[PATCH v3 7/7] acpi, nfit: override mask

[Jerry Hoemann]

Have module parameter override_dsm_mask override the dsm_mask for
root calls like it does for non-root dsm calls.

Signed-off-by: Jerry Hoemann <jerry.hoem...@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 7d2f1a0..87acaf2 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1627,6 +1627,7 @@ 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;
@@ -1638,7 +1639,11 @@ 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