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Re: [PATCH v4 13/24] hwmon: pwm-fan: use pwm_get/set_default_xxx() helpers where appropriate

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On 11/16/2015 12:56 AM, Boris Brezillon wrote:
> pwm_set/get_default_xxx() helpers have been introduced to differentiate
> the default PWM states (those retrieved through DT, PWM lookup table or
> statically assigned by the driver) and the current ones.
> Make use of those helpers where appropriate.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>   drivers/hwmon/pwm-fan.c | 15 +++++++++------
>   1 file changed, 9 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/hwmon/pwm-fan.c b/drivers/hwmon/pwm-fan.c
> index 105b964..989d7b4 100644
> --- a/drivers/hwmon/pwm-fan.c
> +++ b/drivers/hwmon/pwm-fan.c
> @@ -47,8 +47,9 @@ static int  __set_pwm(struct pwm_fan_ctx *ctx, unsigned long pwm)
>   	if (ctx->pwm_value == pwm)
>   		goto exit_set_pwm_err;
>
> -	duty = DIV_ROUND_UP(pwm * (pwm_get_period((ctx->pwm)) - 1), MAX_PWM);
> -	ret = pwm_config(ctx->pwm, duty, pwm_get_period((ctx->pwm)));
> +	duty = DIV_ROUND_UP(pwm * (pwm_get_default_period((ctx->pwm)) - 1),
> +			    MAX_PWM);
> +	ret = pwm_config(ctx->pwm, duty, pwm_get_default_period((ctx->pwm)));

Same here - please no unnecessary ( ) [ which were first introduced by
the other patch ].

Guenter

>   	if (ret)
>   		goto exit_set_pwm_err;
>
> @@ -234,10 +235,11 @@ static int pwm_fan_probe(struct platform_device *pdev)
>   	platform_set_drvdata(pdev, ctx);
>
>   	/* Set duty cycle to maximum allowed */
> -	duty_cycle = pwm_get_period((ctx->pwm)) - 1;
> +	duty_cycle = pwm_get_default_period((ctx->pwm)) - 1;
>   	ctx->pwm_value = MAX_PWM;
>
> -	ret = pwm_config(ctx->pwm, duty_cycle, pwm_get_period((ctx->pwm)));
> +	ret = pwm_config(ctx->pwm, duty_cycle,
> +			 pwm_get_default_period((ctx->pwm)));
>   	if (ret) {
>   		dev_err(&pdev->dev, "Failed to configure PWM\n");
>   		return ret;
> @@ -309,9 +311,10 @@ static int pwm_fan_resume(struct device *dev)
>   	if (ctx->pwm_value == 0)
>   		return 0;
>
> -	duty = DIV_ROUND_UP(ctx->pwm_value * (pwm_get_period((ctx->pwm)) - 1),
> +	duty = DIV_ROUND_UP(ctx->pwm_value *
> +			    (pwm_get_default_period((ctx->pwm)) - 1),
>   			    MAX_PWM);
> -	ret = pwm_config(ctx->pwm, duty, pwm_get_period((ctx->pwm)));
> +	ret = pwm_config(ctx->pwm, duty, pwm_get_default_period((ctx->pwm)));
>   	if (ret)
>   		return ret;
>   	return pwm_enable(ctx->pwm);
>

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Thread

[PATCH v4 00/24] pwm: add support for atomic update Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:00 +0100
  [PATCH v4 19/24] pwm: add the PWM initial state retrieval infra Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:00 +0100
  [PATCH v4 02/24] pwm: use pwm_get_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:00 +0100
    Re: [PATCH v4 02/24] pwm: use pwm_get_xxx() helpers where appropriate Joachim Eastwood <manabian@gmail.com> - 2015-11-16 18:50 +0100
      Re: [PATCH v4 02/24] pwm: use pwm_get_xxx() helpers where  appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 19:20 +0100
  [PATCH v4 13/24] hwmon: pwm-fan: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
    Re: [PATCH v4 13/24] hwmon: pwm-fan: use pwm_get/set_default_xxx()  helpers where appropriate Guenter Roeck <linux@roeck-us.net> - 2015-11-16 17:10 +0100
  [PATCH v4 16/24] pwm: move the enabled/disabled info to pwm_state struct Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 10/24] backlight: pwm: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 11/24] fbdev: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 08/24] leds: pwm: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 15/24] pwm: define a new pwm_state struct Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 14/24] clk: pwm: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 09/24] regulator: pwm: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
    Re: [PATCH v4 09/24] regulator: pwm: use pwm_get/set_default_xxx()  helpers where appropriate Mark Brown <broonie@kernel.org> - 2015-11-16 12:00 +0100
      Re: [PATCH v4 09/24] regulator: pwm: use pwm_get/set_default_xxx()  helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 13:30 +0100
        Re: [PATCH v4 09/24] regulator: pwm: use pwm_get/set_default_xxx()  helpers where appropriate Mark Brown <broonie@kernel.org> - 2015-11-16 19:50 +0100
          Re: [PATCH v4 09/24] regulator: pwm: use pwm_get/set_default_xxx()  helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 20:30 +0100
  [PATCH v4 07/24] pwm: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 06/24] pwm: introduce default period and polarity concepts Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 03/24] clk: pwm: use pwm_get_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 17/24] backlight: pwm_bl: remove useless call to pwm_set_period Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  [PATCH v4 12/24] misc: max77693: use pwm_get/set_default_xxx() helpers where appropriate Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-11-16 10:10 +0100
  Re: [PATCH v4 00/24] pwm: add support for atomic update Heiko Stübner <heiko@sntech.de> - 2015-11-16 15:50 +0100

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