diff options
| author | Brian Norris <briannorris@chromium.org> | 2025-08-22 11:59:03 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-09-03 17:04:52 +0200 |
| commit | 59405c248acea65d534497bbe29f34858b0fdd3c (patch) | |
| tree | 4f8001589ce60031b7d7b6db37fb8c57ca49cf3c /kernel/irq/irq_test.c | |
| parent | f8a44f9babd054ff19e20a30cab661d716ad5459 (diff) | |
genirq/test: Factor out fake-virq setup
A few things need to be repeated in tests. Factor out the creation of fake
interrupts.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/all/20250822190140.2154646-3-briannorris@chromium.org
Diffstat (limited to 'kernel/irq/irq_test.c')
| -rw-r--r-- | kernel/irq/irq_test.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/kernel/irq/irq_test.c b/kernel/irq/irq_test.c index e220e7b2fc18..f8f4532c2805 100644 --- a/kernel/irq/irq_test.c +++ b/kernel/irq/irq_test.c @@ -41,15 +41,15 @@ static struct irq_chip fake_irq_chip = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -static void irq_disable_depth_test(struct kunit *test) +static int irq_test_setup_fake_irq(struct kunit *test, struct irq_affinity_desc *affd) { struct irq_desc *desc; - int virq, ret; + int virq; - virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, NULL); + virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, affd); KUNIT_ASSERT_GE(test, virq, 0); - irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); + irq_set_chip_and_handler(virq, &fake_irq_chip, handle_simple_irq); desc = irq_to_desc(virq); KUNIT_ASSERT_PTR_NE(test, desc, NULL); @@ -57,6 +57,19 @@ static void irq_disable_depth_test(struct kunit *test) /* On some architectures, IRQs are NOREQUEST | NOPROBE by default. */ irq_settings_clr_norequest(desc); + return virq; +} + +static void irq_disable_depth_test(struct kunit *test) +{ + struct irq_desc *desc; + int virq, ret; + + virq = irq_test_setup_fake_irq(test, NULL); + + desc = irq_to_desc(virq); + KUNIT_ASSERT_PTR_NE(test, desc, NULL); + ret = request_irq(virq, noop_handler, 0, "test_irq", NULL); KUNIT_EXPECT_EQ(test, ret, 0); @@ -76,17 +89,11 @@ static void irq_free_disabled_test(struct kunit *test) struct irq_desc *desc; int virq, ret; - virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, NULL); - KUNIT_ASSERT_GE(test, virq, 0); - - irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); + virq = irq_test_setup_fake_irq(test, NULL); desc = irq_to_desc(virq); KUNIT_ASSERT_PTR_NE(test, desc, NULL); - /* On some architectures, IRQs are NOREQUEST | NOPROBE by default. */ - irq_settings_clr_norequest(desc); - ret = request_irq(virq, noop_handler, 0, "test_irq", NULL); KUNIT_EXPECT_EQ(test, ret, 0); @@ -118,17 +125,11 @@ static void irq_shutdown_depth_test(struct kunit *test) if (!IS_ENABLED(CONFIG_SMP)) kunit_skip(test, "requires CONFIG_SMP for managed shutdown"); - virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, &affinity); - KUNIT_ASSERT_GE(test, virq, 0); - - irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq); + virq = irq_test_setup_fake_irq(test, &affinity); desc = irq_to_desc(virq); KUNIT_ASSERT_PTR_NE(test, desc, NULL); - /* On some architectures, IRQs are NOREQUEST | NOPROBE by default. */ - irq_settings_clr_norequest(desc); - data = irq_desc_get_irq_data(desc); KUNIT_ASSERT_PTR_NE(test, data, NULL); @@ -181,17 +182,11 @@ static void irq_cpuhotplug_test(struct kunit *test) cpumask_copy(&affinity.mask, cpumask_of(1)); - virq = irq_domain_alloc_descs(-1, 1, 0, NUMA_NO_NODE, &affinity); - KUNIT_ASSERT_GE(test, virq, 0); - - irq_set_chip_and_handler(virq, &fake_irq_chip, handle_simple_irq); + virq = irq_test_setup_fake_irq(test, &affinity); desc = irq_to_desc(virq); KUNIT_ASSERT_PTR_NE(test, desc, NULL); - /* On some architectures, IRQs are NOREQUEST | NOPROBE by default. */ - irq_settings_clr_norequest(desc); - data = irq_desc_get_irq_data(desc); KUNIT_ASSERT_PTR_NE(test, data, NULL); |