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test: dm: Add compatible multimatch test

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Add a test for binding of multiple drivers with the same compatible. If
one of the drivers returns -ENODEV the other one needs to be bound.

Reviewed-by: Simon Glass <simon.glass@canonical.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@kernel.org>
Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp@baylibre.com>
This commit is contained in:
Markus Schneider-Pargmann (TI.com)
2026-01-27 12:03:39 +01:00
committed by Tom Rini
parent 87d7d8190f
commit c7e0e3fd33
3 changed files with 45 additions and 0 deletions
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4
arch/sandbox/dts/test.dts
View File

@@ -457,6 +457,10 @@
mux-control-names = "mux0";
};
multimatch-test {
compatible = "sandbox,multimatch-test";
};
phy_provider0: gen_phy@0 {
compatible = "sandbox,phy";
#phy-cells = <1>;

15
test/dm/core.c
View File

@@ -1410,3 +1410,18 @@ static int dm_test_try_first_device(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_try_first_device, 0);
/* Test that all drivers are iterated when bind returns -ENODEV */
static int dm_test_multimatch(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_find_device_by_name(UCLASS_TEST, "multimatch-test",
&dev));
ut_assertnonnull(dev);
ut_asserteq_str("test_multimatch_second", dev->driver->name);
ut_asserteq(2, dm_testdrv_op_count[DM_TEST_OP_BIND]);
return 0;
}
DM_TEST(dm_test_multimatch, UTF_SCAN_FDT);

26
test/dm/test-driver.c
View File

@@ -197,3 +197,29 @@ U_BOOT_DRIVER(test_act_dma_vital_clk_drv) = {
.unbind = test_manual_unbind,
.flags = DM_FLAG_VITAL | DM_FLAG_ACTIVE_DMA,
};
static int test_multimatch_first_bind(struct udevice *dev)
{
dm_testdrv_op_count[DM_TEST_OP_BIND]++;
return -ENODEV;
}
static const struct udevice_id test_multimatch_ids[] = {
{ .compatible = "sandbox,multimatch-test" },
{ }
};
U_BOOT_DRIVER(test_multimatch_first) = {
.name = "test_multimatch_first",
.id = UCLASS_TEST,
.of_match = test_multimatch_ids,
.bind = test_multimatch_first_bind,
};
U_BOOT_DRIVER(test_multimatch_second) = {
.name = "test_multimatch_second",
.id = UCLASS_TEST,
.of_match = test_multimatch_ids,
.bind = test_manual_bind,
};