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path: root/drivers/acpi/executer/exfield.c
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Diffstat (limited to 'drivers/acpi/executer/exfield.c')
-rw-r--r--drivers/acpi/executer/exfield.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index be7f2124fa02..22c8fa480f60 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -120,8 +120,8 @@ acpi_ex_read_data_from_field (
* Note: Smbus protocol value is passed in upper 16-bits of Function
*/
status = acpi_ex_access_region (obj_desc, 0,
- ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
- ACPI_READ | (obj_desc->field.attribute << 16));
+ ACPI_CAST_PTR (acpi_integer, buffer_desc->buffer.pointer),
+ ACPI_READ | (obj_desc->field.attribute << 16));
acpi_ex_release_global_lock (locked);
goto exit;
}
@@ -196,6 +196,7 @@ exit:
*
* PARAMETERS: source_desc - Contains data to write
* obj_desc - The named field
+ * result_desc - Where the return value is returned, if any
*
* RETURN: Status
*
@@ -250,12 +251,15 @@ acpi_ex_write_data_to_field (
if (ACPI_GET_OBJECT_TYPE (source_desc) != ACPI_TYPE_BUFFER) {
ACPI_REPORT_ERROR (("SMBus write requires Buffer, found type %s\n",
acpi_ut_get_object_type_name (source_desc)));
+
return_ACPI_STATUS (AE_AML_OPERAND_TYPE);
}
if (source_desc->buffer.length < ACPI_SMBUS_BUFFER_SIZE) {
- ACPI_REPORT_ERROR (("SMBus write requires Buffer of length %X, found length %X\n",
+ ACPI_REPORT_ERROR ((
+ "SMBus write requires Buffer of length %X, found length %X\n",
ACPI_SMBUS_BUFFER_SIZE, source_desc->buffer.length));
+
return_ACPI_STATUS (AE_AML_BUFFER_LIMIT);
}
@@ -265,14 +269,16 @@ acpi_ex_write_data_to_field (
}
buffer = buffer_desc->buffer.pointer;
- ACPI_MEMCPY (buffer, source_desc->buffer.pointer, ACPI_SMBUS_BUFFER_SIZE);
+ ACPI_MEMCPY (buffer, source_desc->buffer.pointer,
+ ACPI_SMBUS_BUFFER_SIZE);
/* Lock entire transaction if requested */
locked = acpi_ex_acquire_global_lock (obj_desc->common_field.field_flags);
/*
- * Perform the write (returns status and perhaps data in the same buffer)
+ * Perform the write (returns status and perhaps data in the
+ * same buffer)
* Note: SMBus protocol type is passed in upper 16-bits of Function.
*/
status = acpi_ex_access_region (obj_desc, 0,
@@ -284,9 +290,8 @@ acpi_ex_write_data_to_field (
return_ACPI_STATUS (status);
}
- /*
- * Get a pointer to the data to be written
- */
+ /* Get a pointer to the data to be written */
+
switch (ACPI_GET_OBJECT_TYPE (source_desc)) {
case ACPI_TYPE_INTEGER:
buffer = &source_desc->integer.value;
@@ -314,7 +319,8 @@ acpi_ex_write_data_to_field (
* the ACPI specification.
*/
new_buffer = NULL;
- required_length = ACPI_ROUND_BITS_UP_TO_BYTES (obj_desc->common_field.bit_length);
+ required_length = ACPI_ROUND_BITS_UP_TO_BYTES (
+ obj_desc->common_field.bit_length);
if (length < required_length) {
/* We need to create a new buffer */
@@ -338,6 +344,7 @@ acpi_ex_write_data_to_field (
"field_write [FROM]: Obj %p (%s:%X), Buf %p, byte_len %X\n",
source_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (source_desc)),
ACPI_GET_OBJECT_TYPE (source_desc), buffer, length));
+
ACPI_DEBUG_PRINT ((ACPI_DB_BFIELD,
"field_write [TO]: Obj %p (%s:%X), bit_len %X, bit_off %X, byte_off %X\n",
obj_desc, acpi_ut_get_type_name (ACPI_GET_OBJECT_TYPE (obj_desc)),