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authorIngo Molnar <mingo@elte.hu>2010-09-15 10:27:31 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-15 10:27:31 +0200
commit3aabae7d9dfaed60effe93662f02c19bafc18537 (patch)
treeaf94cdd69add07601d9f3f5988dfc1dc255e3886 /include/linux/vgaarb.h
parent79e406d7b00ab2b261ae32a59f266fd3b7af6f29 (diff)
parent57c072c7113f54f9512624d6c665db6184448782 (diff)
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Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'include/linux/vgaarb.h')
-rw-r--r--include/linux/vgaarb.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index 6228b5b..e9e1524 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -93,8 +93,11 @@ extern void vga_set_legacy_decoding(struct pci_dev *pdev,
* Nested calls are supported (a per-resource counter is maintained)
*/
-extern int vga_get(struct pci_dev *pdev, unsigned int rsrc,
- int interruptible);
+#if defined(CONFIG_VGA_ARB)
+extern int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible);
+#else
+static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) { return 0; }
+#endif
/**
* vga_get_interruptible
@@ -131,7 +134,11 @@ static inline int vga_get_uninterruptible(struct pci_dev *pdev,
* are already locked by another card. It can be called in any context
*/
+#if defined(CONFIG_VGA_ARB)
extern int vga_tryget(struct pci_dev *pdev, unsigned int rsrc);
+#else
+static inline int vga_tryget(struct pci_dev *pdev, unsigned int rsrc) { return 0; }
+#endif
/**
* vga_put - release lock on legacy VGA resources
@@ -146,7 +153,11 @@ extern int vga_tryget(struct pci_dev *pdev, unsigned int rsrc);
* released if the counter reaches 0.
*/
+#if defined(CONFIG_VGA_ARB)
extern void vga_put(struct pci_dev *pdev, unsigned int rsrc);
+#else
+#define vga_put(pdev, rsrc)
+#endif
/**