linux-kernel - Re: [PATCH v15 2/3] phy: qcom-qmp: add regulator_set

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Message-ID: <YsPmD08mdcgBXwHx@matsya>
Date:   Tue, 5 Jul 2022 12:49:43 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Kuogee Hsieh <quic_khsieh@...cinc.com>
Cc:     dri-devel@...ts.freedesktop.org, robdclark@...il.com,
        sean@...rly.run, swboyd@...omium.org, dianders@...omium.org,
        daniel@...ll.ch, airlied@...ux.ie, agross@...nel.org,
        dmitry.baryshkov@...aro.org, bjorn.andersson@...aro.org,
        quic_abhinavk@...cinc.com, quic_aravindh@...cinc.com,
        quic_sbillaka@...cinc.com, freedreno@...ts.freedesktop.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v15 2/3] phy: qcom-qmp: add regulator_set_load to dp phy

On 21-06-22, 10:01, Kuogee Hsieh wrote:
> This patch add regulator_set_load() before enable regulator at
> DP phy driver.
> 
> Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com>
> Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> Reviewed-by: Douglas Anderson <dianders@...omium.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 43 ++++++++++++++++++++++++-------
>  1 file changed, 33 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> index 893b5a4..df62980 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> @@ -604,6 +604,18 @@ static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
>  	QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
>  };
>  
> +

this makes it double blank lines, pls remove

> +/* list of regulators */
> +struct qmp_regulator_data {
> +	const char *name;
> +	unsigned int enable_load;
> +};
> +
> +struct qmp_regulator_data qmp_phy_vreg_l[] = {
> +	{ .name = "vdda-phy", .enable_load = 21800 },
> +	{ .name = "vdda-pll", .enable_load = 36000 },
> +};
> +
>  struct qmp_phy;
>  
>  /* struct qmp_phy_cfg - per-PHY initialization config */
> @@ -646,7 +658,7 @@ struct qmp_phy_cfg {
>  	const char * const *reset_list;
>  	int num_resets;
>  	/* regulators to be requested */
> -	const char * const *vreg_list;
> +	const struct qmp_regulator_data *vreg_list;
>  	int num_vregs;
>  
>  	/* array of registers with different offsets */
> @@ -809,11 +821,6 @@ static const char * const sc7180_usb3phy_reset_l[] = {
>  	"phy",
>  };
>  
> -/* list of regulators */
> -static const char * const qmp_phy_vreg_l[] = {
> -	"vdda-phy", "vdda-pll",
> -};
> -
>  static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
>  	.type			= PHY_TYPE_USB3,
>  	.nlanes			= 1,
> @@ -1969,16 +1976,32 @@ static int qcom_qmp_phy_combo_vreg_init(struct device *dev, const struct qmp_phy
>  {
>  	struct qcom_qmp *qmp = dev_get_drvdata(dev);
>  	int num = cfg->num_vregs;
> -	int i;
> +	int ret, i;
>  
>  	qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
>  	if (!qmp->vregs)
>  		return -ENOMEM;
>  
>  	for (i = 0; i < num; i++)
> -		qmp->vregs[i].supply = cfg->vreg_list[i];
> -
> -	return devm_regulator_bulk_get(dev, num, qmp->vregs);
> +		qmp->vregs[i].supply = cfg->vreg_list[i].name;
> +
> +        ret = devm_regulator_bulk_get(dev, num, qmp->vregs);
> +        if (ret) {
> +                dev_err(dev, "failed at devm_regulator_bulk_get\n");
> +                return ret;
> +        }
> +
> +        for (i = 0; i < num; i++) {
> +                ret = regulator_set_load(qmp->vregs[i].consumer,
> +                                         cfg->vreg_list[i].enable_load);
> +                if (ret) {
> +                        dev_err(dev, "failed to set load at %s\n",
> +                                qmp->vregs[i].supply);
> +                        return ret;
> +                }
> +        }
> +
> +        return 0;

argh!
checkpatch says:
total: 15 errors, 25 warnings, 1 checks, 277 lines checked

Looks like all lines use spaces and not tabs :-(

Pls fix that and resend

-- 
~Vinod