[PATCH] PCI/P2PDMA: Reduce scope of pci_has_p2pmem function

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From: Leon Romanovsky <leonro@xxxxxxxxxx>

pci_has_p2pmem() function is not used outside of p2pdma.c and there is
no need in EXPORT_SYMBOL_GPL for this function at all.

Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
---
 drivers/pci/p2pdma.c       | 3 +--
 include/linux/pci-p2pdma.h | 5 -----
 2 files changed, 1 insertion(+), 7 deletions(-)

diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c
index 3fa1292c8d91..988e7788c68e 100644
--- a/drivers/pci/p2pdma.c
+++ b/drivers/pci/p2pdma.c
@@ -787,7 +787,7 @@ EXPORT_SYMBOL_GPL(pci_p2pdma_distance_many);
  * pci_has_p2pmem - check if a given PCI device has published any p2pmem
  * @pdev: PCI device to check
  */
-bool pci_has_p2pmem(struct pci_dev *pdev)
+static bool pci_has_p2pmem(struct pci_dev *pdev)
 {
 	struct pci_p2pdma *p2pdma;
 	bool res;
@@ -799,7 +799,6 @@ bool pci_has_p2pmem(struct pci_dev *pdev)
 
 	return res;
 }
-EXPORT_SYMBOL_GPL(pci_has_p2pmem);
 
 /**
  * pci_p2pmem_find_many - find a peer-to-peer DMA memory device compatible with
diff --git a/include/linux/pci-p2pdma.h b/include/linux/pci-p2pdma.h
index dea98baee5ce..b9ba63c40e51 100644
--- a/include/linux/pci-p2pdma.h
+++ b/include/linux/pci-p2pdma.h
@@ -71,7 +71,6 @@ int pci_p2pdma_add_resource(struct pci_dev *pdev, int bar, size_t size,
 		u64 offset);
 int pci_p2pdma_distance_many(struct pci_dev *provider, struct device **clients,
 			     int num_clients, bool verbose);
-bool pci_has_p2pmem(struct pci_dev *pdev);
 struct pci_dev *pci_p2pmem_find_many(struct device **clients, int num_clients);
 void *pci_alloc_p2pmem(struct pci_dev *pdev, size_t size);
 void pci_free_p2pmem(struct pci_dev *pdev, void *addr, size_t size);
@@ -101,10 +100,6 @@ static inline int pci_p2pdma_distance_many(struct pci_dev *provider,
 {
 	return -1;
 }
-static inline bool pci_has_p2pmem(struct pci_dev *pdev)
-{
-	return false;
-}
 static inline struct pci_dev *pci_p2pmem_find_many(struct device **clients,
 						   int num_clients)
 {
-- 
2.51.0





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