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authorChristoph Hellwig <hch@lst.de>2021-07-16 09:16:31 +0300
committerChristian König <christian.koenig@amd.com>2021-07-21 11:28:56 +0300
commit6609176f56ad895ba25d4c120c707fb15f45aa4e (patch)
tree5e7a77ce999d04677c574992b723d2da8d7e4311 /include/linux/vgaarb.h
parent45549c00d3ff05735e7ceb89b20e302301cd6b14 (diff)
downloadlinux-6609176f56ad895ba25d4c120c707fb15f45aa4e.tar.xz
vgaarb: cleanup vgaarb.h
Merge the different CONFIG_VGA_ARB ifdef blocks, remove superflous externs, and regularize the stubs for !CONFIG_VGA_ARB. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://patchwork.freedesktop.org/patch/msgid/20210716061634.2446357-5-hch@lst.de Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'include/linux/vgaarb.h')
-rw-r--r--include/linux/vgaarb.h90
1 files changed, 42 insertions, 48 deletions
diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h
index fdce9007d57e..05171fc7e26a 100644
--- a/include/linux/vgaarb.h
+++ b/include/linux/vgaarb.h
@@ -33,6 +33,8 @@
#include <video/vga.h>
+struct pci_dev;
+
/* Legacy VGA regions */
#define VGA_RSRC_NONE 0x00
#define VGA_RSRC_LEGACY_IO 0x01
@@ -42,23 +44,47 @@
#define VGA_RSRC_NORMAL_IO 0x04
#define VGA_RSRC_NORMAL_MEM 0x08
-struct pci_dev;
-
-/* For use by clients */
-
-#if defined(CONFIG_VGA_ARB)
-extern void vga_set_legacy_decoding(struct pci_dev *pdev,
- unsigned int decodes);
-#else
+#ifdef CONFIG_VGA_ARB
+void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes);
+int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible);
+void vga_put(struct pci_dev *pdev, unsigned int rsrc);
+struct pci_dev *vga_default_device(void);
+void vga_set_default_device(struct pci_dev *pdev);
+int vga_remove_vgacon(struct pci_dev *pdev);
+int vga_client_register(struct pci_dev *pdev, void *cookie,
+ void (*irq_set_state)(void *cookie, bool state),
+ unsigned int (*set_vga_decode)(void *cookie, bool state));
+#else /* CONFIG_VGA_ARB */
static inline void vga_set_legacy_decoding(struct pci_dev *pdev,
- unsigned int decodes) { };
-#endif
-
-#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
+ unsigned int decodes)
+{
+};
+static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc,
+ int interruptible)
+{
+ return 0;
+}
+static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc)
+{
+}
+static inline struct pci_dev *vga_default_device(void)
+{
+ return NULL;
+}
+static inline void vga_set_default_device(struct pci_dev *pdev)
+{
+}
+static inline int vga_remove_vgacon(struct pci_dev *pdev)
+{
+ return 0;
+}
+static inline int vga_client_register(struct pci_dev *pdev, void *cookie,
+ void (*irq_set_state)(void *cookie, bool state),
+ unsigned int (*set_vga_decode)(void *cookie, bool state))
+{
+ return 0;
+}
+#endif /* CONFIG_VGA_ARB */
/**
* vga_get_interruptible
@@ -90,36 +116,4 @@ static inline int vga_get_uninterruptible(struct pci_dev *pdev,
return vga_get(pdev, rsrc, 0);
}
-#if defined(CONFIG_VGA_ARB)
-extern void vga_put(struct pci_dev *pdev, unsigned int rsrc);
-#else
-static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc)
-{
-}
-#endif
-
-
-#ifdef CONFIG_VGA_ARB
-extern struct pci_dev *vga_default_device(void);
-extern void vga_set_default_device(struct pci_dev *pdev);
-extern int vga_remove_vgacon(struct pci_dev *pdev);
-#else
-static inline struct pci_dev *vga_default_device(void) { return NULL; }
-static inline void vga_set_default_device(struct pci_dev *pdev) { }
-static inline int vga_remove_vgacon(struct pci_dev *pdev) { return 0; }
-#endif
-
-#if defined(CONFIG_VGA_ARB)
-int vga_client_register(struct pci_dev *pdev, void *cookie,
- void (*irq_set_state)(void *cookie, bool state),
- unsigned int (*set_vga_decode)(void *cookie, bool state));
-#else
-static inline int vga_client_register(struct pci_dev *pdev, void *cookie,
- void (*irq_set_state)(void *cookie, bool state),
- unsigned int (*set_vga_decode)(void *cookie, bool state))
-{
- return 0;
-}
-#endif
-
#endif /* LINUX_VGA_H */