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    SubjectRe: Problem with "ARM: tegra: Move tegra_common_init to tegra_init_early"
    Grmbl. I missed the:

    [ 0.000000] Failed to register IRQ 136 for DMA 0

    When I booted the series on harmony and seaboard last night, since the
    board came up to prompt and seemed otherwise healthy. Sorry about


    On Tue, Feb 22, 2011 at 7:12 PM, Stephen Warren <> wrote:
    > The following commit makes the Tegra APB DMA engine fail to initialize correctly:
    > commit 0cf6230af909a86f81907455eca2a5c9b8f68fe6
    >    ARM: tegra: Move tegra_common_init to tegra_init_early
    >    Move tegra_common_init to tegra_init_early, and set it
    >    as the init_early entry in the machine struct.
    >    Initializes the clocks earlier so that timers can enable
    >    their clocks.
    >    Also reorders the members in the Harmony and Trimslice
    >    boards' machine structs to match the order they are
    >    called in.
    > The reason is that tegra_init_early_ calls tegra_dma_init which calls
    > request_threaded_irq, which fails since the IRQ hasn't yet been marked valid;
    > that only happens in tegra_init_irq, which gets called after tegra_init_early.
    > This used to work OK, since tegra_init_early was tegra_common_init, which got
    > called after tegra_init_irq, basically from the beginning of tegra_harmony_init.
    > I tried moving the call to tegra_dma_init back to each of the very end of
    > tegra_init_irq and the very beginning of tegra_harmony_init. Both of these
    > resulted in a kernel that wouldn't boot.
    > Simply removing the call to tegra_dma_init completely does allow the kernel
    > to boot, but obviously, DMA isn't available.
    > I'm a little stumped why moving tegra_dma_init causes a boot failure. Does
    > anyone have any helpful ideas, or any alternative ways to fix the underlying
    > problem?
    > Thanks.
    > --
    > nvpublic
    > --
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