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MMC2 support

I'm trying to add MMC2 support into linux-omap-2.6.27-omap1 kernel code.  My question is not specifically about the implementation in that particular kernel, but is more about MMC2.  I can trace through code and see that I get to the point of issuing a command to the MMC2, however I never see any sort of response/status reported in the STAT register.  I've confirmed ICLK and FCLK clocks are enabled.  any ideas?