Daniel Lezcano <daniel.lezcano@xxxxxxxxxx> writes: > There is a big number of cpuidle drivers for the ARM architecture. > > These drivers have been cleaned up and grouped into the drivers/cpuidle > directory to keep track of the changes more easily and ensure the code > is following the same scheme across the drivers. > > That had the benefit of simplifying the code and factor out a lot of common > parts. Beside that, as the drivers belong to the 'drivers' directory, we had > to split the arch specific bits and the generic code in order to keep > everything self contained. The platform driver paradigm was used for this > purpose. > > Unfortunately, this approach is now no longer accepted and a different solution > must be provided to reach the same goal: one example is the Qualcomm cpuidle > driver upstreaming attempt [1]. > > In the meantime, ARM64 developed a generic cpuidle driver based on DT definition. > > The DT definition provides an 'enable-method' to specify one of the cpu > operations (PSCI, ...). > > This patchset unify this driver with ARM32, using the same DT definition. > > Thanks with this patchset we can use the 'enable-method' to specify a cpu > operations, hence get rid of the platform driver approach and go further in the > cpuidle driver flexibility via the DT. I really like that these two are unified now. Acked-by: Kevin Hilman <khilman@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
