What is the purpose of function omap_get_config()

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Hello,

   I am porting a lcd panel to OMAP2430. It didn't enter the probe
entry of the omapfb. I found that it did not register the device in
fb.c located in arch/arm/plat-omap. Because the function
 omap_get_config( OMAP_TAG_LCD, struct omap_lcd_config )
 which is invoked before platform_device_register returns NULL.

So I wonder the purpose of omap_get_config and where it gets the
configuration. Can anybody tell me in detail? Thanks very much!

Jerry
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