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path: root/drivers/acpi/resources/rsmisc.c
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Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
-rw-r--r--drivers/acpi/resources/rsmisc.c160
1 files changed, 66 insertions, 94 deletions
diff --git a/drivers/acpi/resources/rsmisc.c b/drivers/acpi/resources/rsmisc.c
index d16be44b5df7..a1f1741f0d83 100644
--- a/drivers/acpi/resources/rsmisc.c
+++ b/drivers/acpi/resources/rsmisc.c
@@ -84,24 +84,20 @@ acpi_rs_end_tag_resource (
ACPI_FUNCTION_TRACE ("rs_end_tag_resource");
- /*
- * The number of bytes consumed is static
- */
+ /* The number of bytes consumed is static */
+
*bytes_consumed = 2;
- /*
- * Fill out the structure
- */
+ /* Fill out the structure */
+
output_struct->id = ACPI_RSTYPE_END_TAG;
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = 0;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
return_ACPI_STATUS (AE_OK);
}
@@ -136,9 +132,8 @@ acpi_rs_end_tag_stream (
ACPI_FUNCTION_TRACE ("rs_end_tag_stream");
- /*
- * The descriptor field is static
- */
+ /* The descriptor field is static */
+
*buffer = 0x79;
buffer += 1;
@@ -151,9 +146,8 @@ acpi_rs_end_tag_stream (
*buffer = temp8;
buffer += 1;
- /*
- * Return the number of bytes consumed in this operation
- */
+ /* Return the number of bytes consumed in this operation */
+
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
@@ -192,21 +186,20 @@ acpi_rs_vendor_resource (
u16 temp16 = 0;
u8 temp8 = 0;
u8 index;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_vendor);
+ acpi_size struct_size = ACPI_SIZEOF_RESOURCE (
+ struct acpi_resource_vendor);
ACPI_FUNCTION_TRACE ("rs_vendor_resource");
- /*
- * Dereference the Descriptor to find if this is a large or small item.
- */
+ /* Dereference the Descriptor to find if this is a large or small item. */
+
temp8 = *buffer;
if (temp8 & 0x80) {
- /*
- * Large Item, point to the length field
- */
+ /* Large Item, point to the length field */
+
buffer += 1;
/* Dereference */
@@ -222,9 +215,8 @@ acpi_rs_vendor_resource (
buffer += 2;
}
else {
- /*
- * Small Item, dereference the size
- */
+ /* Small Item, dereference the size */
+
temp16 = (u8)(*buffer & 0x07);
/* Calculate bytes consumed */
@@ -251,14 +243,12 @@ acpi_rs_vendor_resource (
*/
struct_size += ACPI_ROUND_UP_to_32_bITS (temp16);
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = (u32) struct_size;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
return_ACPI_STATUS (AE_OK);
}
@@ -295,13 +285,11 @@ acpi_rs_vendor_stream (
ACPI_FUNCTION_TRACE ("rs_vendor_stream");
- /*
- * Dereference the length to find if this is a large or small item.
