On common struct clock in clock framework.

Hi, I am reading through mini2440 code and understanding the clocking code. I am getting confused as to whether it uses the common clocking framework. In https://github.com/torvalds/linux/blob/master/arch/arm/plat-samsung/include/... they define a struct clk. Even in OMAP (http://processors.wiki.ti.com/index.php/Clock_Framework_User_Guide#Software_...) they have a separate struct clk definition. In the common clocking framework shouldn't they be using the common struct clk rather than have their own versions of struct clk? Thanks in advance.