Re: [PATCH v2 2/2] clk: qcom: gcc-sc7280: Keep the USB GDSCs always on

Johan Hovold
2022-08-26T07:16:39Z

On Thu, Aug 25, 2022 at 06:21:59PM -0700, Matthias Kaehlcke wrote:
> When the GDSC is disabled during system suspend USB is broken on
> sc7280 when the system resumes. Mark the GDSC as always on to
> make sure USB still works after system suspend.
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> ---
>
> Changes in v2:
> - set the flags of the GDSC not of the GDSC power domain
> - updated commit message
>
> drivers/clk/qcom/gcc-sc7280.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clk/qcom/gcc-sc7280.c b/drivers/clk/qcom/gcc-sc7280.c
> index 7ff64d4d5920..adef68d2cb0b 100644
> --- a/drivers/clk/qcom/gcc-sc7280.c
> +++ b/drivers/clk/qcom/gcc-sc7280.c

Perhaps you can add a comment here about why this is needed similar to
what I did for sc8280xp:

https://lore.kernel.org/all/20220805121250.10347-3-johan+linaro@kernel.org/

> @@ -3127,7 +3127,7 @@ static struct gdsc gcc_usb30_prim_gdsc = {
> .name = "gcc_usb30_prim_gdsc",
> },
> .pwrsts = PWRSTS_OFF_ON,
> - .flags = VOTABLE,
> + .flags = VOTABLE | ALWAYS_ON,
> };
>
> static struct gdsc gcc_usb30_sec_gdsc = {

Look good otherwise. For both patches:

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>

Johan