Re: [PATCH v4 2/3] phy/qualcomm: add regulator_set_load to dp phy

[Vinod Koul <vkoul@kernel.org>]

On 18-05-22, 14:36, Kuogee Hsieh wrote:
> This patch add regulator_set_load() before enable regulator at
> DP phy driver.

sigh! still wrong tags!

> 
> Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
> Reviewed-by: Stephen Boyd <swboyd@chromium.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index b144ae1..20ac446 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -3130,6 +3130,7 @@ struct qmp_phy_cfg {
>  	int num_resets;
>  	/* regulators to be requested */
>  	const char * const *vreg_list;
> +	const unsigned int *vreg_enable_load;
>  	int num_vregs;
>  
>  	/* array of registers with different offsets */
> @@ -3346,6 +3347,10 @@ static const char * const qmp_phy_vreg_l[] = {
>  	"vdda-phy", "vdda-pll",
>  };
>  
> +static const unsigned int qmp_phy_vreg_enable_load[] = {
> +	21800, 36000
> +};
> +
>  static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
>  	.type			= PHY_TYPE_USB3,
>  	.nlanes			= 1,
> @@ -4072,6 +4077,7 @@ static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
>  	.reset_list		= msm8996_usb3phy_reset_l,
>  	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
>  	.vreg_list		= qmp_phy_vreg_l,
> +	.vreg_enable_load	= qmp_phy_vreg_enable_load,
>  	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
>  	.regs			= qmp_v4_usb3phy_regs_layout,
>  
> @@ -4139,6 +4145,7 @@ static const struct qmp_phy_cfg sm8250_dpphy_cfg = {
>  	.reset_list		= msm8996_usb3phy_reset_l,
>  	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
>  	.vreg_list		= qmp_phy_vreg_l,
> +	.vreg_enable_load	= qmp_phy_vreg_enable_load,
>  	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
>  	.regs			= qmp_v4_usb3phy_regs_layout,
>  
> @@ -5008,6 +5015,11 @@ static int qcom_qmp_phy_com_init(struct qmp_phy *qphy)
>  		return 0;
>  	}
>  
> +	if (cfg->vreg_enable_load) {
> +		for (i = cfg->num_vregs - 1; i >= 0; --i)
> +			regulator_set_load(qmp->vregs[i].consumer, cfg->vreg_enable_load[i]);
> +	}
> +
>  	/* turn on regulator supplies */
>  	ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
>  	if (ret) {
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project

-- 
~Vinod