[PATCH v3 2/2] PCI: sg2042: Avoid L0s and L1 on Sophgo 2042 PCIe Root Ports

[Yao Zi <me@ziyao.cc>]

Since commit f3ac2ff14834 ("PCI/ASPM: Enable all ClockPM and ASPM
states for devicetree platforms") force enable ASPM on all device tree
platform, the SG2042 root port breaks as it advertises L0s and L1
capabilities without supporting it.

Set ASPM quirks to disable advertisement of L0s and L1 support, so
it doesn't try to enable those states.

Fixes: 4e27aca4881a ("riscv: sophgo: dts: add PCIe controllers for SG2042")
Co-developed-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Yao Zi <me@ziyao.cc>
Tested-by: Han Gao <gaohan@iscas.ac.cn>
---
 drivers/pci/controller/cadence/pcie-sg2042.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/cadence/pcie-sg2042.c b/drivers/pci/controller/cadence/pcie-sg2042.c
index 0c50c74d03ee..4a2af4d0713e 100644
--- a/drivers/pci/controller/cadence/pcie-sg2042.c
+++ b/drivers/pci/controller/cadence/pcie-sg2042.c
@@ -48,6 +48,8 @@ static int sg2042_pcie_probe(struct platform_device *pdev)
 	bridge->child_ops = &sg2042_pcie_child_ops;
 
 	rc = pci_host_bridge_priv(bridge);
+	rc->quirk_broken_aspm_l0s = 1;
+	rc->quirk_broken_aspm_l1 = 1;
 	pcie = &rc->pcie;
 	pcie->dev = dev;
 
-- 
2.53.0