diff options
Diffstat (limited to 'drivers/acpi/resources/rsmisc.c')
| -rw-r--r-- | drivers/acpi/resources/rsmisc.c | 160 |
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); } |
