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Message-ID: <20210925035507.1904-1-yuzenghui@huawei.com> Date: Sat, 25 Sep 2021 11:55:07 +0800 From: Zenghui Yu <yuzenghui@...wei.com> To: <lgirdwood@...il.com>, <broonie@...nel.org> CC: <linux-kernel@...r.kernel.org>, <wanghaibin.wang@...wei.com>, Zenghui Yu <yuzenghui@...wei.com> Subject: [PATCH] regulator: dummy: Use devm_regulator_register() 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@...wei.com> --- drivers/regulator/dummy.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c index d8059f596391..24e586f93855 100644 --- a/drivers/regulator/dummy.c +++ b/drivers/regulator/dummy.c @@ -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); -- 2.19.1
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