Messages in this thread | | | From | Daniel Latypov <> | Date | Wed, 19 Jan 2022 22:26:50 -0800 | Subject | Re: [PATCH v2] clk: gate: Add some kunit test suites |
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On Wed, Jan 19, 2022 at 9:23 PM Stephen Boyd <sboyd@kernel.org> wrote: > > Test various parts of the clk gate implementation with the kunit testing > framework. > > Reviewed-by: Brendan Higgins <brendanhiggins@google.com> > Acked-by: Daniel Latypov <dlatypov@google.com> > Cc: <kunit-dev@googlegroups.com> > Signed-off-by: Stephen Boyd <sboyd@kernel.org> > --- > > Changes from v1 (https://lore.kernel.org/r/20220115080657.2780989-1-sboyd@kernel.org): > * Changed file name to semi-match convention > * Changed Kconfig symbol name to match convention > * Changed kzalloc to test managed allocation > * Inlined check for ret where possible > > drivers/clk/.kunitconfig | 3 + > drivers/clk/Kconfig | 8 + > drivers/clk/Makefile | 1 + > drivers/clk/clk-gate_test.c | 469 ++++++++++++++++++++++++++++++++++++ > 4 files changed, 481 insertions(+) > create mode 100644 drivers/clk/.kunitconfig > create mode 100644 drivers/clk/clk-gate_test.c > > diff --git a/drivers/clk/.kunitconfig b/drivers/clk/.kunitconfig > new file mode 100644 > index 000000000000..3754fdb9485a > --- /dev/null > +++ b/drivers/clk/.kunitconfig > @@ -0,0 +1,3 @@ > +CONFIG_KUNIT=y > +CONFIG_COMMON_CLK=y > +CONFIG_CLK_GATE_KUNIT_TEST=y > diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig > index c5b3dc97396a..947cd0b12dbd 100644 > --- a/drivers/clk/Kconfig > +++ b/drivers/clk/Kconfig > @@ -421,4 +421,12 @@ source "drivers/clk/x86/Kconfig" > source "drivers/clk/xilinx/Kconfig" > source "drivers/clk/zynqmp/Kconfig" > > +# Kunit test cases > +config CLK_GATE_KUNIT_TEST > + tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS > + depends on KUNIT > + default KUNIT_ALL_TESTS > + help > + Kunit test for the basic clk gate type. > + > endif > diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile > index e42312121e51..52faef37bc9b 100644 > --- a/drivers/clk/Makefile > +++ b/drivers/clk/Makefile > @@ -6,6 +6,7 @@ obj-$(CONFIG_COMMON_CLK) += clk-divider.o > obj-$(CONFIG_COMMON_CLK) += clk-fixed-factor.o > obj-$(CONFIG_COMMON_CLK) += clk-fixed-rate.o > obj-$(CONFIG_COMMON_CLK) += clk-gate.o > +obj-$(CONFIG_CLK_GATE_KUNIT_TEST) += clk-gate_test.o > obj-$(CONFIG_COMMON_CLK) += clk-multiplier.o > obj-$(CONFIG_COMMON_CLK) += clk-mux.o > obj-$(CONFIG_COMMON_CLK) += clk-composite.o > diff --git a/drivers/clk/clk-gate_test.c b/drivers/clk/clk-gate_test.c > new file mode 100644 > index 000000000000..2448ff0d1d68 > --- /dev/null > +++ b/drivers/clk/clk-gate_test.c > @@ -0,0 +1,469 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Kunit test for clk gate basic type > + */ > +#include <linux/clk.h> > +#include <linux/clk-provider.h> > +#include <linux/platform_device.h> > + > +#include <kunit/test.h> > + > +static void clk_gate_register_test_dev(struct kunit *test) > +{ > + struct clk_hw *ret; > + struct platform_device *pdev; > + > + pdev = platform_device_register_simple("test_gate_device", -1, NULL, 0); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pdev); > + > + ret = clk_hw_register_gate(&pdev->dev, "test_gate", NULL, 0, NULL, > + 0, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ret); > + KUNIT_EXPECT_STREQ(test, "test_gate", clk_hw_get_name(ret)); > + KUNIT_EXPECT_EQ(test, 0UL, clk_hw_get_flags(ret)); > + > + clk_hw_unregister_gate(ret); > + platform_device_put(pdev); > +} > + > +static void clk_gate_register_test_parent_names(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *ret; > + > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 1000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + > + ret = clk_hw_register_gate(NULL, "test_gate", "test_parent", 0, NULL, > + 0, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ret); > + KUNIT_EXPECT_PTR_EQ(test, parent, clk_hw_get_parent(ret)); > + > + clk_hw_unregister_gate(ret); > + clk_hw_unregister_fixed_rate(parent); > +} > + > +static void clk_gate_register_test_parent_data(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *ret; > + struct clk_parent_data pdata = { }; > + > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 1000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + pdata.hw = parent; > + > + ret = clk_hw_register_gate_parent_data(NULL, "test_gate", &pdata, 0, > + NULL, 0, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ret); > + KUNIT_EXPECT_PTR_EQ(test, parent, clk_hw_get_parent(ret)); > + > + clk_hw_unregister_gate(ret); > + clk_hw_unregister_fixed_rate(parent); > +} > + > +static void clk_gate_register_test_parent_data_legacy(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *ret; > + struct clk_parent_data pdata = { }; > + > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 1000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + pdata.name = "test_parent"; > + > + ret = clk_hw_register_gate_parent_data(NULL, "test_gate", &pdata, 0, > + NULL, 0, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ret); > + KUNIT_EXPECT_PTR_EQ(test, parent, clk_hw_get_parent(ret)); > + > + clk_hw_unregister_gate(ret); > + clk_hw_unregister_fixed_rate(parent); > +} > + > +static void clk_gate_register_test_parent_hw(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *ret; > + > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 1000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + > + ret = clk_hw_register_gate_parent_hw(NULL, "test_gate", parent, 0, NULL, > + 0, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ret); > + KUNIT_EXPECT_PTR_EQ(test, parent, clk_hw_get_parent(ret)); > + > + clk_hw_unregister_gate(ret); > + clk_hw_unregister_fixed_rate(parent); > +} > + > +static void clk_gate_register_test_hiword_invalid(struct kunit *test) > +{ > + struct clk_hw *ret; > + > + ret = clk_hw_register_gate(NULL, "test_gate", NULL, 0, NULL, > + 20, CLK_GATE_HIWORD_MASK, NULL); > + > + KUNIT_EXPECT_TRUE(test, IS_ERR(ret)); > +} > + > +static struct kunit_case clk_gate_register_test_cases[] = { > + KUNIT_CASE(clk_gate_register_test_dev), > + KUNIT_CASE(clk_gate_register_test_parent_names), > + KUNIT_CASE(clk_gate_register_test_parent_data), > + KUNIT_CASE(clk_gate_register_test_parent_data_legacy), > + KUNIT_CASE(clk_gate_register_test_parent_hw), > + KUNIT_CASE(clk_gate_register_test_hiword_invalid), > + {} > +}; > + > +static struct kunit_suite clk_gate_register_test_suite = { > + .name = "clk-gate-register-test", > + .test_cases = clk_gate_register_test_cases, > +}; > + > +struct clk_gate_test_context { > + void __iomem *fake_mem; > + struct clk_hw *hw; > + struct clk_hw *parent; > + u32 fake_reg; /* Keep at end, KASAN can detect out of bounds */ > +}; > + > +static struct clk_gate_test_context *clk_gate_test_alloc_ctx(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx; > + > + test->priv = ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx); > + ctx->fake_mem = (void __force __iomem *)&ctx->fake_reg; > + > + return ctx; > +} > + > +static void clk_gate_test_parent_rate(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + unsigned long prate = clk_hw_get_rate(parent); > + unsigned long rate = clk_hw_get_rate(hw); > + > + KUNIT_EXPECT_EQ(test, prate, rate); > +} > + > +static void clk_gate_test_enable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = BIT(5); > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + > + KUNIT_EXPECT_EQ(test, enable_val, ctx->fake_reg); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(parent)); > +} > + > +static void clk_gate_test_disable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = BIT(5); > + u32 disable_val = 0; > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + KUNIT_ASSERT_EQ(test, enable_val, ctx->fake_reg); > + > + clk_disable_unprepare(clk); > + KUNIT_EXPECT_EQ(test, disable_val, ctx->fake_reg); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(parent)); > +} > + > +static struct kunit_case clk_gate_test_cases[] = { > + KUNIT_CASE(clk_gate_test_parent_rate), > + KUNIT_CASE(clk_gate_test_enable), > + KUNIT_CASE(clk_gate_test_disable), > + {} > +}; > + > +static int clk_gate_test_init(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 2000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + > + hw = clk_hw_register_gate_parent_hw(NULL, "test_gate", parent, 0, > + ctx->fake_mem, 5, 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + > + ctx->hw = hw; > + ctx->parent = parent; > + > + return 0; > +} > + > +static void clk_gate_test_exit(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + > + clk_hw_unregister_gate(ctx->hw); > + clk_hw_unregister_fixed_rate(ctx->parent); > + kfree(ctx);
I think we forgot to drop some kfree's now that we're using test->priv = ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
This will result in duplicate kfree's.
