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| author | Dan Williams <dan.j.williams@intel.com> | 2010-05-18 01:30:58 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-05-18 01:30:58 +0200 |
| commit | 0b28330e39bbe0ffee4c56b09fc415fcec595ea3 (patch) | |
| tree | fcf504879883763557e696eff81427b1ab78f76b /drivers/acpi/acpica/exprep.c | |
| parent | DMAENGINE: extend the control command to include an arg (diff) | |
| parent | async_tx: trim dma_async_tx_descriptor in 'no channel switch' case (diff) | |
| download | linux-0b28330e39bbe0ffee4c56b09fc415fcec595ea3.tar.xz linux-0b28330e39bbe0ffee4c56b09fc415fcec595ea3.zip | |
Merge branch 'ioat' into dmaengine
Diffstat (limited to 'drivers/acpi/acpica/exprep.c')
| -rw-r--r-- | drivers/acpi/acpica/exprep.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index edf62bf5b266..a610ebe18edd 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -468,6 +468,18 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) acpi_ut_add_reference(obj_desc->field.region_obj); + /* allow full data read from EC address space */ + if (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_EC) { + if (obj_desc->common_field.bit_length > 8) + obj_desc->common_field.access_bit_width = + ACPI_ROUND_UP(obj_desc->common_field. + bit_length, 8); + obj_desc->common_field.access_byte_width = + ACPI_DIV_8(obj_desc->common_field. + access_bit_width); + } + ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n", obj_desc->field.start_field_bit_offset, |