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Diffstat (limited to 'include/linux/fb.h')
-rw-r--r--include/linux/fb.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 94e2c44c6569..05dc9624897d 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -536,6 +536,7 @@ extern ssize_t fb_io_read(struct fb_info *info, char __user *buf,
size_t count, loff_t *ppos);
extern ssize_t fb_io_write(struct fb_info *info, const char __user *buf,
size_t count, loff_t *ppos);
+int fb_io_mmap(struct fb_info *info, struct vm_area_struct *vma);
#define __FB_DEFAULT_IOMEM_OPS_RDWR \
.fb_read = fb_io_read, \
@@ -547,7 +548,7 @@ extern ssize_t fb_io_write(struct fb_info *info, const char __user *buf,
.fb_imageblit = cfb_imageblit
#define __FB_DEFAULT_IOMEM_OPS_MMAP \
- .fb_mmap = NULL /* default implementation */
+ .fb_mmap = fb_io_mmap
#define FB_DEFAULT_IOMEM_OPS \
__FB_DEFAULT_IOMEM_OPS_RDWR, \
@@ -848,7 +849,10 @@ static inline bool fb_modesetting_disabled(const char *drvname)
}
#endif
-/* Convenience logging macros */
+/*
+ * Convenience logging macros
+ */
+
#define fb_err(fb_info, fmt, ...) \
pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
#define fb_notice(info, fmt, ...) \
@@ -860,4 +864,12 @@ static inline bool fb_modesetting_disabled(const char *drvname)
#define fb_dbg(fb_info, fmt, ...) \
pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
+#define fb_warn_once(fb_info, fmt, ...) \
+ pr_warn_once("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
+
+#define fb_WARN_ONCE(fb_info, condition, fmt, ...) \
+ WARN_ONCE(condition, "fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
+#define fb_WARN_ON_ONCE(fb_info, x) \
+ fb_WARN_ONCE(fb_info, (x), "%s", "fb_WARN_ON_ONCE(" __stringify(x) ")")
+
#endif /* _LINUX_FB_H */