staging: kpc2000: dma_common_defs.h: remove unused inline functions

The functions GetBackEndStatus() and BackEndControlSetClear() are never
used by any code, so just remove them.

Cc: Matt Sickler <Matt.Sickler@daktronics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/kpc2000/kpc2000/dma_common_defs.h

@@ -25,19 +25,5 @@ static inline  void  SetBackEndControl(void __iomem *regs, u32 value)
 {
     writel(value, regs + 0);
 }
-static inline  u32  GetBackEndStatus(void __iomem *regs)
-{
-    return readl(regs + 0);
-}
-
-static inline  u32  BackEndControlSetClear(void __iomem *regs, u32 set_bits, u32 clear_bits)
-{
-    u32 start_val = GetBackEndStatus(regs);
-    u32 new_val = start_val;
-    new_val &= ~clear_bits;
-    new_val |= set_bits;
-    SetBackEndControl(regs, new_val);
-    return start_val;
-}
 
 #endif /* KPC_DMA_COMMON_DEFS_H_ */