Re: [PATCH 06/15] power: supply: bq24190_charger: Use i2c-core irq-mapping code

[Sebastian Reichel]

Hi,

On Fri, Mar 17, 2017 at 07:24:14PM +0200, Andy Shevchenko wrote:
> On Fri, 2017-03-17 at 10:55 +0100, Hans de Goede wrote:
> > The i2c-core already maps of irqs before calling the driver's probe
> > function and there are no in tree users of
> > bq24190_platform_data->gpio_int.
> > 
> > Remove the redundant custom irq-mapping code and just use client->irq.
> > 
> 
> Nice! I did similar clean up to some other driver, so,
> 
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> 
> P.S. This should be first in the series against bq24190.

Right.

Acked-by: Sebastian Reichel <sre@xxxxxxxxxx>

-- Sebastian

> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> > ---
> >  drivers/power/supply/bq24190_charger.c | 61 ++-----------------------
> > ---------
> >  include/linux/power/bq24190_charger.h  |  1 -
> >  2 files changed, 2 insertions(+), 60 deletions(-)
> > 
> > diff --git a/drivers/power/supply/bq24190_charger.c
> > b/drivers/power/supply/bq24190_charger.c
> > index 7bca8d0..9c4b171 100644
> > --- a/drivers/power/supply/bq24190_charger.c
> > +++ b/drivers/power/supply/bq24190_charger.c
> > @@ -154,8 +154,6 @@ struct bq24190_dev_info {
> >  	struct bq24190_platform_data	*pdata;
> >  	char				model_name[I2C_NAME_SIZE]
> > ;
> >  	kernel_ulong_t			model;
> > -	unsigned int			gpio_int;
> > -	unsigned int			irq;
> >  	struct mutex			f_reg_lock;
> >  	u8				f_reg;
> >  	u8				ss_reg;
> > @@ -1296,56 +1294,11 @@ static int bq24190_hw_init(struct
> > bq24190_dev_info *bdi)
> >  	return ret;
> >  }
> >  
> > -#ifdef CONFIG_OF
> > -static int bq24190_setup_dt(struct bq24190_dev_info *bdi)
> > -{
> > -	bdi->irq = irq_of_parse_and_map(bdi->dev->of_node, 0);
> > -	if (bdi->irq <= 0)
> > -		return -1;
> > -
> > -	return 0;
> > -}
> > -#else
> > -static int bq24190_setup_dt(struct bq24190_dev_info *bdi)
> > -{
> > -	return -1;
> > -}
> > -#endif
> > -
> > -static int bq24190_setup_pdata(struct bq24190_dev_info *bdi,
> > -		struct bq24190_platform_data *pdata)
> > -{
> > -	int ret;
> > -
> > -	if (!gpio_is_valid(pdata->gpio_int))
> > -		return -1;
> > -
> > -	ret = gpio_request(pdata->gpio_int, dev_name(bdi->dev));
> > -	if (ret < 0)
> > -		return -1;
> > -
> > -	ret = gpio_direction_input(pdata->gpio_int);
> > -	if (ret < 0)
> > -		goto out;
> > -
> > -	bdi->irq = gpio_to_irq(pdata->gpio_int);
> > -	if (!bdi->irq)
> > -		goto out;
> > -
> > -	bdi->gpio_int = pdata->gpio_int;
> > -	return 0;
> > -
> > -out:
> > -	gpio_free(pdata->gpio_int);
> > -	return -1;
> > -}
> > -
> >  static int bq24190_probe(struct i2c_client *client,
> >  		const struct i2c_device_id *id)
> >  {
> >  	struct i2c_adapter *adapter = to_i2c_adapter(client-
> > >dev.parent);
> >  	struct device *dev = &client->dev;
> > -	struct bq24190_platform_data *pdata = client-
> > >dev.platform_data;
> >  	struct power_supply_config charger_cfg = {}, battery_cfg =
> > {};
> >  	struct bq24190_dev_info *bdi;
> >  	int ret;
> > @@ -1372,12 +1325,7 @@ static int bq24190_probe(struct i2c_client
> > *client,
> >  
> >  	i2c_set_clientdata(client, bdi);
> >  
> > -	if (dev->of_node)
> > -		ret = bq24190_setup_dt(bdi);
> > -	else
> > -		ret = bq24190_setup_pdata(bdi, pdata);
> > -
> > -	if (ret) {
> > +	if (!client->irq) {
> >  		dev_err(dev, "Can't get irq info\n");
> >  		return -EINVAL;
> >  	}
> > @@ -1417,7 +1365,7 @@ static int bq24190_probe(struct i2c_client
> > *client,
> >  		goto out3;
> >  	}
> >  
> > -	ret = devm_request_threaded_irq(dev, bdi->irq, NULL,
> > +	ret = devm_request_threaded_irq(dev, client->irq, NULL,
> >  			bq24190_irq_handler_thread,
> >  			IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
> >  			"bq24190-charger", bdi);
> > @@ -1439,8 +1387,6 @@ static int bq24190_probe(struct i2c_client
> > *client,
> >  
> >  out1:
> >  	pm_runtime_disable(dev);
> > -	if (bdi->gpio_int)
> > -		gpio_free(bdi->gpio_int);
> >  	return ret;
> >  }
> >  
> > @@ -1457,9 +1403,6 @@ static int bq24190_remove(struct i2c_client
> > *client)
> >  	power_supply_unregister(bdi->charger);
> >  	pm_runtime_disable(bdi->dev);
> >  
> > -	if (bdi->gpio_int)
> > -		gpio_free(bdi->gpio_int);
> > -
> >  	return 0;
> >  }
> >  
> > diff --git a/include/linux/power/bq24190_charger.h
> > b/include/linux/power/bq24190_charger.h
> > index cb49717..8d918cb 100644
> > --- a/include/linux/power/bq24190_charger.h
> > +++ b/include/linux/power/bq24190_charger.h
> > @@ -10,7 +10,6 @@
> >  #define _BQ24190_CHARGER_H_
> >  
> >  struct bq24190_platform_data {
> > -	unsigned int	gpio_int;	/* GPIO pin that's
> > connected to INT# */
> >  	bool no_register_reset;
> >  };
> >  
> 
> -- 
> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Intel Finland Oy

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