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regulator: dummy: Use devm_regulator_register()

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debugfs code complained at boot time that

  debugfs: Directory 'reg-dummy-regulator-dummy' with parent 'regulator'
  already present!

if we compile kernel with DEBUG_TEST_DRIVER_REMOVE. The problem is that we
don't provide .remove() method for dummy_regulator_driver, which should
invoke regulator_unregister() on device teardown to properly free things.

Though it's harmless as dummy_pdev never gets unbound in practice, let's
use devm_regulator_register() to get rid of the inconsistency.

Signed-off-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20210925035507.1904-1-yuzenghui@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Zenghui Yu 2021-09-25 11:55:07 +08:00 committed by Mark Brown
parent e458d3f39d
commit c6e5e92cb2
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1 changed files with 2 additions and 1 deletions
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3
drivers/regulator/dummy.c
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@ -45,7 +45,8 @@ static int dummy_regulator_probe(struct platform_device *pdev)
config.dev = &pdev->dev;
config.init_data = &dummy_initdata;
dummy_regulator_rdev = regulator_register(&dummy_desc, &config);
dummy_regulator_rdev = devm_regulator_register(&pdev->dev, &dummy_desc,
&config);
if (IS_ERR(dummy_regulator_rdev)) {
ret = PTR_ERR(dummy_regulator_rdev);
pr_err("Failed to register regulator: %d\n", ret);