Since this L1SS check is just an encapsulation problem, and the ASPM
shouldn't leak out here. Remove the L1SS check during L2 entry.
Fixes: 4774faf854f5 ("PCI: dwc: Implement generic suspend/resume functionality")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
drivers/pci/controller/dwc/pcie-designware-host.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 952f8594b5012..1e130091d62a0 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -1009,13 +1009,6 @@ int dw_pcie_suspend_noirq(struct dw_pcie *pci)
u32 val;
int ret;
- /*
- * If L1SS is supported, then do not put the link into L2 as some
- * devices such as NVMe expect low resume latency.
- */
- if (dw_pcie_readw_dbi(pci, offset + PCI_EXP_LNKCTL) & PCI_EXP_LNKCTL_ASPM_L1)
- return 0;
-
if (pci->pp.ops->pme_turn_off) {
pci->pp.ops->pme_turn_off(&pci->pp);
} else {
--
2.37.1