Patch "PCI: Export pcie_find_root_port" has been added to the 4.4-stable tree

This is a note to let you know that I've just added the patch titled

PCI: Export pcie_find_root_port

to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
pci-export-pcie_find_root_port.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Johannes Thumshirn <[email protected]>
Date: Wed, 2 Nov 2016 16:35:51 -0600
Subject: PCI: Export pcie_find_root_port

From: Johannes Thumshirn <[email protected]>

commit e784930bd645e7df78c66e7872fec282b0620075 upstream.

Export pcie_find_root_port() so we can use it outside of PCIe-AER error injection.

---
 drivers/pci/pcie/aer/aer_inject.c |   14 --------------
 include/linux/pci.h               |   14 ++++++++++++++
 2 files changed, 14 insertions(+), 14 deletions(-)

@@ -283,20 +283,6 @@ out:
 	return 0;
 }
 
-static struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
-{
-	while (1) {
-		if (!pci_is_pcie(dev))
-			break;
-		if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
-			return dev;
-		if (!dev->bus->self)
-			break;
-		dev = dev->bus->self;
-	}
-	return NULL;
-}
-
 static int find_aer_device_iter(struct device *device, void *data)
 {
 	struct pcie_device **result = data;

@@ -1802,6 +1802,20 @@ static inline int pci_pcie_type(const st
 	return (pcie_caps_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
 }
 
+static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev)
+{
+	while (1) {
+		if (!pci_is_pcie(dev))
+			break;
+		if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+			return dev;
+		if (!dev->bus->self)
+			break;
+		dev = dev->bus->self;
+	}
+	return NULL;
+}
+
 void pci_request_acs(void);
 bool pci_acs_enabled(struct pci_dev *pdev, u16 acs_flags);
 bool pci_acs_path_enabled(struct pci_dev *start,

Patches currently in stable-queue which might be from [email protected] are

queue-4.4/pci-set-read-completion-boundary-to-128-iff-root-port-supports-it-_hpx.patch queue-4.4/pci-export-pcie_find_root_port.patch