linux-kernel - [PATCH] PCI: Export pci_probe_reset

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Message-ID: <20150409155100.6891.72838.stgit@gimli.home>
Date:	Thu, 09 Apr 2015 09:51:43 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	linux-pci@...r.kernel.org
Cc:	bhelgaas@...gle.com, linux-kernel@...r.kernel.org
Subject: [PATCH] PCI: Export pci_probe_reset_function()

The equivalent bus and slot versions of this are already exported and
vfio-pci would like a function-probe available so we can expose
function-level reset capabilities to the user without necessarily
using it to perform a reset before enabling the device for the user.

Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
---
 drivers/pci/pci.c   |    1 +
 include/linux/pci.h |    1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 81f06e8..9f3e691 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3524,6 +3524,7 @@ 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/include/linux/pci.h b/include/linux/pci.h
index 211e9da..233d1ae 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -986,6 +986,7 @@ int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed,
 			  enum pcie_link_width *width);
 int __pci_reset_function(struct pci_dev *dev);
 int __pci_reset_function_locked(struct pci_dev *dev);
+int pci_probe_reset_function(struct pci_dev *dev);
 int pci_reset_function(struct pci_dev *dev);
 int pci_try_reset_function(struct pci_dev *dev);
 int pci_probe_reset_slot(struct pci_slot *slot);

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