[PATCH 10/27] powerpc: ppc_md.pcibios_enable_device_hook -> pci_controller_ops.enable_device_hook

Daniel Axtens dja at axtens.net
Wed Mar 25 16:35:44 AEDT 2015


Signed-off-by: Daniel Axtens <dja at axtens.net>
---
 arch/powerpc/include/asm/pci-bridge.h | 15 +++++++++++++++
 arch/powerpc/kernel/pci-common.c      |  5 ++---
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 5d69963c..5f7e773 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -27,6 +27,10 @@ struct pci_controller_ops {
 	void		(*dma_bus_setup)(struct pci_bus *bus);
 
 	int		(*probe_mode)(struct pci_bus *);
+
+	/* Called when pci_enable_device() is called. Returns true to
+	 * allow assignment/enabling of the device. */
+	bool		(*enable_device_hook)(struct pci_dev *);
 };
 
 /*
@@ -308,5 +312,16 @@ static inline int probe_mode(struct pci_bus *bus)
 	return PCI_PROBE_NORMAL;
 }
 
+static inline bool enable_device_hook(struct pci_dev *dev)
+{
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+
+	if (hose->controller_ops.enable_device_hook)
+		return hose->controller_ops.enable_device_hook(dev);
+	if (ppc_md.pcibios_enable_device_hook)
+		return ppc_md.pcibios_enable_device_hook(dev);
+	return true;
+}
+
 #endif	/* __KERNEL__ */
 #endif	/* _ASM_POWERPC_PCI_BRIDGE_H */
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index ff68c61..8f939b0 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -1448,9 +1448,8 @@ EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus);
 
 int pcibios_enable_device(struct pci_dev *dev, int mask)
 {
-	if (ppc_md.pcibios_enable_device_hook)
-		if (!ppc_md.pcibios_enable_device_hook(dev))
-			return -EINVAL;
+	if (!enable_device_hook(dev))
+		return -EINVAL;
 
 	return pci_enable_resources(dev, mask);
 }
-- 
2.1.4



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