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    Subjectquirk_usb_disable_ehci takes 2x 1.5s on boot
    Hi,

    I don't know since which moment (maybe I changed something in bios, but usb
    legacy kbd was ever enabled), but quirk_usb_disable_ehci takes for both of my
    ehci controllers 1.5 s.

    More precisely, the time is spent in
    pci_write_config_byte(pdev, offset + 3, 1);
    by
    outb((u8)value, 0xCFC + (reg & 3));
    from pci_conf1_write deep in the callstack.

    Is there any workaround known or something. Turning legacy usb off is not an
    option, I want to control grub.

    Thanks.


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