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authorGavin Shan <shangw@linux.vnet.ibm.com>2012-09-08 00:44:22 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2012-09-10 01:35:44 +0200
commitf8f7d63fd96ead101415a1302035137a866f8998 (patch)
tree2ce4ad466c7b53a9b771f3dfeb2f0c07f2474ade /arch/powerpc/include/asm/pci-bridge.h
parentpowerpc/eeh: Probe mode support (diff)
downloadlinux-f8f7d63fd96ead101415a1302035137a866f8998.tar.xz
linux-f8f7d63fd96ead101415a1302035137a866f8998.zip
powerpc/eeh: Trace eeh device from I/O cache
The idea comes from Benjamin Herrenschmidt. The eeh cache helps fetching the pci device according to the given I/O address. Since the eeh cache is serving for eeh, it's reasonable for eeh cache to trace eeh device except pci device. The patch make eeh cache to trace eeh device. Also, the major eeh entry function eeh_dn_check_failure has been renamed to eeh_dev_check_failure since it will take eeh device as input parameter. Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pci-bridge.h')
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 8cccbee61519..973df4d9d366 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -184,6 +184,8 @@ static inline struct eeh_dev *of_node_to_eeh_dev(struct device_node *dn)
{
return PCI_DN(dn)->edev;
}
+#else
+#define of_node_to_eeh_dev(x) (NULL)
#endif
/** Find the bus corresponding to the indicated device node */