[PATCH 03/19] powerpc/pci: Add release_device() hook to phb ops

Michael Neuling mikey at neuling.org
Tue May 19 21:22:20 AEST 2015


Add release_device() hook to phb ops so we can clean up for specific phbs.

Signed-off-by: Michael Neuling <mikey at neuling.org>
---
 arch/powerpc/include/asm/pci-bridge.h | 2 ++
 arch/powerpc/kernel/pci-hotplug.c     | 5 +++++
 2 files changed, 7 insertions(+)

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 6d17bb8..4cf0caa 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -27,6 +27,8 @@ struct pci_controller_ops {
 	 * allow assignment/enabling of the device. */
 	bool		(*enable_device_hook)(struct pci_dev *);
 
+	void		(*release_device)(struct pci_dev *);
+
 	/* Called during PCI resource reassignment */
 	resource_size_t (*window_alignment)(struct pci_bus *, unsigned long type);
 	void		(*reset_secondary_bus)(struct pci_dev *dev);
diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c
index 7ed85a6..7f9ed0c 100644
--- a/arch/powerpc/kernel/pci-hotplug.c
+++ b/arch/powerpc/kernel/pci-hotplug.c
@@ -29,7 +29,12 @@
  */
 void pcibios_release_device(struct pci_dev *dev)
 {
+	struct pci_controller *phb = pci_bus_to_host(dev->bus);
+
 	eeh_remove_device(dev);
+
+	if (phb->controller_ops.release_device)
+		phb->controller_ops.release_device(dev);
 }
 
 /**
-- 
2.1.0



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