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    SubjectRe: [PATCH 0/8] Add TI EMIF SDRAM controller driver
    On Thu, 8 Mar 2012, Greg KH wrote:

    > On Thu, Mar 08, 2012 at 09:24:17PM +0530, Aneesh V wrote:
    > > The driver will need some minor updates when it is eventually
    > > integrated with Dynamic Voltage and Frequency Scaling (DVFS).
    > > This can not be done now as DVFS support is not available in
    > > the mainline yet.
    > What will need to be updated in it? The userspace interface or
    > something else?
    > Why not wait until that code is accepted, it should be going into 3.4,
    > right?

    DVFS for the ARM cores is going in for 3.4 - that's not what Aneesh is
    referring to. The changes here pertain to DVFS for core devices. Core
    devices include the EMIF as well as several other devices. Core DVFS is
    much more challenging to implement cleanly. It has clock framework and
    driver dependencies. So it probably won't be ready for several months at
    the very least.

    - Paul

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