evie/android_kernel_oneplus_msm8998
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Merge branch 'bugzilla-15749' into release

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This commit is contained in:
Len Brown 2010-04-16 16:08:07 -04:00
commit bc3966921f
1 changed files with 11 additions and 6 deletions
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17
drivers/acpi/acpica/exprep.c
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@ -471,13 +471,18 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
/* allow full data read from EC address space */ /* allow full data read from EC address space */
if (obj_desc->field.region_obj->region.space_id == if (obj_desc->field.region_obj->region.space_id ==
ACPI_ADR_SPACE_EC) { ACPI_ADR_SPACE_EC) {
if (obj_desc->common_field.bit_length > 8) if (obj_desc->common_field.bit_length > 8) {
obj_desc->common_field.access_bit_width = unsigned width =
ACPI_ROUND_UP(obj_desc->common_field. ACPI_ROUND_BITS_UP_TO_BYTES(
bit_length, 8); 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 = obj_desc->common_field.access_byte_width =
ACPI_DIV_8(obj_desc->common_field. width;
access_bit_width); obj_desc->common_field.access_bit_width =
8 * width;
}
} }
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,