[RFC 2.6.26-rc3 0/5] am200epd, pxafb, metronomefb changes v2

Hi Eric, arm and fbdev friends,

This is version 2 of this RFC and contains the following updates:
- skip setting g_options to __initdata since it is used both by init and
  probe functions 
- fix ordering of iounmap/release_mem_region
- fix setting of smem_len (thanks to Krzysztof for above feedback)
- make user_wfm_size static as caught by sparse 

This RFC consists of five patches intended to improve the condition of the
am200epd devkit support. The am200epd devkit contains a gumstix (pxa255) and
a carrier board (am200epd or Lyre), and a metronome display controller.
Previously, there was a drivers/video/am200epd driver that manipulated pxa
LCDC registers and GPSR/GPLR registers directly. That was clearly wrong so I
have removed it and written a new mach-pxa am200epd support driver. This
driver interfaces with pxafb through a set of callbacks to share/unshare
pxafb's framebuffer and achieve the same functionality without manipulating
any pxa registers directly. The patches are split as follows:

1 pxafb: module unloading support
2 pxafb: add shared framebuffer interface
3 gumstix: conversion to MFP support and add bluetooth support
4 am200epd: remove am200epd platform device driver
5 mach-pxa: add am200epd support

I would be grateful for any feedback and advice.

Thanks,
jaya


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