linux-kernel - Re: [PATCH] power: supply: bd99954: Use LINEAR

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Date:   Tue, 1 Nov 2022 01:04:01 +0100
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Matti Vaittinen <mazziesaccount@...il.com>
Cc:     Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power: supply: bd99954: Use LINEAR_RANGE()

Hi,

On Mon, Oct 31, 2022 at 09:36:21AM +0200, Matti Vaittinen wrote:
> Do minor clean-up by using newly inroduced LINEAR_RANGE() initialization
> macro.
> 
> Signed-off-by: Matti Vaittinen <mazziesaccount@...il.com>
> ---

Thanks, queued.

-- Sebastian

>  drivers/power/supply/bd99954-charger.c | 84 ++++----------------------
>  1 file changed, 13 insertions(+), 71 deletions(-)
> 
> diff --git a/drivers/power/supply/bd99954-charger.c b/drivers/power/supply/bd99954-charger.c
> index 96e93e1b8094..250362e15c98 100644
> --- a/drivers/power/supply/bd99954-charger.c
> +++ b/drivers/power/supply/bd99954-charger.c
> @@ -768,27 +768,13 @@ static const struct power_supply_desc bd9995x_power_supply_desc = {
>   * Describe the setting in linear_range table.
>   */
>  static const struct linear_range input_current_limit_ranges[] = {
> -	{
> -		.min = 0,
> -		.step = 32000,
> -		.min_sel = 0x0,
> -		.max_sel = 0x1ff,
> -	},
> +	LINEAR_RANGE(0, 0x0, 0x1ff, 32000),
>  };
>  
>  /* Possible trickle, pre-charging and termination current values */
>  static const struct linear_range charging_current_ranges[] = {
> -	{
> -		.min = 0,
> -		.step = 64000,
> -		.min_sel = 0x0,
> -		.max_sel = 0x10,
> -	}, {
> -		.min = 1024000,
> -		.step = 0,
> -		.min_sel = 0x11,
> -		.max_sel = 0x1f,
> -	},
> +	LINEAR_RANGE(0, 0x0, 0x10, 64000),
> +	LINEAR_RANGE(1024000, 0x11, 0x1f, 0),
>  };
>  
>  /*
> @@ -796,72 +782,28 @@ static const struct linear_range charging_current_ranges[] = {
>   * and battery over voltage protection have same possible values
>   */
>  static const struct linear_range charge_voltage_regulation_ranges[] = {
> -	{
> -		.min = 2560000,
> -		.step = 0,
> -		.min_sel = 0,
> -		.max_sel = 0xA0,
> -	}, {
> -		.min = 2560000,
> -		.step = 16000,
> -		.min_sel = 0xA0,
> -		.max_sel = 0x4B0,
> -	}, {
> -		.min = 19200000,
> -		.step = 0,
> -		.min_sel = 0x4B0,
> -		.max_sel = 0x7FF,
> -	},
> +	LINEAR_RANGE(2560000, 0, 0xA0, 0),
> +	LINEAR_RANGE(2560000, 0xA0, 0x4B0, 16000),
> +	LINEAR_RANGE(19200000, 0x4B0, 0x7FF, 0),
>  };
>  
>  /* Possible VSYS voltage regulation values */
>  static const struct linear_range vsys_voltage_regulation_ranges[] = {
> -	{
> -		.min = 2560000,
> -		.step = 0,
> -		.min_sel = 0,
> -		.max_sel = 0x28,
> -	}, {
> -		.min = 2560000,
> -		.step = 64000,
> -		.min_sel = 0x28,
> -		.max_sel = 0x12C,
> -	}, {
> -		.min = 19200000,
> -		.step = 0,
> -		.min_sel = 0x12C,
> -		.max_sel = 0x1FF,
> -	},
> +	LINEAR_RANGE(2560000, 0, 0x28, 0),
> +	LINEAR_RANGE(2560000, 0x28, 0x12C, 64000),
> +	LINEAR_RANGE(19200000, 0x12C, 0x1FF, 0),
>  };
>  
>  /* Possible settings for switching from trickle to pre-charging limits */
>  static const struct linear_range trickle_to_pre_threshold_ranges[] = {
> -	{
> -		.min = 2048000,
> -		.step = 0,
> -		.min_sel = 0,
> -		.max_sel = 0x20,
> -	}, {
> -		.min = 2048000,
> -		.step = 64000,
> -		.min_sel = 0x20,
> -		.max_sel = 0x12C,
> -	}, {
> -		.min = 19200000,
> -		.step = 0,
> -		.min_sel = 0x12C,
> -		.max_sel = 0x1FF
> -	}
> +	LINEAR_RANGE(2048000, 0, 0x20, 0),
> +	LINEAR_RANGE(2048000, 0x20, 0x12C, 64000),
> +	LINEAR_RANGE(19200000, 0x12C, 0x1FF, 0),
>  };
>  
>  /* Possible current values for fast-charging constant current phase */
>  static const struct linear_range fast_charge_current_ranges[] = {
> -	{
> -		.min = 0,
> -		.step = 64000,
> -		.min_sel = 0,
> -		.max_sel = 0xFF,
> -	}
> +	LINEAR_RANGE(0, 0, 0xFF, 64000),
>  };
>  
>  struct battery_init {
> -- 
> 2.37.3
> 
> 
> -- 
> Matti Vaittinen, Linux device drivers
> ROHM Semiconductors, Finland SWDC
> Kiviharjunlenkki 1E
> 90220 OULU
> FINLAND
> 
> ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
> Simon says - in Latin please.
> ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
> Thanks to Simon Glass for the translation =] 



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