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    libata: ahci enclosure management bios workaround · 4c1e9aa4
    David Milburn 提交于
    During driver initialization ahci_start_port may not be able
    to turn LEDs off because the hardware may still be transmitting
    a message. And since the BIOS may not be setting the LEDs to
    off the drive LEDs may end up in a fault state. This has
    been seen on ICH9r and ICH10r when configured in AHCI mode
    instead of RAID mode, this patch doesn't key off a specific
    set of device IDs but will give the EM transmit bit a chance
    to clear if busy.
    Signed-off-by: NDavid Milburn <dmilburn@redhat.com>
    Signed-off-by: NJeff Garzik <jgarzik@redhat.com>
    4c1e9aa4
ahci.c 76.7 KB