Re: [PATCH v3 2/2] power: supply: rt9471: Add Richtek RT9471 charger driver

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Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> 於 2022年8月18日 週四 下午4:09寫道:
>
> On 18/08/2022 04:21, cy_huang wrote:
> > From: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> >
> > Add support for the RT9471 3A 1-Cell Li+ battery charger.
> >
> > The RT9471 is a highly-integrated 3A switch mode battery charger with
> > low impedance power path to better optimize the charging efficiency.
> >
> > Co-developed-by: Alina Yu <alina_yu@xxxxxxxxxxx>
> > Signed-off-by: Alina Yu <alina_yu@xxxxxxxxxxx>
> > Signed-off-by: ChiYuan Huang <cy_huang@xxxxxxxxxxx>
> > ---
> > Since v2:
> > - Fix checkpatch error about 'foo * bar' to 'foo *bar' in psy_device_to_chip function.
> > - Specify the member name directly for the use of linear range.
> >
> > ---
>
> (...)
>
> > +
> > +static DEVICE_ATTR_RW(sysoff_enable);
> > +static DEVICE_ATTR_RW(charge_term_enable);
> > +static DEVICE_ATTR_RW(port_detect_enable);
> > +
> > +static struct attribute *rt9471_sysfs_entries[] = {
> > +     &dev_attr_sysoff_enable.attr,
> > +     &dev_attr_charge_term_enable.attr,
> > +     &dev_attr_port_detect_enable.attr,
> > +     NULL
>
> You need to document the sysfs ABI in Documentation.
Can it be define in 'sysfs-class-power' or a dedicated file called
'sysfs-class-power-rt9471'?
Not sure which one is better.

>
> > +};
> > +
> > +static const struct attribute_group rt9471_attr_group = {
> > +     .attrs  = rt9471_sysfs_entries,
> > +};
> > +
> > +static const struct attribute_group *rt9471_attr_groups[] = {
> > +     &rt9471_attr_group,
> > +     NULL
> > +};
>
> (...)
>
> > +
> > +static const struct of_device_id rt9471_of_device_id[] = {
> > +     { .compatible = "richtek,rt9471" },
> > +     {}
> > +};
> > +MODULE_DEVICE_TABLE(of, rt9471_of_device_id);
> > +
> > +static struct i2c_driver rt9471_driver = {
> > +     .driver = {
> > +             .name = "rt9471",
> > +             .owner = THIS_MODULE,
>
> You should not need this. Run coccinelle/coccicheck on your driver.
Yes, I found it. 'module_i2c_driver' already include this owner setting.
Just remove it. Thanks.
>
>
> Best regards,
> Krzysztof




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