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

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