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

From Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 06/15] power: supply: bq24190_charger: Use i2c-core irq-mapping code
Date 2017-03-17 18:30 +0100
Message-ID <tm3Rn-1t5-9@gated-at.bofh.it> (permalink)
References <tlWPT-4pa-5@gated-at.bofh.it> <tlWZA-4Iy-41@gated-at.bofh.it>
Organization Intel Finland Oy

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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@linux.intel.com>

P.S. This should be first in the series against bq24190.

> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
> ---
>  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@linux.intel.com>
Intel Finland Oy

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Thread

[PATCH 00/15] Add Intel Cherry Trail Whiskey Cove PMIC support Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
  [PATCH 02/15] ACPI / PMIC: Add opregion driver for Intel CHT Whiskey Cove PMIC Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
  [PATCH 14/15] power: supply: Add driver for Cherry Trail Whiskey Cove PMIC Fuel Gauge Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 14/15] power: supply: Add driver for Cherry Trail  Whiskey Cove PMIC Fuel Gauge Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 19:00 +0100
      Re: [PATCH 14/15] power: supply: Add driver for Cherry Trail Whiskey  Cove PMIC Fuel Gauge Hans de Goede <hdegoede@redhat.com> - 2017-03-22 18:10 +0100
    Re: [PATCH 14/15] power: supply: Add driver for Cherry Trail Whiskey  Cove PMIC Fuel Gauge Sebastian Reichel <sre@kernel.org> - 2017-03-20 06:10 +0100
  [PATCH 13/15] i2c: core: Allow drivers to specify index for irq to get from of / ACPI Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 13/15] i2c: core: Allow drivers to specify index for irq  to get from of / ACPI Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:50 +0100
    Re: [PATCH 13/15] i2c: core: Allow drivers to specify index for irq  to get from of / ACPI kbuild test robot <lkp@intel.com> - 2017-03-20 10:40 +0100
  [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:20 +0100
      Re: [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver Lee Jones <lee.jones@linaro.org> - 2017-03-20 11:50 +0100
        Re: [PATCH 01/15] mfd: Add Cherry Trail Whiskey Cove PMIC driver Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-20 14:00 +0100
  [PATCH 15/15] i2c-cht-wc: Add Intel Cherry Trail Whiskey Cove SMBUS controller driver Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 15/15] i2c-cht-wc: Add Intel Cherry Trail Whiskey Cove  SMBUS controller driver Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 19:30 +0100
      Re: [PATCH 15/15] i2c-cht-wc: Add Intel Cherry Trail Whiskey Cove  SMBUS controller driver Hans de Goede <hdegoede@redhat.com> - 2017-03-23 15:00 +0100
  [PATCH 11/15] i2c: core: Allow getting ACPI info by index Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 11/15] i2c: core: Allow getting ACPI info by index Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:40 +0100
  [PATCH 10/15] power: supply: bq24190_charger: Use extcon to determine ilimit, 5v boost Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 10/15] power: supply: bq24190_charger: Use extcon to  determine ilimit, 5v boost Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:40 +0100
      Re: [PATCH 10/15] power: supply: bq24190_charger: Use extcon to  determine ilimit, 5v boost Hans de Goede <hdegoede@redhat.com> - 2017-03-20 23:40 +0100
    Re: [PATCH 10/15] power: supply: bq24190_charger: Use extcon to  determine ilimit, 5v boost Sebastian Reichel <sre@kernel.org> - 2017-03-20 06:00 +0100
  [PATCH 12/15] i2c: core: Add new i2c_acpi_new_device helper function Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:00 +0100
    Re: [PATCH 12/15] i2c: core: Add new i2c_acpi_new_device helper  function Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:50 +0100
      Re: [PATCH 12/15] i2c: core: Add new i2c_acpi_new_device helper  function Hans de Goede <hdegoede@redhat.com> - 2017-03-22 17:00 +0100
  [PATCH 04/15] power: supply: bq24190_charger: Add no_register_reset pdata flag Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:10 +0100
    Re: [PATCH 04/15] power: supply: bq24190_charger: Add  no_register_reset pdata flag Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:30 +0100
  [PATCH 07/15] power: supply: bq24190_charger: Add support for bq24192[i] Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:10 +0100
  [PATCH 05/15] power: supply: bq24190_charger: Limit charging voltage to 4.3V Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:10 +0100
  [PATCH 09/15] power: supply: bq24190_charger: Add voltage_max_design prop to battery Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:10 +0100
    Re: [PATCH 09/15] power: supply: bq24190_charger: Add  voltage_max_design prop to battery Sebastian Reichel <sre@kernel.org> - 2017-03-20 06:20 +0100
  [PATCH 06/15] power: supply: bq24190_charger: Use i2c-core irq-mapping code Hans de Goede <hdegoede@redhat.com> - 2017-03-17 11:10 +0100
    Re: [PATCH 06/15] power: supply: bq24190_charger: Use i2c-core  irq-mapping code Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2017-03-17 18:30 +0100
      Re: [PATCH 06/15] power: supply: bq24190_charger: Use i2c-core  irq-mapping code Sebastian Reichel <sre@kernel.org> - 2017-03-20 05:50 +0100
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