[Xen-devel] [PATCH 1/2] pci: export pci_probe_reset_function()

[David Vrabel <david.vrabel@xxxxxxxxxx>]

The xen-pciback needs to test if a per-function reset is available so
it can provide an interface for a safe bus reset instead.

Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
---
 drivers/pci/pci.c   |    1 +
 drivers/pci/pci.h   |    1 -
 include/linux/pci.h |    1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 63a54a3..950e517 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3459,6 +3459,7 @@ int pci_probe_reset_function(struct pci_dev *dev)
 {
        return pci_dev_reset(dev, 1);
 }
+EXPORT_SYMBOL_GPL(pci_probe_reset_function);
 
 /**
  * pci_reset_function - quiesce and reset a PCI device function
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 0601890..7be87d4 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -28,7 +28,6 @@ enum pci_mmap_api {
 int pci_mmap_fits(struct pci_dev *pdev, int resno, struct vm_area_struct *vmai,
                  enum pci_mmap_api mmap_api);
 #endif
-int pci_probe_reset_function(struct pci_dev *dev);
 
 /**
  * struct pci_platform_pm_ops - Firmware PM callbacks
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 466bcd1..a2d9871f 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -968,6 +968,7 @@ int pcie_get_mps(struct pci_dev *dev);
 int pcie_set_mps(struct pci_dev *dev, int mps);
 int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed,
                          enum pcie_link_width *width);
+int pci_probe_reset_function(struct pci_dev *slot);
 int __pci_reset_function(struct pci_dev *dev);
 int __pci_reset_function_locked(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
-- 
1.7.10.4


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