Re: [PATCH v4 10/13] power: supply: mt6370: Add Mediatek MT6370 charger driver

From: Andy Shevchenko
Date: Mon Jul 04 2022 - 16:54:07 EST


On Mon, Jul 4, 2022 at 7:42 AM ChiaEn Wu <peterwu.pub@xxxxxxxxx> wrote:

> Add Mediatek MT6370 charger driver.

...

> + This driver can also be built as a module. If so the module

If so,

> + will be called "mt6370-charger.ko".

No ".ko" part.

...

> +#define MT6370_MIVR_IBUS_TH_100_MA 100000

mA

...

> + if (mt6370_chg_fields[fd].range) {
> + return linear_range_get_value(mt6370_chg_fields[fd].range,
> + reg_val, val);

> + } else {

Redundant 'else'.

> + *val = reg_val;
> + return 0;
> + }

...

> + if (fd != F_VMIVR)

Why not positive conditional?

> + linear_range_get_selector_within(r, val, &val);
> + else {
> + ret = linear_range_get_selector_high(r, val, &val, &f);
> + if (!ret)
> + val = r->max_sel;
> + }

Checkpatch didn't complain about the absence of {} ?

...

> + irq_num = platform_get_irq_byname(pdev, irq_name);
> + if (irq_num >= 0) {

if (irq_num < 0)
return;

> + if (en)
> + enable_irq(irq_num);
> + else
> + disable_irq_nosync(irq_num);
> + }

...

> + /* Check in otg mode or not */

OTG

...

> +static int mt6370_chg_set_online(struct mt6370_priv *priv,
> + const union power_supply_propval *val)
> +{
> + unsigned int pwr_rdy = !!val->intval;

Seems you are using int as boolean, do you need it specifically for
something? Otherwise use boolean here.

> +
> + mutex_lock(&priv->attach_lock);
> + if (pwr_rdy == !!priv->attach) {
> + dev_err(priv->dev, "pwr_rdy is same(%d)\n", pwr_rdy);
> + mutex_unlock(&priv->attach_lock);
> + return 0;
> + }
> +
> + priv->attach = pwr_rdy;
> + mutex_unlock(&priv->attach_lock);
> +
> + if (!queue_work(priv->wq, &priv->bc12_work))
> + dev_err(priv->dev, "bc12 work has already queued\n");
> +
> + return 0;
> +}

--
With Best Regards,
Andy Shevchenko