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    Subject[PATCH 2/3] libata: Flag some SATA devices as non-hotpluggable
    Date
    SATA is generally hotpluggable, though some controllers don't expose
    enough information to make it possible. Flag those controllers
    appropriately.

    Signed-off-by: Matthew Garrett <mjg@redhat.com>
    ---
    drivers/ata/ata_piix.c | 3 ++-
    drivers/ata/sata_sx4.c | 3 ++-
    2 files changed, 4 insertions(+), 2 deletions(-)

    diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
    index d0a14cf..58340ea 100644
    --- a/drivers/ata/ata_piix.c
    +++ b/drivers/ata/ata_piix.c
    @@ -110,7 +110,8 @@ enum {
    PIIX_FLAG_SIDPR = (1 << 29), /* SATA idx/data pair regs */

    PIIX_PATA_FLAGS = ATA_FLAG_SLAVE_POSS,
    - PIIX_SATA_FLAGS = ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR,
    + PIIX_SATA_FLAGS = ATA_FLAG_SATA | ATA_FLAG_NO_SATA_HOTPLUG |
    + PIIX_FLAG_CHECKINTR,

    PIIX_80C_PRI = (1 << 5) | (1 << 4),
    PIIX_80C_SEC = (1 << 7) | (1 << 6),
    diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
    index bbcf970..8cb53b4 100644
    --- a/drivers/ata/sata_sx4.c
    +++ b/drivers/ata/sata_sx4.c
    @@ -274,7 +274,8 @@ static const struct ata_port_info pdc_port_info[] = {
    {
    .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
    ATA_FLAG_SRST | ATA_FLAG_MMIO |
    - ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING,
    + ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING |
    + ATA_FLAG_NO_SATA_HOTPLUG,
    .pio_mask = ATA_PIO4,
    .mwdma_mask = ATA_MWDMA2,
    .udma_mask = ATA_UDMA6,
    --
    1.6.2.5


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