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-rw-r--r--drivers/pci/controller/dwc/pcie-qcom.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 8cf0a27d166b..4f76d42457c2 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1782,6 +1782,12 @@ static int qcom_pcie_ecam_host_init(struct pci_config_window *cfg)
pci->dbi_base = cfg->win;
pp->num_vectors = MSI_DEF_NUM_VECTORS;
+ /*
+ * dw_pcie_msi_host_init() is called directly here, bypassing
+ * dw_pcie_host_init() where pp->lock is normally initialized.
+ */
+ raw_spin_lock_init(&pp->lock);
+
ret = dw_pcie_msi_host_init(pp);
if (ret)
return ret;