korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-22 10:34:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

vgaarb: Wrap vga_(get|put) in CONFIG_VGA_ARB

Browse Source 
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>
This commit is contained in:
Chris Wilson 2010-08-19 21:29:43 +01:00 committed by Dave Airlie
parent 30f4437202
commit 04cbe1de6f
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
include/linux/vgaarb.h
View File

@ -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
/**