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    SubjectRe: [PATCH/RFC 2/2] arm/tegra: add timeout to PCIe PLL lock detection loop
    On 03/06/2012 01:45 AM, Dmitry Artamonow wrote:
    > Tegra PCIe driver waits for PLL to lock using busy loop.
    > If PLL fails to lock for some reason, this leads to silent lockup
    > while booting (as PCIe code is not modular).
    >
    > Fix by adding timeout, so if PLL doesn't lock in a couple
    > of seconds, just PCIe driver fails and machine continues to boot.
    >
    > Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>

    That seems reasonable. So once the mdelay discussion is resolved,

    Acked-by: Stephen Warren <swarren@wwwdotorg.org>

    Any idea why the PLL doesn't lock sometimes?


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