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    SubjectRe: [PATCH v5 2/4] MAX8997/8966 PMIC Regulator Driver Initial Release
    Hi MyungJoo,

    On Fri, Mar 11, 2011 at 11:34:44AM +0900, MyungJoo Ham wrote:
    > This patch supports PMIC/Regulator part of MAX8997/MAX8966 MFD.
    > In this initial release, selecting voltages or current-limit
    > and switching on/off the regulators are supported.
    > Controlling voltages for DVS with GPIOs is not implemented fully
    > and requires more considerations: it controls multiple bucks (selection
    > of 1, 2, and 5) at the same time with SET1~3 gpios. Thus, when DVS-GPIO
    > is activated, we lose the ability to control the voltage of a single
    > buck regulator independently; i.e., contolling a buck affects other two
    > bucks. Therefore, using the conventional regulator framework directly
    > might be problematic. However, in this driver, we try to choose
    > a setting without such side effect of affecting other regulators and
    > then try to choose a setting with the minimum side effect (the sum of
    > voltage changes in other regulators).
    > On the other hand, controlling all the three bucks simultenously based
    > on the voltage set table may help build cpufreq and similar system
    > more robust; i.e., all the three voltages are consistent every time
    > without glitches during transition.
    Patch applied, with Mark's ACK.


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