RE: [PATCH v8 5/6] regulator: pfuze100-regulator: provide pm_power_off_prepare handler
From: Robin Gong
Date: Sun Aug 05 2018 - 22:51:46 EST
> >> +static struct pfuze_chip *syspm_pfuze_chip;
> >> +
> >> +static void pfuze_power_off_prepare(void)
> >> + dev_info(syspm_pfuze_chip->dev, "Configure standy mode for power
> >> +off");
> > Add 'if (syspm_pfuze_chip ->chip_id == PFUZE100))' here is easy for
> > extend Support on pfuze200/3000.. in the feature.
> There is already:
> static int pfuze_power_off_prepare_init(struct pfuze_chip *pfuze_chip) {
> if (pfuze_chip->chip_id != PFUZE100) {
> dev_warn(pfuze_chip->dev, "Requested
> pm_power_off_prepare handler for not supported chip\n");
> return -ENODEV;
> }
>
>
> No need to add it in pfuze_power_off_prepare()
I saw you add chip check in pfuze_power_off_prepare_init(), but I'm saying
In the future case pfuze200/3000 may should still support this feature, but registers
are different between different chips, thus, move checking chip into pfuze_power_off_prepare()
could make the later patch for pfuze200/3000 more clear, less and easier.