Re: [PATCH v2 4/6] regulator: Add support for QCOM PMIC VBUS booster

[Mark Brown]

On Fri, Jun 12, 2020 at 04:19:16PM -0700, Wesley Cheng wrote:

> +++ b/drivers/regulator/qcom_usb_vbus-regulator.c
> @@ -0,0 +1,147 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2020, The Linux Foundation. All rights reserved.
> + */

Please make the entire comment a C++ one so things look more
intentional.

> +static int qcom_usb_vbus_enable(struct regulator_dev *rdev)
> +{

> +static int qcom_usb_vbus_disable(struct regulator_dev *rdev)
> +{

> +static int qcom_usb_vbus_is_enabled(struct regulator_dev *rdev)
> +{

These operations can all be replaced by regulator_is_enabled_regmap()
and friends.

> +	init_data.constraints.valid_ops_mask |= REGULATOR_CHANGE_STATUS;

No, this is broken - regulators should not override the constraints the
machine sets.

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