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authorGavin Shan <gwshan@linux.vnet.ibm.com>2015-03-17 08:15:08 +0300
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2015-03-24 05:15:53 +0300
commitc6406d8fbb014bebdfb5bf3c244548958aec7379 (patch)
treed472e1f82ffcaec3d9dd03bd34f11fdea21fdb96 /arch/powerpc/include/asm
parent0bd785873c6a6c9bd50d2ae19862f69ee5759fb9 (diff)
downloadlinux-c6406d8fbb014bebdfb5bf3c244548958aec7379.tar.xz
powerpc/eeh: Remove device_node dependency
The patch removes struct eeh_dev::dn and the corresponding helper functions: eeh_dev_to_of_node() and of_node_to_eeh_dev(). Instead, eeh_dev_to_pdn() and pdn_to_eeh_dev() should be used to get the pdn, which might contain device_node on PowerNV platform. Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r--arch/powerpc/include/asm/eeh.h7
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h14
2 files changed, 0 insertions, 21 deletions
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index f847fb716653..a52db28ecc1e 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -29,7 +29,6 @@
struct pci_dev;
struct pci_bus;
-struct device_node;
struct pci_dn;
#ifdef CONFIG_EEH
@@ -137,17 +136,11 @@ struct eeh_dev {
struct eeh_pe *pe; /* Associated PE */
struct list_head list; /* Form link list in the PE */
struct pci_controller *phb; /* Associated PHB */
- struct device_node *dn; /* Associated device node */
struct pci_dn *pdn; /* Associated PCI device node */
struct pci_dev *pdev; /* Associated PCI device */
struct pci_bus *bus; /* PCI bus for partial hotplug */
};
-static inline struct device_node *eeh_dev_to_of_node(struct eeh_dev *edev)
-{
- return edev ? edev->dn : NULL;
-}
-
static inline struct pci_dn *eeh_dev_to_pdn(struct eeh_dev *edev)
{
return edev ? edev->pdn : NULL;
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 7b74499b728c..2c6dc2a3d14a 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -201,25 +201,11 @@ static inline int pci_device_from_OF_node(struct device_node *np,
}
#if defined(CONFIG_EEH)
-static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn)
-{
- /*
- * For those OF nodes whose parent isn't PCI bridge, they
- * don't have PCI_DN actually. So we have to skip them for
- * any EEH operations.
- */
- if (!dn || !PCI_DN(dn))
- return NULL;
-
- return PCI_DN(dn)->edev;
-}
-
static inline struct eeh_dev *pdn_to_eeh_dev(struct pci_dn *pdn)
{
return pdn ? pdn->edev : NULL;
}
#else
-#define of_node_to_eeh_dev(x) (NULL)
#define pdn_to_eeh_dev(x) (NULL)
#endif