Re: [PATCH v2] clk: qcom: gcc-sc8280xp: Allow PCIe GDSCs to enter retention state

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On Thu, Jul 06, 2023 at 07:38:42PM +0530, Manivannan Sadhasivam wrote:
> With the minimal system suspend support in place for the PCIe driver that
> keeps the interconnect path voted, the ALWAYS_ON flag can now be dropped.
> 
> Also, the PWRSTS_RET_ON flag should be used to allow the GDSCs to enter the
> retention state when the parent domain get's turned off during system
> suspend.
> 
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
> 
> Changes in v2:
> 
> * Changed the patch from simple revert to changing the ALWAYS_ON flag to
>   PWRSTS_RET_ON.
> 
>  drivers/clk/qcom/gcc-sc8280xp.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c
> index 04a99dbaa57e..c59b0f91c87d 100644
> --- a/drivers/clk/qcom/gcc-sc8280xp.c
> +++ b/drivers/clk/qcom/gcc-sc8280xp.c
> @@ -6786,7 +6786,7 @@ static struct gdsc pcie_2a_gdsc = {
>  		.name = "pcie_2a_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | PWRSTS_RET_ON,
>  };

This is not correct either. PWRSTS_RET_ON is a pwrsts mask...

Johan



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