linux-kernel - Re: [PATCH v1 3/9] phy: qcom-qmp: Remove 'initialized' in favor of 'init

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Date:   Tue, 25 Aug 2020 22:44:46 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Jeykumar Sankaran <jsanka@...eaurora.org>,
        Chandan Uddaraju <chandanu@...eaurora.org>,
        Vara Reddy <varar@...eaurora.org>,
        Tanmay Shah <tanmay@...eaurora.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Sandeep Maheswaram <sanm@...eaurora.org>,
        Douglas Anderson <dianders@...omium.org>,
        Sean Paul <seanpaul@...omium.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Rob Clark <robdclark@...omium.org>
Subject: Re: [PATCH v1 3/9] phy: qcom-qmp: Remove 'initialized' in favor of
 'init_count'

On Tue 25 Aug 21:47 CDT 2020, Stephen Boyd wrote:

> We already track if any phy inside the qmp wrapper has been initialized
> by means of the struct qcom_qmp::init_count member. Let's drop the
> duplicate 'initialized' member to simplify the code a bit.
> 
> Cc: Jeykumar Sankaran <jsanka@...eaurora.org>
> Cc: Chandan Uddaraju <chandanu@...eaurora.org>
> Cc: Vara Reddy <varar@...eaurora.org>
> Cc: Tanmay Shah <tanmay@...eaurora.org>
> Cc: Bjorn Andersson <bjorn.andersson@...aro.org>

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

Regards,
Bjorn

> Cc: Manu Gautam <mgautam@...eaurora.org>
> Cc: Sandeep Maheswaram <sanm@...eaurora.org>
> Cc: Douglas Anderson <dianders@...omium.org>
> Cc: Sean Paul <seanpaul@...omium.org>
> Cc: Jonathan Marek <jonathan@...ek.ca>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Cc: Rob Clark <robdclark@...omium.org>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 9 ++-------
>  1 file changed, 2 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 7ee9e966dc6d..4a23ba9361b3 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -1844,7 +1844,6 @@ struct qmp_phy {
>   * @phys: array of per-lane phy descriptors
>   * @phy_mutex: mutex lock for PHY common block initialization
>   * @init_count: phy common block initialization count
> - * @phy_initialized: indicate if PHY has been initialized
>   * @ufs_reset: optional UFS PHY reset handle
>   */
>  struct qcom_qmp {
> @@ -1861,7 +1860,6 @@ struct qcom_qmp {
>  
>  	struct mutex phy_mutex;
>  	int init_count;
> -	bool phy_initialized;
>  
>  	struct reset_control *ufs_reset;
>  };
> @@ -2748,7 +2746,6 @@ static int qcom_qmp_phy_enable(struct phy *phy)
>  		dev_err(qmp->dev, "phy initialization timed-out\n");
>  		goto err_pcs_ready;
>  	}
> -	qmp->phy_initialized = true;
>  	return 0;
>  
>  err_pcs_ready:
> @@ -2792,8 +2789,6 @@ static int qcom_qmp_phy_disable(struct phy *phy)
>  
>  	qcom_qmp_phy_com_exit(qmp);
>  
> -	qmp->phy_initialized = false;
> -
>  	return 0;
>  }
>  
> @@ -2868,7 +2863,7 @@ static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev)
>  	if (cfg->type != PHY_TYPE_USB3)
>  		return 0;
>  
> -	if (!qmp->phy_initialized) {
> +	if (!qmp->init_count) {
>  		dev_vdbg(dev, "PHY not initialized, bailing out\n");
>  		return 0;
>  	}
> @@ -2894,7 +2889,7 @@ static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev)
>  	if (cfg->type != PHY_TYPE_USB3)
>  		return 0;
>  
> -	if (!qmp->phy_initialized) {
> +	if (!qmp->init_count) {
>  		dev_vdbg(dev, "PHY not initialized, bailing out\n");
>  		return 0;
>  	}
> -- 
> Sent by a computer, using git, on the internet
>