staging: sm750fb: remove unused functions

removed the functions which were not used anywhere.
it has been build tested also confirmed with git grep that there is
no other reference of these functions.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_display.c

@@ -201,17 +201,6 @@ static void waitNextVerticalSync(int ctrl,int delay)
 	}
 }
 
-static void swPanelPowerSequence_sm750le(int disp,int delay)
-{
-	unsigned int reg;
-	reg = PEEK32(DISPLAY_CONTROL_750LE);
-	if(disp)
-		reg |= 0xf;
-	else
-		reg &= ~0xf;
-	POKE32(DISPLAY_CONTROL_750LE,reg);
-}
-
 static void swPanelPowerSequence(int disp,int delay)
 {
 	unsigned int reg;

drivers/staging/sm750fb/ddk750_swi2c.c

@@ -79,14 +79,6 @@ static unsigned long g_i2cDataGPIOMuxReg = GPIO_MUX;
 static unsigned long g_i2cDataGPIODataReg = GPIO_DATA;
 static unsigned long g_i2cDataGPIODataDirReg = GPIO_DATA_DIRECTION;
 
-static unsigned char peekIO(unsigned short port,unsigned short index)
-{
-#if defined(__i386__) || defined( __x86_64__)
-		outb_p(index,port);
-		return inb_p(port+1);
-#endif
-}
-
 /*
  *  This function puts a delay between command
  */

drivers/staging/sm750fb/sm750.c

@@ -510,69 +510,6 @@ static int lynxfb_resume(struct pci_dev* pdev)
 }
 #endif
 
-static int lynxfb_ops_mmap(struct fb_info * info, struct vm_area_struct * vma)
-{
-	unsigned long off;
-	unsigned long start;
-	u32 len;
-	struct file *file;
-	
-	file = vma->vm_file;
-	
-	if (!info)
-		return -ENODEV;
-	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-		return -EINVAL;
-	off = vma->vm_pgoff << PAGE_SHIFT;
-	printk("lynxfb mmap pgoff: %lx\n", vma->vm_pgoff);
-	printk("lynxfb mmap off 1: %lx\n", off);
-	
-	/* frame buffer memory */
-	start = info->fix.smem_start;
-	len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.smem_len);
-	
-	printk("lynxfb mmap start 1: %lx\n", start);
-	printk("lynxfb mmap len 1: %x\n", len);
-	
-	if (off >= len) {
-		/* memory mapped io */
-		off -= len;
-		printk("lynxfb mmap off 2: %lx\n", off);
-		if (info->var.accel_flags) {
-			printk("lynxfb mmap accel flags true");
-			return -EINVAL;
-		}
-		start = info->fix.mmio_start;
-		len = PAGE_ALIGN((start & ~PAGE_MASK) + info->fix.mmio_len);
-		
-		printk("lynxfb mmap start 2: %lx\n", start);
-		printk("lynxfb mmap len 2: %x\n", len);
-	}
-	start &= PAGE_MASK;
-	printk("lynxfb mmap start 3: %lx\n", start);
-	printk("lynxfb mmap vm start: %lx\n", vma->vm_start);
-	printk("lynxfb mmap vm end: %lx\n", vma->vm_end);
-	printk("lynxfb mmap len: %x\n", len);
-	printk("lynxfb mmap off: %lx\n", off);
-	if ((vma->vm_end - vma->vm_start + off) > len)
-	{
-		return -EINVAL;
-	}
-	off += start;
-	printk("lynxfb mmap off 3: %lx\n", off);
-	vma->vm_pgoff = off >> PAGE_SHIFT;
-	/* This is an IO map - tell maydump to skip this VMA */
-	vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
-	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-	fb_pgprotect(file, vma, off);
-	printk("lynxfb mmap off 4: %lx\n", off);
-	printk("lynxfb mmap pgprot: %lx\n", (unsigned long) pgprot_val(vma->vm_page_prot));
-	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
-			     vma->vm_end - vma->vm_start, vma->vm_page_prot))
-		return -EAGAIN;
-	return 0;
-}
-
 static int lynxfb_ops_check_var(struct fb_var_screeninfo* var,struct fb_info* info)
 {
 	struct lynxfb_par * par;
@@ -824,8 +761,6 @@ static struct fb_ops lynxfb_ops={
 	.fb_set_par = lynxfb_ops_set_par,
 	.fb_setcolreg = lynxfb_ops_setcolreg,
 	.fb_blank = lynxfb_ops_blank,
-	/*.fb_mmap = lynxfb_ops_mmap,*/
-	/* will be hooked by hardware */
 	.fb_fillrect = cfb_fillrect,
 	.fb_imageblit = cfb_imageblit,
 	.fb_copyarea = cfb_copyarea,