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path: root/drivers/acpi/resources/rscalc.c
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Diffstat (limited to 'drivers/acpi/resources/rscalc.c')
-rw-r--r--drivers/acpi/resources/rscalc.c144
1 files changed, 67 insertions, 77 deletions
diff --git a/drivers/acpi/resources/rscalc.c b/drivers/acpi/resources/rscalc.c
index 8a5f0a52371d..98176f2fcb5d 100644
--- a/drivers/acpi/resources/rscalc.c
+++ b/drivers/acpi/resources/rscalc.c
@@ -81,9 +81,8 @@ acpi_rs_get_byte_stream_length (
while (!done) {
- /*
- * Init the variable that will hold the size to add to the total.
- */
+ /* Init the variable that will hold the size to add to the total. */
+
segment_size = 0;
switch (linked_list->id) {
@@ -196,7 +195,8 @@ acpi_rs_get_byte_stream_length (
segment_size = 16;
if (linked_list->data.address16.resource_source.string_ptr) {
- segment_size += linked_list->data.address16.resource_source.string_length;
+ segment_size +=
+ linked_list->data.address16.resource_source.string_length;
segment_size++;
}
break;
@@ -212,7 +212,8 @@ acpi_rs_get_byte_stream_length (
segment_size = 26;
if (linked_list->data.address32.resource_source.string_ptr) {
- segment_size += linked_list->data.address32.resource_source.string_length;
+ segment_size +=
+ linked_list->data.address32.resource_source.string_length;
segment_size++;
}
break;
@@ -227,7 +228,8 @@ acpi_rs_get_byte_stream_length (
segment_size = 46;
if (linked_list->data.address64.resource_source.string_ptr) {
- segment_size += linked_list->data.address64.resource_source.string_length;
+ segment_size +=
+ linked_list->data.address64.resource_source.string_length;
segment_size++;
}
break;
@@ -241,38 +243,36 @@ acpi_rs_get_byte_stream_length (
* Index + the length of the null terminated string
* Resource Source + 1 for the null.
*/
- segment_size = 9 +
- (((acpi_size) linked_list->data.extended_irq.number_of_interrupts - 1) * 4);
+ segment_size = 9 + (((acpi_size)
+ linked_list->data.extended_irq.number_of_interrupts - 1) * 4);
if (linked_list->data.extended_irq.resource_source.string_ptr) {
- segment_size += linked_list->data.extended_irq.resource_source.string_length;
+ segment_size +=
+ linked_list->data.extended_irq.resource_source.string_length;
segment_size++;
}
break;
default:
- /*
- * If we get here, everything is out of sync, exit with error
- */
+
+ /* If we get here, everything is out of sync, exit with error */
+
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
} /* switch (linked_list->Id) */
- /*
- * Update the total
- */
+ /* Update the total */
+
byte_stream_size_needed += segment_size;
- /*
- * Point to the next object
- */
+ /* Point to the next object */
+
linked_list = ACPI_PTR_ADD (struct acpi_resource,
linked_list, linked_list->length);
}
- /*
- * This is the data the caller needs
- */
+ /* This is the data the caller needs */
+
*size_needed = byte_stream_size_needed;
return_ACPI_STATUS (AE_OK);
}
@@ -320,9 +320,8 @@ acpi_rs_get_list_length (
while (bytes_parsed < byte_stream_buffer_length) {
- /*
- * The next byte in the stream is the resource type
- */
+ /* The next byte in the stream is the resource type */
+
resource_type = acpi_rs_get_resource_type (*byte_stream_buffer);
switch (resource_type) {
@@ -346,9 +345,8 @@ acpi_rs_get_list_length (
ACPI_MOVE_16_TO_16 (&temp16, buffer);
bytes_consumed = temp16 + 3;
- /*
- * Ensure a 32-bit boundary for the structure
- */
+ /* Ensure a 32-bit boundary for the structure */
+
temp16 = (u16) ACPI_ROUND_UP_to_32_bITS (temp16);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
@@ -416,9 +414,8 @@ acpi_rs_get_list_length (
temp8 = 0;
}
- /*
- * Ensure a 64-bit boundary for the structure
- */
+ /* Ensure a 64-bit boundary for the structure */
+
temp8 = (u8) ACPI_ROUND_UP_to_64_bITS (temp8);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address64) +
@@ -452,9 +449,8 @@ acpi_rs_get_list_length (
temp8 = 0;
}
- /*
- * Ensure a 32-bit boundary for the structure
- */
+ /* Ensure a 32-bit boundary for the structure */
+
temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address32) +
@@ -488,9 +484,8 @@ acpi_rs_get_list_length (
