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authorChris Wilson <chris@chris-wilson.co.uk>2010-08-19 21:29:43 +0100
committerDave Airlie <airlied@redhat.com>2010-08-27 09:10:44 +1000
commit04cbe1de6fbda9649a6f25666194e6955d3e717e (patch)
treecfa16f6b8319bfef9db8a5e9ada9ab030644a55e /include/linux/vgaarb.h
parent30f4437202daa5315a1033b2084ddce96fea99b6 (diff)
vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARB
Fix link failure without the vga arbitrator. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Dave Airlie <airlied@redhat.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
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 6228b5b77d3..e9e1524b582 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
/**