Patchwork [08/10] PCI: Add dev_is_pci_host_bridge() helper

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Submitter Yinghai Lu
Date Oct. 2, 2012, 6:33 a.m.
Message ID <1349159588-15029-9-git-send-email-yinghai@kernel.org>
Download mbox | patch
Permalink /patch/188391/
State Rejected
Headers show

Comments

Yinghai Lu - Oct. 2, 2012, 6:33 a.m.
Need to use it later for one function that is shared with pci device.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 include/linux/pci.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

Patch

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 14703c5..7ee1028 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -739,6 +739,7 @@  void pci_stop_root_bus(struct pci_bus *bus);
 void pci_remove_root_bus(struct pci_bus *bus);
 void pci_setup_cardbus(struct pci_bus *bus);
 extern void pci_sort_breadthfirst(void);
+#define dev_is_pci_host_bridge(d) ((d)->bus == &pci_host_bridge_bus_type)
 #define dev_is_pci(d) ((d)->bus == &pci_bus_type)
 #define dev_is_pf(d) ((dev_is_pci(d) ? to_pci_dev(d)->is_physfn : false))
 #define dev_num_vf(d) ((dev_is_pci(d) ? pci_num_vf(to_pci_dev(d)) : 0))