temp8 = 0;
}
- /*
- * Ensure a 32-bit boundary for the structure
- */
+ /* Ensure a 32-bit boundary for the structure */
+
temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_address16) +
@@ -537,9 +532,8 @@ acpi_rs_get_list_length (
temp8 = 0;
}
- /*
- * Ensure a 32-bit boundary for the structure
- */
+ /* Ensure a 32-bit boundary for the structure */
+
temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_ext_irq) +
@@ -567,9 +561,8 @@ acpi_rs_get_list_length (
++buffer;
- /*
- * Look at the number of bits set
- */
+ /* Look at the number of bits set */
+
ACPI_MOVE_16_TO_16 (&temp16, buffer);
for (index = 0; index < 16; index++) {
@@ -596,9 +589,8 @@ acpi_rs_get_list_length (
++buffer;
- /*
- * Look at the number of bits set
- */
+ /* Look at the number of bits set */
+
temp8 = *buffer;
for(index = 0; index < 8; index++) {
@@ -670,9 +662,8 @@ acpi_rs_get_list_length (
temp8 = (u8) (temp8 & 0x7);
bytes_consumed = temp8 + 1;
- /*
- * Ensure a 32-bit boundary for the structure
- */
+ /* Ensure a 32-bit boundary for the structure */
+
temp8 = (u8) ACPI_ROUND_UP_to_32_bITS (temp8);
structure_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor) +
(temp8 * sizeof (u8));
@@ -697,21 +688,18 @@ acpi_rs_get_list_length (
return_ACPI_STATUS (AE_AML_INVALID_RESOURCE_TYPE);
}
- /*
- * Update the return value and counter
- */
+ /* Update the return value and counter */
+
buffer_size += (u32) ACPI_ALIGN_RESOURCE_SIZE (structure_size);
bytes_parsed += bytes_consumed;
- /*
- * Set the byte stream to point to the next resource
- */
+ /* Set the byte stream to point to the next resource */
+
byte_stream_buffer += bytes_consumed;
}
- /*
- * This is the data the caller needs
- */
+ /* This is the data the caller needs */
+
*size_needed = buffer_size;
return_ACPI_STATUS (AE_OK);
}
@@ -767,9 +755,8 @@ acpi_rs_get_pci_routing_table_length (
top_object_list = package_object->package.elements;
for (index = 0; index < number_of_elements; index++) {
- /*
- * Dereference the sub-package
- */
+ /* Dereference the sub-package */
+
package_element = *top_object_list;
/*
@@ -778,37 +765,40 @@ acpi_rs_get_pci_routing_table_length (
*/
sub_object_list = package_element->package.elements;
- /*
- * Scan the irq_table_elements for the Source Name String
- */
+ /* Scan the irq_table_elements for the Source Name String */
+
name_found = FALSE;
for (table_index = 0; table_index < 4 && !name_found; table_index++) {
- if ((ACPI_TYPE_STRING == ACPI_GET_OBJECT_TYPE (*sub_object_list)) ||
- ((ACPI_TYPE_LOCAL_REFERENCE == ACPI_GET_OBJECT_TYPE (*sub_object_list)) &&
- ((*sub_object_list)->reference.opcode == AML_INT_NAMEPATH_OP))) {
+ if ((ACPI_TYPE_STRING ==
+ ACPI_GET_OBJECT_TYPE (*sub_object_list)) ||
+
+ ((ACPI_TYPE_LOCAL_REFERENCE ==
+ ACPI_GET_OBJECT_TYPE (*sub_object_list)) &&
+
+ ((*sub_object_list)->reference.opcode ==
+ AML_INT_NAMEPATH_OP))) {
name_found = TRUE;
}
else {
- /*
- * Look at the next element
- */
+ /* Look at the next element */
+
sub_object_list++;
}
}
temp_size_needed += (sizeof (struct acpi_pci_routing_table) - 4);
- /*
- * Was a String type found?
- */
+ /* Was a String type found? */
+
if (name_found) {
if (ACPI_GET_OBJECT_TYPE (*sub_object_list) == ACPI_TYPE_STRING) {
/*
* The length String.Length field does not include the
* terminating NULL, add 1
*/
- temp_size_needed += ((acpi_size) (*sub_object_list)->string.length + 1);
+ temp_size_needed += ((acpi_size)
+ (*sub_object_list)->string.length + 1);
}
else {
temp_size_needed += acpi_ns_get_pathname_length (
@@ -827,14 +817,14 @@ acpi_rs_get_pci_routing_table_length (
temp_size_needed = ACPI_ROUND_UP_to_64_bITS (temp_size_needed);
- /*
- * Point to the next union acpi_operand_object
- */
+ /* Point to the next union acpi_operand_object */
+
top_object_list++;
}
/*
- * Adding an extra element to the end of the list, essentially a NULL terminator
+ * Adding an extra element to the end of the list, essentially a
+ * NULL terminator
*/
*buffer_size_needed = temp_size_needed + sizeof (struct acpi_pci_routing_table);
return_ACPI_STATUS (AE_OK);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.