Re: [PATCH 02/11] regulator: merge struct regulator_internal fields into struct regulator_dev

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On Wed, Sep 20, 2023 at 12:52:03PM +0200, Marco Felsch wrote:
> Hi Sascha,
> 
> On 23-09-20, Sascha Hauer wrote:
> > Each struct regulator_dev instance has a struct regulator_internal
> > associated with it. The idea was that core internal fields are seen
> > by the core only. In the end this is more confusing than helpful. We
> > have a ri->rdev link, but no rdev->ri link so that we can't get a
> > rdev from a ri pointer. We could add that link, but instead make the
> > whole stuff a bit easier by just merging everything from struct
> > regulator_internal to struct regulator_dev.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > ---
> >  drivers/regulator/core.c | 214 ++++++++++++++++++---------------------
> >  include/regulator.h      |   9 ++
> >  2 files changed, 106 insertions(+), 117 deletions(-)
> > 
> > diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> > index e9b5b82dbe..41a3378ac8 100644
> > --- a/drivers/regulator/core.c
> > +++ b/drivers/regulator/core.c
> > @@ -13,21 +13,8 @@
> >  
> >  static LIST_HEAD(regulator_list);
> >  
> > -struct regulator_internal {
> > -	struct list_head list;
> > -	struct device_node *node;
> > -	struct regulator_dev *rdev;
> > -	int enable_count;
> > -	int enable_time_us;
> > -	int min_uv;
> > -	int max_uv;
> > -	char *name;
> > -	const char *supply;
> > -	struct list_head consumer_list;
> > -};
> > -
> >  struct regulator {
> > -	struct regulator_internal *ri;
> > +	struct regulator_dev *rdev;
> >  	struct list_head list;
> >  	struct device *dev;
> >  };
> > @@ -41,13 +28,12 @@ static int regulator_map_voltage(struct regulator_dev *rdev, int min_uV,
> >  	return -ENOSYS;
> >  }
> >  
> > -static int regulator_enable_internal(struct regulator_internal *ri)
> > +static int regulator_enable_internal(struct regulator_dev *rdev)
> >  {
> > -	struct regulator_dev *rdev = ri->rdev;
> >  	int ret;
> >  
> > -	if (ri->enable_count) {
> > -		ri->enable_count++;
> > +	if (rdev->enable_count) {
> > +		rdev->enable_count++;
> >  		return 0;
> >  	}
> >  
> > @@ -59,30 +45,29 @@ static int regulator_enable_internal(struct regulator_internal *ri)
> >  	if (ret)
> >  		return ret;
> >  
> > -	ret = rdev->desc->ops->enable(ri->rdev);
> > +	ret = rdev->desc->ops->enable(rdev);
> >  	if (ret) {
> >  		regulator_disable(rdev->supply);
> >  		return ret;
> >  	}
> >  
> > -	if (ri->enable_time_us)
> > -		udelay(ri->enable_time_us);
> > +	if (rdev->enable_time_us)
> > +		udelay(rdev->enable_time_us);
> 
> regualtor_dev does not have a 'enable_time_us' or do I miss something?

Yes, the rest of this patch ;)

> > diff --git a/include/regulator.h b/include/regulator.h
> > index b0a500434c..5eb236e602 100644
> > --- a/include/regulator.h
> > +++ b/include/regulator.h
> > @@ -85,6 +85,15 @@ struct regulator_desc {
> >  };
> >  
> >  struct regulator_dev {
> > +	const char *name;
> > +	struct list_head list;
> > +	struct device_node *node;
> > +	int enable_count;
> > +	int enable_time_us;
> > +	int min_uv;
> > +	int max_uv;
> > +	const char *supply_name;
> > +	struct list_head consumer_list;
> >  	const struct regulator_desc *desc;
> >  	struct regmap *regmap;
> >  	bool boot_on;

Sascha

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