lkml.org 
[lkml]   [2012]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC PATCH v2 4/8] libata-acpi: set acpi state for SATA port
    Date
    Currently, ata_acpi_set_state() only sets acpi sate for IDE port.
    Remove this limitation.

    Signed-off-by: Lin Ming <ming.m.lin@intel.com>
    ---
    drivers/ata/libata-acpi.c | 21 ++++++++++++---------
    1 files changed, 12 insertions(+), 9 deletions(-)

    diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
    index b03e468..104c1d0 100644
    --- a/drivers/ata/libata-acpi.c
    +++ b/drivers/ata/libata-acpi.c
    @@ -841,23 +841,26 @@ void ata_acpi_on_resume(struct ata_port *ap)
    void ata_acpi_set_state(struct ata_port *ap, pm_message_t state)
    {
    struct ata_device *dev;
    -
    - if (!ata_ap_acpi_handle(ap) || (ap->flags & ATA_FLAG_ACPI_SATA))
    - return;
    + acpi_handle handle;
    + int acpi_state;

    /* channel first and then drives for power on and vica versa
    for power off */
    - if (state.event == PM_EVENT_ON)
    - acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D0);
    + handle = ata_ap_acpi_handle(ap);
    + if (handle && state.event == PM_EVENT_ON)
    + acpi_bus_set_power(handle, ACPI_STATE_D0);

    ata_for_each_dev(dev, &ap->link, ENABLED) {
    - if (ata_dev_acpi_handle(dev))
    - acpi_bus_set_power(ata_dev_acpi_handle(dev),
    + handle = ata_dev_acpi_handle(dev);
    + if (handle)
    + acpi_bus_set_power(handle,
    state.event == PM_EVENT_ON ?
    ACPI_STATE_D0 : ACPI_STATE_D3);
    }
    - if (state.event != PM_EVENT_ON)
    - acpi_bus_set_power(ata_ap_acpi_handle(ap), ACPI_STATE_D3);
    +
    + handle = ata_ap_acpi_handle(ap);
    + if (handle && state.event != PM_EVENT_ON)
    + acpi_bus_set_power(handle, ACPI_STATE_D3);
    }

    /**
    --
    1.7.2.5


    \
     
     \ /
      Last update: 2012-03-01 10:09    [W:0.021 / U:32.148 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site