Re: [PATCH] clk: qcom: gcc-glymur: Use PWRSTS_RET_ON flag for USB GDSCs

[Dmitry Baryshkov]

On Fri, Oct 16, 2026 at 11:58:44AM +0530, Jagadeesh Kona wrote:
> The USB GDSCs on Glymur are currently configured with PWRSTS_OFF_ON,
> which allows the GDSC framework to fully collapse these power domains
> during gdsc_disable(). When these GDSCs collapse, the corresponding USB
> configurations are not retained in USB host mode use-cases and this breaks
> the resume of USB controller from suspend.
> 
> To avoid this, configure the USB GDSC power states to PWRSTS_RET_ON. This
> prevents the GDSC from powering off during gdsc_disable(), and allows
> hardware to retain the USB configurations across USB host mode use-cases.
> 
> Signed-off-by: Jagadeesh Kona <jagadeesh.kona@xxxxxxxxxxxxxxxx>
> ---
>  drivers/clk/qcom/gcc-glymur.c | 20 ++++++++++----------
>  1 file changed, 10 insertions(+), 10 deletions(-)


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>


-- 
With best wishes
Dmitry