[PATCH v3 2/4] PCI: host-generic: Export gen_pci_init() API to allow ECAM creation

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Export gen_pci_init() API to create ECAM and initialized ECAM OPs
from PCIe driver which don't have way to populate driver_data as
just ECAM ops.

Signed-off-by: Mayank Rana <quic_mrana@xxxxxxxxxxx>
---
 drivers/pci/controller/pci-host-common.c | 3 ++-
 include/linux/pci-ecam.h                 | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/pci-host-common.c b/drivers/pci/controller/pci-host-common.c
index cf5f59a745b3..b9460a4c5b7e 100644
--- a/drivers/pci/controller/pci-host-common.c
+++ b/drivers/pci/controller/pci-host-common.c
@@ -20,7 +20,7 @@ static void gen_pci_unmap_cfg(void *ptr)
 	pci_ecam_free((struct pci_config_window *)ptr);
 }
 
-static struct pci_config_window *gen_pci_init(struct device *dev,
+struct pci_config_window *gen_pci_init(struct device *dev,
 		struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops)
 {
 	int err;
@@ -48,6 +48,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev,
 
 	return cfg;
 }
+EXPORT_SYMBOL_GPL(gen_pci_init);
 
 int pci_host_common_probe(struct platform_device *pdev)
 {
diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h
index 3a4860bd2758..386c08349169 100644
--- a/include/linux/pci-ecam.h
+++ b/include/linux/pci-ecam.h
@@ -94,5 +94,7 @@ extern const struct pci_ecam_ops loongson_pci_ecam_ops; /* Loongson PCIe */
 /* for DT-based PCI controllers that support ECAM */
 int pci_host_common_probe(struct platform_device *pdev);
 void pci_host_common_remove(struct platform_device *pdev);
+struct pci_config_window *gen_pci_init(struct device *dev,
+		struct pci_host_bridge *bridge, const struct pci_ecam_ops *ops);
 #endif
 #endif
-- 
2.25.1





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