On 11 Oct 26, Richard Zhao wrote: > Hi Amit, > > Is there anyone working on a SoC bus framework? > The bus framework can manage the bus fabric, ddr, OCRAM clocks. When a > device driver become working, it tells bus framework, cpu may access > me (ip bus and related bus fabric on), I'm also a bus master, may > access ddr (ddr dma access +1 ). For bus framework, if ddr dma access > request is zero, ddr clk can be disabled in WFI/wait mode. The bus > framework manage the SoC bus topology. If a bus switch use count is > zero, it can be disabled. It may even adjust the bus freq dynamically > according to bus request.
Why can't this be handled in the PM runtime framework? Bus runtime drivers retain the logic for enabling/disabling the clocks and regulators required for the bus. /Amit _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
