fb.h 548 字节
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#ifndef _ASM_FB_H_
#define _ASM_FB_H_
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#include <linux/fb.h>
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#include <linux/fs.h>
#include <asm/page.h>
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#include <asm/prom.h>
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static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
				unsigned long off)
{
	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
}

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static inline int fb_is_primary_device(struct fb_info *info)
{
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	struct device *dev = info->device;
	struct device_node *node;

	node = dev->archdata.prom_node;
	if (node &&
	    node == of_console_device)
		return 1;

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	return 0;
}

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#endif /* _ASM_FB_H_ */