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Code Issues Releases Wiki Activity

staging: sm750fb: remove unused functions

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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>
This commit is contained in:
Sudip Mukherjee 2015-03-10 22:46:52 +05:30 committed by Greg Kroah-Hartman
parent 5c7784b9d6
commit 4933b29bd4
3 changed files with 0 additions and 84 deletions
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11
drivers/staging/sm750fb/ddk750_display.c
View file

@ -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;

8
drivers/staging/sm750fb/ddk750_swi2c.c
View file

@ -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
*/

65
drivers/staging/sm750fb/sm750.c
View file

@ -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,