PCI: dwc/qcom: Rework dw_pcie_wait_for_link() error handling and add D3cold support#644

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ziyuezhang-123 wants to merge 10 commits into

qualcomm-linux:qcom-6.18.yfrom

ziyuezhang-123:d3_cold_2

Commits on Jun 2, 2026

FROMLIST: PCI: dwc: Return -ENODEV from dw_pcie_wait_for_link() if device is not found

Mani-Sadhasivam
authored and
Ziyue Zhang
committed
FROMLIST: PCI: dwc: Return -EIO from dw_pcie_wait_for_link() if device is not active

Mani-Sadhasivam
authored and
Ziyue Zhang
committed
FROMLIST: PCI: dwc: Rename and move ltssm_status_string() to pcie-designware.c

Mani-Sadhasivam
authored and
Ziyue Zhang
committed
FROMLIST: PCI: dwc: Rework the error print of dw_pcie_wait_for_link()

Mani-Sadhasivam
authored and
Ziyue Zhang
committed
FROMLIST: PCI: dwc: Fail dw_pcie_host_init() if dw_pcie_wait_for_link() returns -ETIMEDOUT

Mani-Sadhasivam
authored and
Ziyue Zhang
committed
FROMLIST: PCI: host-common: Add helper to determine host bridge D3cold eligibility

krishnachaitanya-linux
authored and
Ziyue Zhang
committed
FROMLIST: PCI: qcom: Add .get_ltssm() helper

krishnachaitanya-linux
authored and
Ziyue Zhang
committed
FROMLIST: PCI: qcom: Power down PHY via PARF_PHY_CTRL before disabling rails/clocks

krishnachaitanya-linux
authored and
Ziyue Zhang
committed
FROMLIST: PCI: dwc: Use common D3cold eligibility helper in suspend path

krishnachaitanya-linux
authored and
Ziyue Zhang
committed
FROMLIST: PCI: qcom: Add D3cold support

krishnachaitanya-linux
authored and
Ziyue Zhang
committed