- */
+ /* Dereference the length to find if this is a large or small item. */
+
if(linked_list->data.vendor_specific.length > 7) {
- /*
- * Large Item, Set the descriptor field and length bytes
- */
+ /* Large Item, Set the descriptor field and length bytes */
+
*buffer = 0x84;
buffer += 1;
@@ -311,9 +299,8 @@ acpi_rs_vendor_stream (
buffer += 2;
}
else {
- /*
- * Small Item, Set the descriptor field
- */
+ /* Small Item, Set the descriptor field */
+
temp8 = 0x70;
temp8 |= (u8) linked_list->data.vendor_specific.length;
@@ -321,9 +308,8 @@ acpi_rs_vendor_stream (
buffer += 1;
}
- /*
- * Loop through all of the Vendor Specific fields
- */
+ /* Loop through all of the Vendor Specific fields */
+
for (index = 0; index < linked_list->data.vendor_specific.length; index++) {
temp8 = linked_list->data.vendor_specific.reserved[index];
@@ -331,9 +317,8 @@ acpi_rs_vendor_stream (
buffer += 1;
}
- /*
- * Return the number of bytes consumed in this operation
- */
+ /* Return the number of bytes consumed in this operation */
+
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
@@ -370,40 +355,37 @@ acpi_rs_start_depend_fns_resource (
u8 *buffer = byte_stream_buffer;
struct acpi_resource *output_struct = (void *) *output_buffer;
u8 temp8 = 0;
- acpi_size struct_size = ACPI_SIZEOF_RESOURCE (struct acpi_resource_start_dpf);
+ acpi_size struct_size = ACPI_SIZEOF_RESOURCE (
+ struct acpi_resource_start_dpf);
ACPI_FUNCTION_TRACE ("rs_start_depend_fns_resource");
- /*
- * The number of bytes consumed are contained in the descriptor (Bits:0-1)
- */
+ /* The number of bytes consumed are found in the descriptor (Bits:0-1) */
+
temp8 = *buffer;
*bytes_consumed = (temp8 & 0x01) + 1;
output_struct->id = ACPI_RSTYPE_START_DPF;
- /*
- * Point to Byte 1 if it is used
- */
+ /* Point to Byte 1 if it is used */
+
if (2 == *bytes_consumed) {
buffer += 1;
temp8 = *buffer;
- /*
- * Check Compatibility priority
- */
+ /* Check Compatibility priority */
+
output_struct->data.start_dpf.compatibility_priority = temp8 & 0x03;
if (3 == output_struct->data.start_dpf.compatibility_priority) {
return_ACPI_STATUS (AE_AML_BAD_RESOURCE_VALUE);
}
- /*
- * Check Performance/Robustness preference
- */
+ /* Check Performance/Robustness preference */
+
output_struct->data.start_dpf.performance_robustness = (temp8 >> 2) & 0x03;
if (3 == output_struct->data.start_dpf.performance_robustness) {
@@ -412,20 +394,18 @@ acpi_rs_start_depend_fns_resource (
}
else {
output_struct->data.start_dpf.compatibility_priority =
- ACPI_ACCEPTABLE_CONFIGURATION;
+ ACPI_ACCEPTABLE_CONFIGURATION;
output_struct->data.start_dpf.performance_robustness =
- ACPI_ACCEPTABLE_CONFIGURATION;
+ ACPI_ACCEPTABLE_CONFIGURATION;
}
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = (u32) struct_size;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
return_ACPI_STATUS (AE_OK);
}
@@ -466,24 +446,20 @@ acpi_rs_end_depend_fns_resource (
ACPI_FUNCTION_TRACE ("rs_end_depend_fns_resource");
- /*
- * The number of bytes consumed is static
- */
+ /* The number of bytes consumed is static */
+
*bytes_consumed = 1;
- /*
- * Fill out the structure
- */
+ /* Fill out the structure */
+
output_struct->id = ACPI_RSTYPE_END_DPF;
- /*
- * Set the Length parameter
- */
+ /* Set the Length parameter */
+
output_struct->length = (u32) struct_size;
- /*
- * Return the final size of the structure
- */
+ /* Return the final size of the structure */
+
*structure_size = struct_size;
return_ACPI_STATUS (AE_OK);
}
@@ -533,9 +509,8 @@ acpi_rs_start_depend_fns_stream (
*buffer = 0x31;
buffer += 1;
- /*
- * Set the Priority Byte Definition
- */
+ /* Set the Priority Byte Definition */
+
temp8 = 0;
temp8 = (u8) ((linked_list->data.start_dpf.performance_robustness &
0x03) << 2);
@@ -546,9 +521,8 @@ acpi_rs_start_depend_fns_stream (
buffer += 1;
- /*
- * Return the number of bytes consumed in this operation
- */
+ /* Return the number of bytes consumed in this operation */
+
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
@@ -582,15 +556,13 @@ acpi_rs_end_depend_fns_stream (
ACPI_FUNCTION_TRACE ("rs_end_depend_fns_stream");
- /*
- * The descriptor field is static
- */
+ /* The descriptor field is static */
+
*buffer = 0x38;
buffer += 1;
- /*
- * Return the number of bytes consumed in this operation
- */
+ /* Return the number of bytes consumed in this operation */
+
*bytes_consumed = ACPI_PTR_DIFF (buffer, *output_buffer);
return_ACPI_STATUS (AE_OK);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 00:40:01 +0100