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    SubjectRe: platform/i2c busses: pm runtime and system sleep
    Date
    On Friday, February 18, 2011, Rabin Vincent wrote:
    > On Thu, Feb 17, 2011 at 20:55, Rabin Vincent <rabin@rab.in> wrote:
    > > This will solve the platform vs AMBA bus, but shouldn't we really be
    > > aiming for consistent behaviour between these and the other busses such
    > > as I2C and SPI, which are also usually commonly used on the same
    > > platforms and are using GENERIC_PM_OPS?
    > >
    > > Should we be auditing all platform drivers and then switch platform to
    > > the GENERIC_PM_OPS?
    > >
    > > Or should the two points (1) and (2) be not handled in the bus at all
    > > and be left to individual drivers (in which case we should audit i2c and
    > > spi and change GENERIC_PM_OPS)?
    >
    > How about something like the below? If we have something like this, we
    > can just switch platform to GENERIC_PM_OPS and add the
    > pm_runtime_want_interaction() (or something better named) call to the
    > i2c and spi drivers using runtime PM.

    Why don't we make platform_bus_type behave along the lines of generic ops
    instead?

    Rafael


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