On Fri, Jun 22, 2018 at 05:46:14PM -0700, David Collins wrote: > --- /dev/null > +++ b/drivers/regulator/qcom-rpmh-regulator.c > @@ -0,0 +1,746 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* Copyright (c) 2018, The Linux Foundation. All rights reserved. */ > +
Please make the entire header block C++ so it looks intentional.
> + cmd.data = bypassed ? PMIC4_BOB_MODE_PASS : pmic_mode;
Please just write normal if statements, the ternery operator isn't
really helping legibility.
> +static const int pmic_mode_map_pmic4_ldo[REGULATOR_MODE_STANDBY + 1] = {
> + [REGULATOR_MODE_INVALID] = -EINVAL,
> + [REGULATOR_MODE_STANDBY] = PMIC4_LDO_MODE_RETENTION,
> + [REGULATOR_MODE_IDLE] = PMIC4_LDO_MODE_LPM,
> + [REGULATOR_MODE_NORMAL] = -EINVAL,
> + [REGULATOR_MODE_FAST] = PMIC4_LDO_MODE_HPM,
> +};
This mapping is really weird, I'd expect one of the modes to correspond
to the normal operating mode of the regulator.
> +static unsigned int rpmh_regulator_pmic4_ldo_of_map_mode(unsigned int mode)
> +{
> + static const unsigned int of_mode_map[RPMH_REGULATOR_MODE_COUNT] = {
> + [RPMH_REGULATOR_MODE_RET] = REGULATOR_MODE_STANDBY,
> + [RPMH_REGULATOR_MODE_LPM] = REGULATOR_MODE_IDLE,
> + [RPMH_REGULATOR_MODE_AUTO] = REGULATOR_MODE_INVALID,
> + [RPMH_REGULATOR_MODE_HPM] = REGULATOR_MODE_FAST,
> + };
Same here, based on that it looks like auto mode is a good map for
normal.
> + if (mode >= RPMH_REGULATOR_MODE_COUNT)
> + return -EINVAL;
Why not use ARRAY_SIZE?
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