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authorJames Morris <jmorris@namei.org>2010-05-06 10:56:07 +1000
committerJames Morris <jmorris@namei.org>2010-05-06 10:56:07 +1000
commit0ffbe2699cda6afbe08501098dff8a8c2fe6ae09 (patch)
tree81b1a2305d16c873371b65c5a863c0268036cefe /drivers/acpi/acpica
parent4e5d6f7ec3833c0da9cf34fa5c53c6058c5908b6 (diff)
parent7ebd467551ed6ae200d7835a84bbda0dcadaa511 (diff)
Merge branch 'master' into next
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r--drivers/acpi/acpica/evgpe.c19
-rw-r--r--drivers/acpi/acpica/exprep.c17
2 files changed, 24 insertions, 12 deletions
diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c
index 837de669743a..78c55508aff5 100644
--- a/drivers/acpi/acpica/evgpe.c
+++ b/drivers/acpi/acpica/evgpe.c
@@ -117,19 +117,14 @@ acpi_status acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
if (ACPI_FAILURE(status))
return_ACPI_STATUS(status);
- /* Mark wake-enabled or HW enable, or both */
-
- if (gpe_event_info->runtime_count) {
- /* Clear the GPE (of stale events), then enable it */
- status = acpi_hw_clear_gpe(gpe_event_info);
- if (ACPI_FAILURE(status))
- return_ACPI_STATUS(status);
-
- /* Enable the requested runtime GPE */
- status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
- }
+ /* Clear the GPE (of stale events), then enable it */
+ status = acpi_hw_clear_gpe(gpe_event_info);
+ if (ACPI_FAILURE(status))
+ return_ACPI_STATUS(status);
- return_ACPI_STATUS(AE_OK);
+ /* Enable the requested GPE */
+ status = acpi_hw_write_gpe_enable_reg(gpe_event_info);
+ return_ACPI_STATUS(status);
}
/*******************************************************************************
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index edf62bf5b266..2fbfe51fb141 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -468,6 +468,23 @@ 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) {
+ unsigned width =
+ ACPI_ROUND_BITS_UP_TO_BYTES(
+ obj_desc->common_field.bit_length);
+ // access_bit_width is u8, don't overflow it
+ if (width > 8)
+ width = 8;
+ obj_desc->common_field.access_byte_width =
+ width;
+ obj_desc->common_field.access_bit_width =
+ 8 * width;
+ }
+ }
+
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset,