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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
Cc: lgirdwood@gmail.com, broonie@kernel.org, agross@kernel.org,
	robh+dt@kernel.org, mark.rutland@arm.com,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v4 2/7] regulator: qcom_spmi: Refactor get_mode/set_mode
Date: Thu, 13 Jun 2019 14:32:00 -0700
Message-ID: <20190613213200.GC4814@minitux> (raw)
In-Reply-To: <20190613212531.10452-2-jeffrey.l.hugo@gmail.com>

On Thu 13 Jun 14:25 PDT 2019, Jeffrey Hugo wrote:

> spmi_regulator_common_get_mode and spmi_regulator_common_set_mode use
> multi-level ifs which mirror a switch statement.  Refactor to use a switch
> statement to make the code flow more clear.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> Signed-off-by: Jeffrey Hugo <jeffrey.l.hugo@gmail.com>
> ---
>  drivers/regulator/qcom_spmi-regulator.c | 26 +++++++++++++++++--------
>  1 file changed, 18 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
> index 42c429d50743..1b3383a24c9d 100644
> --- a/drivers/regulator/qcom_spmi-regulator.c
> +++ b/drivers/regulator/qcom_spmi-regulator.c
> @@ -911,13 +911,16 @@ static unsigned int spmi_regulator_common_get_mode(struct regulator_dev *rdev)
>  
>  	spmi_vreg_read(vreg, SPMI_COMMON_REG_MODE, &reg, 1);
>  
> -	if (reg & SPMI_COMMON_MODE_HPM_MASK)
> -		return REGULATOR_MODE_NORMAL;
> +	reg &= SPMI_COMMON_MODE_HPM_MASK | SPMI_COMMON_MODE_AUTO_MASK;
>  
> -	if (reg & SPMI_COMMON_MODE_AUTO_MASK)
> +	switch (reg) {
> +	case SPMI_COMMON_MODE_HPM_MASK:
> +		return REGULATOR_MODE_NORMAL;
> +	case SPMI_COMMON_MODE_AUTO_MASK:
>  		return REGULATOR_MODE_FAST;
> -
> -	return REGULATOR_MODE_IDLE;
> +	default:
> +		return REGULATOR_MODE_IDLE;
> +	}
>  }
>  
>  static int
> @@ -925,12 +928,19 @@ spmi_regulator_common_set_mode(struct regulator_dev *rdev, unsigned int mode)
>  {
>  	struct spmi_regulator *vreg = rdev_get_drvdata(rdev);
>  	u8 mask = SPMI_COMMON_MODE_HPM_MASK | SPMI_COMMON_MODE_AUTO_MASK;
> -	u8 val = 0;
> +	u8 val;
>  
> -	if (mode == REGULATOR_MODE_NORMAL)
> +	switch (mode) {
> +	case REGULATOR_MODE_NORMAL:
>  		val = SPMI_COMMON_MODE_HPM_MASK;
> -	else if (mode == REGULATOR_MODE_FAST)
> +		break;
> +	case REGULATOR_MODE_FAST:
>  		val = SPMI_COMMON_MODE_AUTO_MASK;
> +		break;
> +	default:
> +		val = 0;
> +		break;
> +	}
>  
>  	return spmi_vreg_update_bits(vreg, SPMI_COMMON_REG_MODE, val, mask);
>  }
> -- 
> 2.17.1
> 

  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-13 21:24 [PATCH v4 0/7] PM8005 and PMS405 regulator support Jeffrey Hugo
2019-06-13 21:25 ` [PATCH v4 1/7] regulator: qcom_spmi: enable linear range info Jeffrey Hugo
2019-06-13 21:25   ` [PATCH v4 2/7] regulator: qcom_spmi: Refactor get_mode/set_mode Jeffrey Hugo
2019-06-13 21:32     ` Bjorn Andersson [this message]
2019-06-17 15:24     ` Applied "regulator: qcom_spmi: Refactor get_mode/set_mode" to the regulator tree Mark Brown
2019-06-17 15:24   ` Applied "regulator: qcom_spmi: enable linear range info" " Mark Brown
2019-06-13 21:25 ` [PATCH v4 3/7] dt-bindings: qcom_spmi: Document PM8005 regulators Jeffrey Hugo
2019-06-13 21:25   ` [PATCH v4 4/7] regulator: qcom_spmi: Add support for PM8005 Jeffrey Hugo
2019-06-17 15:05     ` Mark Brown
2019-06-17 15:17       ` Jeffrey Hugo
2019-06-17 16:03         ` Mark Brown
2019-06-17 17:07           ` Jeffrey Hugo
2019-06-17 18:37             ` Mark Brown
     [not found]               ` <CAOCk7NpbZwAreGpVCvF2yFBDJKbAxBZ23oncfF_SyEwoiC2+PQ@mail.gmail.com>
     [not found]                 ` <20190617192413.GI5316@sirena.org.uk>
2019-06-17 19:41                   ` Jeffrey Hugo
2019-06-13 21:26 ` [PATCH v4 5/7] arm64: dts: msm8998-mtp: Add pm8005_s1 regulator Jeffrey Hugo
2019-06-13 21:27 ` [PATCH v4 6/7] dt-bindings: qcom_spmi: Document pms405 support Jeffrey Hugo
2019-06-13 21:27   ` [PATCH v4 7/7] regulator: qcom_spmi: add PMS405 SPMI regulator Jeffrey Hugo
2019-06-13 21:37     ` Bjorn Andersson
2019-06-13 21:37   ` [PATCH v4 6/7] dt-bindings: qcom_spmi: Document pms405 support Bjorn Andersson
2019-06-17 14:58 ` [PATCH v4 0/7] PM8005 and PMS405 regulator support Mark Brown
2019-06-17 15:04   ` Jeffrey Hugo
2019-06-17 15:12     ` Mark Brown

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