Re: [PATCH 1/3] arm64: dts: qcom: sc8280xp: Fix PCIe PHY power-domains

[Johan Hovold]

On Tue, Jan 23, 2024 at 10:36:14PM +0530, Manivannan Sadhasivam wrote:
> On Mon, Jan 22, 2024 at 06:36:51PM +0100, Johan Hovold wrote:

> Ok. I tested by enabling the PHY clocks during qmp_pcie_clk_init() without
> PCIE_GDSC. It worked for one instance of the PHY which doesn't have
> PCIE_PHY_AUX_CLK, but for the PHY instance with this clock, I saw the same "clk
> stuck" issue. Then checking the internal documentation revealed that this clock
> needs PCIE_GDSC to become functional >.<
> 
> So to conclude, PCIE_AUX_CLK belongs to the controller and it needs GDSC. And
> PCIE_PHY_AUX_CLK belongs to the PHY and it also needs GDSC.
> 
> I will just submit a series to remove the PCIE_AUX_CLK from PHY nodes. Then
> in another series, I'll remove the GDSC for PHY instances that do not require
> PCIE_PHY_AUX_CLK.

Sounds good, thanks.

Johan