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[09/11] PCI: Add is_pci_iov_resource_idx()

Message ID 1337754877-19759-10-git-send-email-yinghai@kernel.org
State Rejected
Headers show

Commit Message

Yinghai Lu May 23, 2012, 6:34 a.m. UTC 
So we can remove one ifdef in setup-bus.c. and will share the code in that
ifdef block.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
---
 drivers/pci/setup-bus.c |    7 +++----
 include/linux/pci.h     |    8 ++++++++
 2 files changed, 11 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 4d6823f..99bc728 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -813,16 +813,15 @@  static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
 			if (r->parent || (r->flags & mask) != type)
 				continue;
 			r_size = resource_size(r);
-#ifdef CONFIG_PCI_IOV
+
 			/* put SRIOV requested res to the optional list */
-			if (realloc_head && i >= PCI_IOV_RESOURCES &&
-					i <= PCI_IOV_RESOURCE_END) {
+			if (realloc_head && is_pci_iov_resource_idx(i)) {
 				r->end = r->start - 1;
 				add_to_list(realloc_head, dev, r, r_size, 0/* dont' care */);
 				children_add_size += r_size;
 				continue;
 			}
-#endif
+
 			/* For bridges size != alignment */
 			align = pci_resource_alignment(dev, r);
 			order = __ffs(align) - 20;
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c0704a0..0d254d9 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -114,6 +114,14 @@  enum {
 	DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
 };
 
+static inline bool is_pci_iov_resource_idx(int i)
+{
+#ifdef CONFIG_PCI_IOV
+	return i >= PCI_IOV_RESOURCES && i <= PCI_IOV_RESOURCE_END;
+#endif
+	return false;
+}
+
 typedef int __bitwise pci_power_t;
 
 #define PCI_D0		((pci_power_t __force) 0)