[PATCH v5 6/6] PCI: qcom: Enable ASPM disabling during link retraining

[Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>]

Set the disable_aspm_for_retrain flag in qcom_pcie_host_init() to ensure
ASPM is disabled during link retraining operations. This prevents potential
issues with link state transitions during bandwidth scaling on Qualcomm
PCIe controllers.

Signed-off-by: Krishna Chaitanya Chundru <krishnac@codeaurora.org>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 45f4caeb0814..0237f747b69a 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1395,6 +1395,8 @@ static int qcom_pcie_host_init(struct dw_pcie_rp *pp)
 
 	qcom_pcie_perst_deassert(pcie);
 
+	pp->bridge->disable_aspm_for_retrain = true;
+
 	if (pcie->cfg->ops->config_sid) {
 		ret = pcie->cfg->ops->config_sid(pcie);
 		if (ret)

-- 
2.34.1