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    SubjectRe: [PATCH] bcb: Android bootloader control block driver
    On Sat, Jul 07, 2012 at 03:39:09PM -0700, Colin Cross wrote:
    > On many (most?) ARM SoCs, the reboot flag is not stored on disk, or
    > anywhere else userspace can access. It is stored in a power
    > management controller scratch register that survives resets, or a
    > register in an external I2C PMIC, or in internal SoC RAM (I've seen
    > all of these). For your proposal, every SoC would need a custom API
    > to save the reboot flag somewhere. For these devices, it clearly
    > makes more sense to use something like the REBOOT2 API, and if we have
    > to use it on some devices, it makes no sense to me to not use it on
    > other devices just because userspace could theoretically handle it.

    That's fine, but that is not what this patch did at all.

    Propose a patch that handles writing to those types of registers and we
    will be glad to review it.

    thanks,

    greg k-h


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