set_rate_parent_test_init(struct kunit *test) return -ENOMEM; test->priv = ctx; - ctx->mux_ctx.parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT("parent-0", - &clk_dummy_rate_ops, - 0); - ctx->mux_ctx.parents_ctx[0].rate = DUMMY_CLOCK_RATE_1; - ret = clk_hw_register(NULL, &ctx->mux_ctx.parents_ctx[0].hw); - if (ret) - return ret; - - ctx->mux_ctx.parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT("parent-1", - &clk_dummy_rate_ops, - 0); - ctx->mux_ctx.parents_ctx[1].rate = DUMMY_CLOCK_RATE_2; - ret = clk_hw_register(NULL, &ctx->mux_ctx.parents_ctx[1].hw); - if (ret) - return ret; - - ctx->mux_ctx.current_parent = 0; - ctx->mux_ctx.hw.init = CLK_HW_INIT_PARENTS("test-mux", top_parents, - &clk_multiple_parents_mux_ops, - 0); - ret = clk_hw_register(NULL, &ctx->mux_ctx.hw); + ret = clk_init_multiple_parent_ctx(test, &ctx->mux_ctx, + "parent-0", DUMMY_CLOCK_RATE_1, + "parent-1", DUMMY_CLOCK_RATE_2, + "test-mux", 0, + &clk_multiple_parents_mux_ops); if (ret) return ret; @@ -2755,7 +2757,6 @@ static int clk_mux_notifier_callback(struct notifier_block *nb, static int clk_mux_notifier_test_init(struct kunit *test) { struct clk_mux_notifier_ctx *ctx; - const char *top_parents[2] = { "parent-0", "parent-1" }; int ret; ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); @@ -2766,27 +2767,11 @@ static int clk_mux_notifier_test_init(struct kunit *test) init_waitqueue_head(&ctx->pre_rate_change.wq); init_waitqueue_head(&ctx->post_rate_change.wq); - ctx->mux_ctx.parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT("parent-0", - &clk_dummy_rate_ops, - 0); - ctx->mux_ctx.parents_ctx[0].rate = DUMMY_CLOCK_RATE_1; - ret = clk_hw_register(NULL, &ctx->mux_ctx.parents_ctx[0].hw); - if (ret) - return ret; - - ctx->mux_ctx.parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT("parent-1", - &clk_dummy_rate_ops, - 0); - ctx->mux_ctx.parents_ctx[1].rate = DUMMY_CLOCK_RATE_2; - ret = clk_hw_register(NULL, &ctx->mux_ctx.parents_ctx[1].hw); - if (ret) - return ret; - - ctx->mux_ctx.current_parent = 0; - ctx->mux_ctx.hw.init = CLK_HW_INIT_PARENTS("test-mux", top_parents, - &clk_multiple_parents_mux_ops, - 0); - ret = clk_hw_register(NULL, &ctx->mux_ctx.hw); + ret = clk_init_multiple_parent_ctx(test, &ctx->mux_ctx, + "parent-0", DUMMY_CLOCK_RATE_1, + "parent-1", DUMMY_CLOCK_RATE_2, + "test-mux", 0, + &clk_multiple_parents_mux_ops); if (ret) return ret; @@ -2869,39 +2854,17 @@ static int clk_mux_no_reparent_test_init(struct kunit *test) { struct clk_multiple_parent_ctx *ctx; - const char *parents[2] = { "parent-0", "parent-1"}; - int ret; ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; test->priv = ctx; - ctx->parents_ctx[0].hw.init = CLK_HW_INIT_NO_PARENT("parent-0", - &clk_dummy_rate_ops, - 0); - ctx->parents_ctx[0].rate = DUMMY_CLOCK_RATE_1; - ret = clk_hw_register(NULL, &ctx->parents_ctx[0].hw); - if (ret) - return ret; - - ctx->parents_ctx[1].hw.init = CLK_HW_INIT_NO_PARENT("parent-1", - &clk_dummy_rate_ops, - 0); - ctx->parents_ctx[1].rate = DUMMY_CLOCK_RATE_2; - ret = clk_hw_register(NULL, &ctx->parents_ctx[1].hw); - if (ret) - return ret; - - ctx->current_parent = 0; - ctx->hw.init = CLK_HW_INIT_PARENTS("test-mux", parents, - &clk_multiple_parents_no_reparent_mux_ops, - 0); - ret = clk_hw_register(NULL, &ctx->hw); - if (ret) - return ret; - - return 0; + return clk_init_multiple_parent_ctx(test, ctx, + "parent-0", DUMMY_CLOCK_RATE_1, + "parent-1", DUMMY_CLOCK_RATE_2, + "test-mux", 0, + &clk_multiple_parents_no_reparent_mux_ops); } static void -- 2.50.1