omap2 clock: Cleanup in clksel-related code; add sys_clkout2 divisor handling
Convert omap2_get_clksel to use void __iomem *. Add omap2_divisor_to_clksel(), to convert clock divisors into appropriate register bit field values. Use non-shifted register bit field masks in clksel code, rather than masks that have been preshifted down to bit 0 -- this simplifies existing code and facilitates the use of symbolic constants from the recent PRCM cleanup. Also add code to properly handle divisors for sys_clkout2 on OMAP2420. Previously this clock's divisor settings were ignored. Signed-off-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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