[PATCH 4/4] phy: qcom-qmp-pcie: Split phy_ops into init/exit/reset/power_on

[Kathiravan Thirumoorthy]

On 9/16/2026 11:34 AM, Qiang Yu wrote:
> The controller now calls phy_init() from
> qcom_pcie_host_init()/qcom_pcie_enable_resources() and phy_reset()
> from inside its own core reset assert/deassert, so the PHY's reset
> toggles alongside the controller's core reset as HPG requires.
> Making that actually happen here needs phy_ops::init and
> phy_ops::reset implemented, and phy_ops::power_on adjusted to match.
> Split the combined phy_ops::power_on/power_off into
> phy_ops::init/exit/reset/power_on to do that.
>
> phy_ops::init enables regulators and all clocks (pipe clock first)
> and determines skip_init/skip_reset. phy_ops::reset toggles the
> reset that skip_init picked. Register-table programming used to run
> while the no-CSR reset was still asserted; now it runs afterwards,
> in phy_ops::power_on.
>
> Adds skip_reset to struct qmp_pcie so phy_ops::reset and
> phy_ops::power_on share the value phy_ops::init determined instead
> of re-reading PCS registers.
>
> Signed-off-by: Qiang Yu<qiang.yu at oss.qualcomm.com>
> ---
>   drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 184 ++++++++++++++-----------------
>   1 file changed, 80 insertions(+), 104 deletions(-)

Verified the PCIe enumeration in IPQ9574 and IPQ5424 and it works fine. So,

Tested-by: Kathiravan Thirumoorthy 
<kathiravan.thirumoorthy at oss.qualcomm.com> #IPQ9574-RDP433, IPQ5424-RDP466