Re: [PATCH v3 1/7] drivers: genpd: qcom: rpmpd: Fix MSM8976 power domains setup

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On Sat, Aug 12, 2023 at 01:24:44PM +0200, Adam Skladowski wrote:

Please drop the "drivers:" prefix in $subject, and resubmit this with
patch (alone should be fine) with the new maintainer, and appropriate
mailing list, included.

Thanks,
Bjorn

> Downstream kernel parses resource names based on pm8950-rpm-regulator.dtsi
> in such file qcom,resource-name takes three values: smpa,ldoa and clk0.
> First appearance of RWSC/RWSM point to msm-4.4 kernel
> which is way newer than what this platform was shipped with (msm-3.10).
> For the max_state downstream code limit value to TURBO inside dts
> with only one turbo_high being placed in msm-thermal bindings.
> One of effects of requesting TURBO_HIGH vote is rebooting of device
> which happens during voting inside WCNSS/IRIS,
> this behavior was observed on LeEco S2 smartphone.
> Fix regulator setup and drop unused resources.
> 
> Fixes: b1d522443b4b ("soc: qcom: rpmpd: Add rpm power domains for msm8976")
> Signed-off-by: Adam Skladowski <a39.skl@xxxxxxxxx>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  drivers/genpd/qcom/rpmpd.c | 27 ++++++++++-----------------
>  1 file changed, 10 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/genpd/qcom/rpmpd.c b/drivers/genpd/qcom/rpmpd.c
> index 3135dd1dafe0..59caa4e7b99a 100644
> --- a/drivers/genpd/qcom/rpmpd.c
> +++ b/drivers/genpd/qcom/rpmpd.c
> @@ -166,13 +166,6 @@ static struct rpmpd cx_rwcx0_vfl = {
>  	.key = KEY_FLOOR_LEVEL,
>  };
>  
> -static struct rpmpd cx_rwsc2_vfl = {
> -	.pd = { .name = "cx_vfl", },
> -	.res_type = RPMPD_RWSC,
> -	.res_id = 2,
> -	.key = KEY_FLOOR_LEVEL,
> -};
> -
>  static struct rpmpd cx_s1a_vfc = {
>  	.pd = { .name = "cx_vfc", },
>  	.res_type = RPMPD_SMPA,
> @@ -329,6 +322,13 @@ static struct rpmpd mx_s6a_lvl_ao = {
>  	.key = KEY_LEVEL,
>  };
>  
> +static struct rpmpd mx_s6a_vfl = {
> +	.pd = { .name = "mx_vfl", },
> +	.res_type = RPMPD_SMPA,
> +	.res_id = 6,
> +	.key = KEY_FLOOR_LEVEL,
> +};
> +
>  static struct rpmpd mx_s7a_lvl_ao;
>  static struct rpmpd mx_s7a_lvl = {
>  	.pd = { .name = "mx", },
> @@ -361,13 +361,6 @@ static struct rpmpd mx_rwmx0_vfl = {
>  	.key = KEY_FLOOR_LEVEL,
>  };
>  
> -static struct rpmpd mx_rwsm6_vfl = {
> -	.pd = { .name = "mx_vfl", },
> -	.res_type = RPMPD_RWSM,
> -	.res_id = 6,
> -	.key = KEY_FLOOR_LEVEL,
> -};
> -
>  /* MD */
>  static struct rpmpd md_s1a_corner_ao;
>  static struct rpmpd md_s1a_corner = {
> @@ -591,16 +584,16 @@ static const struct rpmpd_desc msm8953_desc = {
>  static struct rpmpd *msm8976_rpmpds[] = {
>  	[MSM8976_VDDCX] =	&cx_s2a_lvl,
>  	[MSM8976_VDDCX_AO] =	&cx_s2a_lvl_ao,
> -	[MSM8976_VDDCX_VFL] =	&cx_rwsc2_vfl,
> +	[MSM8976_VDDCX_VFL] =	&cx_s2a_vfl,
>  	[MSM8976_VDDMX] =	&mx_s6a_lvl,
>  	[MSM8976_VDDMX_AO] =	&mx_s6a_lvl_ao,
> -	[MSM8976_VDDMX_VFL] =	&mx_rwsm6_vfl,
> +	[MSM8976_VDDMX_VFL] =	&mx_s6a_vfl,
>  };
>  
>  static const struct rpmpd_desc msm8976_desc = {
>  	.rpmpds = msm8976_rpmpds,
>  	.num_pds = ARRAY_SIZE(msm8976_rpmpds),
> -	.max_state = RPM_SMD_LEVEL_TURBO_HIGH,
> +	.max_state = RPM_SMD_LEVEL_TURBO,
>  };
>  
>  static struct rpmpd *msm8994_rpmpds[] = {
> -- 
> 2.41.0
> 



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