Re: [PATCH v4 12/14] gpio: regmap: Add optional runtime PM support

[Janani Sunil]

On 8/24/26 10:05, Andy Shevchenko wrote:
> On Fri, Aug 21, 2026 at 04:07:05PM +0200, Janani Sunil wrote:
> > Some gpio-regmap consumers share their regmap with a parent device that
> > may be runtime suspended. GPIO register accesses must resume that device
> > first.
> >
> > Add an optional pm_dev field and acquire it before register translation
> > or access. Release it using runtime autosuspend after each operation.
> > Keep the device active across the complete direction-output sequence and
> > propagate failure when setting the initial output value.
> > +DEFINE_GUARD(gpio_regmap_runtime, struct gpio_regmap *,
> > +	     gpio_regmap_runtime_get(_T), gpio_regmap_runtime_put(_T))
> This is not used, it's for guard()() case.
DEFINED_GUARD() was added because DEFINE_GUARD_COND() extends that class and reuses its type, destructor and error helpers.

Regards,
Jan