Running with KASAN surfaces this, e.g $ git rebase torvalds/master # or really, I just want bf4eebf8cfa2r $ run_kunit --kunitconfig=drivers/clk --kconfig_add=CONFIG_KASAN=y --arch=x86_64 --build_dir=kunit_x86/ ... BUG: KASAN: double-free or invalid-free in kunit_remove_resource+0xb3/0xe0 ... Freed by task 36: kasan_save_stack+0x1e/0x50 kasan_set_track+0x20/0x30 kasan_set_free_info+0x20/0x30 __kasan_slab_free+0xfb/0x130 kfree+0x80/0x1e0 clk_gate_test_is_disabled_inverted+0x18d/0x1e0 <----- leftover kfree() kunit_try_run_case+0x88/0xc0 kunit_generic_run_threadfn_adapter+0x24/0x40 kthread+0x1fe/0x230 ret_from_fork+0x22/0x30 ...
I generally find this little recipe very useful, so here's some explanations in case they're useful: 1. I'm using the bash function from https://www.kernel.org/doc/html/latest/dev-tools/kunit/running_tips.html#running-from-any-directory 2. --kconfig_add is a new feature in torvalds/master for 5.17 3. KASAN doesn't work on UML right now, hence --arch=x86_64 4. I also like to use a different --build_dir for x86 builds so I minimize rebuilding when I switch between UML and x86
> +} > + > +static struct kunit_suite clk_gate_test_suite = { > + .name = "clk-gate-test", > + .init = clk_gate_test_init, > + .exit = clk_gate_test_exit, > + .test_cases = clk_gate_test_cases, > +}; > + > +static void clk_gate_test_invert_enable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = 0; > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + > + KUNIT_EXPECT_EQ(test, enable_val, ctx->fake_reg); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(parent)); > +} > + > +static void clk_gate_test_invert_disable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = 0; > + u32 disable_val = BIT(15); > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + KUNIT_ASSERT_EQ(test, enable_val, ctx->fake_reg); > + > + clk_disable_unprepare(clk); > + KUNIT_EXPECT_EQ(test, disable_val, ctx->fake_reg); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(parent)); > +} > + > +static struct kunit_case clk_gate_test_invert_cases[] = { > + KUNIT_CASE(clk_gate_test_invert_enable), > + KUNIT_CASE(clk_gate_test_invert_disable), > + {} > +}; > + > +static int clk_gate_test_invert_init(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 2000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + > + ctx->fake_reg = BIT(15); /* Default to off */ > + hw = clk_hw_register_gate_parent_hw(NULL, "test_gate", parent, 0, > + ctx->fake_mem, 15, > + CLK_GATE_SET_TO_DISABLE, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + > + ctx->hw = hw; > + ctx->parent = parent; > + > + return 0; > +} > + > +static struct kunit_suite clk_gate_test_invert_suite = { > + .name = "clk-gate-invert-test", > + .init = clk_gate_test_invert_init, > + .exit = clk_gate_test_exit, > + .test_cases = clk_gate_test_invert_cases, > +}; > + > +static void clk_gate_test_hiword_enable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = BIT(9) | BIT(9 + 16); > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + > + KUNIT_EXPECT_EQ(test, enable_val, ctx->fake_reg); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_TRUE(test, clk_hw_is_prepared(parent)); > +} > + > +static void clk_gate_test_hiword_disable(struct kunit *test) > +{ > + struct clk_gate_test_context *ctx = test->priv; > + struct clk_hw *parent = ctx->parent; > + struct clk_hw *hw = ctx->hw; > + struct clk *clk = hw->clk; > + u32 enable_val = BIT(9) | BIT(9 + 16); > + u32 disable_val = BIT(9 + 16); > + > + KUNIT_ASSERT_EQ(test, clk_prepare_enable(clk), 0); > + KUNIT_ASSERT_EQ(test, enable_val, ctx->fake_reg); > + > + clk_disable_unprepare(clk); > + KUNIT_EXPECT_EQ(test, disable_val, ctx->fake_reg); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(hw)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_enabled(parent)); > + KUNIT_EXPECT_FALSE(test, clk_hw_is_prepared(parent)); > +} > + > +static