Merge /home/v4l/v4l/patchwork

Merge /home/v4l/v4l/patchwork

* /home/v4l/v4l/patchwork:
  [media] hid-picolcd_cir: fix compilation
  [media] smiapp-pll: Constify limits argument to smiapp_pll_calculate()
  [media] smiapp-pll: Create a structure for OP and VT limits
  [media] smiapp-pll: Parallel bus support
  [media] smiapp: Input for PLL configuration is mostly static
  [media] smiapp-pll: Try other pre-pll divisors
  [media] smiapp-pll: Correct type for min_t()
  [media] smiapp-pll: Add missing trailing newlines to warning messages
  [media] xc4000: Fix a few warnings
  [media] drxk_hard: fix the return code from an error handler
  [media] mem2mem: replace BUG_ON with WARN_ON
  [media] v4l2: Fix typo in struct v4l2_captureparm description
  [media] vivi: Kill BUFFER_TIMEOUT macro
  [media] v4l: Correct definition of v4l2_buffer.flags related to cache management