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    Subject[PATCH v2 7/7] acpi, nfit: override mask
    Date
    Add module parameter override_dsm_mask_root for overriding
    the dsm_mask like we do for non-root dsm calls.

    Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
    ---
    drivers/acpi/nfit/core.c | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
    index f133b3e..456fcc2 100644
    --- a/drivers/acpi/nfit/core.c
    +++ b/drivers/acpi/nfit/core.c
    @@ -1624,6 +1624,7 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
    struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc;
    const u8 *uuid = to_nfit_uuid(NFIT_DEV_BUS);
    struct acpi_device *adev;
    + unsigned long dsm_mask;
    int i;

    nd_desc->cmd_mask = acpi_desc->bus_cmd_force_en;
    @@ -1635,7 +1636,11 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
    if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
    set_bit(i, &nd_desc->cmd_mask);
    set_bit(ND_CMD_CALL, &nd_desc->cmd_mask);
    - for (i = 0; i < ND_CMD_CALL; i++)
    +
    + dsm_mask = 0x3bf;
    + if (override_dsm_mask)
    + dsm_mask = override_dsm_mask;
    + for_each_set_bit(i, &dsm_mask, BITS_PER_LONG)
    if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
    set_bit(i, &nd_desc->bus_dsm_mask);
    }
    --
    1.8.5.6
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