struct kunit_case clk_gate_test_hiword_cases[] = { > + KUNIT_CASE(clk_gate_test_hiword_enable), > + KUNIT_CASE(clk_gate_test_hiword_disable), > + {} > +}; > + > +static int clk_gate_test_hiword_init(struct kunit *test) > +{ > + struct clk_hw *parent; > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + parent = clk_hw_register_fixed_rate(NULL, "test_parent", NULL, 0, > + 2000000); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, parent); > + > + hw = clk_hw_register_gate_parent_hw(NULL, "test_gate", parent, 0, > + ctx->fake_mem, 9, > + CLK_GATE_HIWORD_MASK, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + > + ctx->hw = hw; > + ctx->parent = parent; > + > + return 0; > +} > + > +static struct kunit_suite clk_gate_test_hiword_suite = { > + .name = "clk-gate-hiword-test", > + .init = clk_gate_test_hiword_init, > + .exit = clk_gate_test_exit, > + .test_cases = clk_gate_test_hiword_cases, > +}; > + > +static void clk_gate_test_is_enabled(struct kunit *test) > +{ > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + ctx->fake_reg = BIT(7); > + hw = clk_hw_register_gate(NULL, "test_gate", NULL, 0, ctx->fake_mem, 7, > + 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + KUNIT_ASSERT_TRUE(test, clk_hw_is_enabled(hw)); > + > + clk_hw_unregister_gate(hw); > + kfree(ctx);
ditto
> +} > + > +static void clk_gate_test_is_disabled(struct kunit *test) > +{ > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + ctx->fake_reg = BIT(4); > + hw = clk_hw_register_gate(NULL, "test_gate", NULL, 0, ctx->fake_mem, 7, > + 0, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + KUNIT_ASSERT_FALSE(test, clk_hw_is_enabled(hw)); > + > + clk_hw_unregister_gate(hw); > + kfree(ctx); > +} > + > +static void clk_gate_test_is_enabled_inverted(struct kunit *test) > +{ > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + ctx->fake_reg = BIT(31); > + hw = clk_hw_register_gate(NULL, "test_gate", NULL, 0, ctx->fake_mem, 2, > + CLK_GATE_SET_TO_DISABLE, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + KUNIT_ASSERT_TRUE(test, clk_hw_is_enabled(hw)); > + > + clk_hw_unregister_gate(hw); > + kfree(ctx);
ditto
> +} > + > +static void clk_gate_test_is_disabled_inverted(struct kunit *test) > +{ > + struct clk_hw *hw; > + struct clk_gate_test_context *ctx; > + > + ctx = clk_gate_test_alloc_ctx(test); > + ctx->fake_reg = BIT(29); > + hw = clk_hw_register_gate(NULL, "test_gate", NULL, 0, ctx->fake_mem, 29, > + CLK_GATE_SET_TO_DISABLE, NULL); > + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, hw); > + KUNIT_ASSERT_FALSE(test, clk_hw_is_enabled(hw)); > + > + clk_hw_unregister_gate(hw); > + kfree(ctx);
ditto
> +} > + > +static struct kunit_case clk_gate_test_enabled_cases[] = { > + KUNIT_CASE(clk_gate_test_is_enabled), > + KUNIT_CASE(clk_gate_test_is_disabled), > + KUNIT_CASE(clk_gate_test_is_enabled_inverted), > + KUNIT_CASE(clk_gate_test_is_disabled_inverted), > + {} > +}; > + > +static struct kunit_suite clk_gate_test_enabled_suite = { > + .name = "clk-gate-is_enabled-test", > + .test_cases = clk_gate_test_enabled_cases, > +}; > + > +kunit_test_suites( > + &clk_gate_register_test_suite, > + &clk_gate_test_suite, > + &clk_gate_test_invert_suite, > + &clk_gate_test_hiword_suite, > + &clk_gate_test_enabled_suite > +); > +MODULE_LICENSE("GPL v2"); > > base-commit: fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf > -- > https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git/ > https://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi.git >
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