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Commit cce8ca33 authored by Andy Grover's avatar Andy Grover
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Merge groveronline.com:/root/bk/linux-2.5 

into groveronline.com:/root/bk/linux-acpi
parents e7812034 61bc79b5
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Showing with 705 additions and 652 deletions
drivers/acpi/ac.c
View file @ cce8ca33
......@@ -29,6 +29,7 @@
#include <linux/types.h>
#include <linux/compatmac.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "acpi_bus.h"
#include "acpi_drivers.h"
......@@ -53,6 +54,7 @@ MODULE_LICENSE("GPL");
int acpi_ac_add (struct acpi_device *device);
int acpi_ac_remove (struct acpi_device *device, int type);
static int acpi_ac_open_fs(struct inode *inode, struct file *file);
static struct acpi_driver acpi_ac_driver = {
.name = ACPI_AC_DRIVER_NAME,
......@@ -69,6 +71,12 @@ struct acpi_ac {
unsigned long state;
};
static struct file_operations acpi_ac_fops = {
.open = acpi_ac_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* --------------------------------------------------------------------------
AC Adapter Management
......@@ -103,53 +111,40 @@ acpi_ac_get_state (
struct proc_dir_entry *acpi_ac_dir = NULL;
static int
acpi_ac_read_state (
char *page,
char **start,
off_t off,
int count,
int *eof,
void *data)
int acpi_ac_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_ac *ac = (struct acpi_ac *) data;
char *p = page;
int len = 0;
struct acpi_ac *ac = (struct acpi_ac *) seq->private;
ACPI_FUNCTION_TRACE("acpi_ac_read_state");
ACPI_FUNCTION_TRACE("acpi_ac_seq_show");
if (!ac || (off != 0))
goto end;
if (!ac)
return 0;
if (acpi_ac_get_state(ac)) {
p += sprintf(p, "ERROR: Unable to read AC Adapter state\n");
goto end;
seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
return 0;
}
p += sprintf(p, "state: ");
seq_puts(seq, "state: ");
switch (ac->state) {
case ACPI_AC_STATUS_OFFLINE:
p += sprintf(p, "off-line\n");
seq_puts(seq, "off-line\n");
break;
case ACPI_AC_STATUS_ONLINE:
p += sprintf(p, "on-line\n");
seq_puts(seq, "on-line\n");
break;
default:
p += sprintf(p, "unknown\n");
seq_puts(seq, "unknown\n");
break;
}
end:
len = (p - page);
if (len <= off+count) *eof = 1;
*start = page + off;
len -= off;
if (len>count) len = count;
if (len<0) len = 0;
return_VALUE(len);
return 0;
}
static int acpi_ac_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_ac_seq_show, PDE(inode)->data);
}
static int
acpi_ac_add_fs (
......@@ -174,7 +169,7 @@ acpi_ac_add_fs (
"Unable to create '%s' fs entry\n",
ACPI_AC_FILE_STATE));
else {
entry->read_proc = acpi_ac_read_state;
entry->proc_fops = &acpi_ac_fops;
entry->data = acpi_driver_data(device);
}
......
drivers/acpi/button.c
View file @ cce8ca33
......@@ -29,6 +29,7 @@
#include <linux/types.h>
#include <linux/compatmac.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "acpi_bus.h"
#include "acpi_drivers.h"
......@@ -69,6 +70,7 @@ MODULE_LICENSE("GPL");
int acpi_button_add (struct acpi_device *device);
int acpi_button_remove (struct acpi_device *device, int type);
static int acpi_button_open_fs(struct inode *inode, struct file *file);
static struct acpi_driver acpi_button_driver = {
.name = ACPI_BUTTON_DRIVER_NAME,
......@@ -87,6 +89,12 @@ struct acpi_button {
unsigned long pushed;
};
static struct file_operations acpi_button_fops = {
.open = acpi_button_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* --------------------------------------------------------------------------
FS Interface (/proc)
......@@ -94,39 +102,26 @@ struct acpi_button {
static struct proc_dir_entry *acpi_button_dir = NULL;
static int
acpi_button_read_info (
char *page,
char **start,
off_t off,
int count,
int *eof,
void *data)
static int acpi_button_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_button *button = (struct acpi_button *) data;
char *p = page;
int len = 0;
struct acpi_button *button = (struct acpi_button *) seq->private;
ACPI_FUNCTION_TRACE("acpi_button_read_info");
ACPI_FUNCTION_TRACE("acpi_button_seq_show");
if (!button || !button->device)
goto end;
return 0;
p += sprintf(p, "type: %s\n",
seq_printf(seq, "type: %s\n",
acpi_device_name(button->device));
end:
len = (p - page);
if (len <= off+count) *eof = 1;
*start = page + off;
len -= off;
if (len>count) len = count;
if (len<0) len = 0;
return_VALUE(len);
return 0;
}
static int acpi_button_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_button_seq_show, PDE(inode)->data);
}
static int
acpi_button_add_fs (
struct acpi_device *device)
......@@ -170,7 +165,7 @@ acpi_button_add_fs (
"Unable to create '%s' fs entry\n",
ACPI_BUTTON_FILE_INFO));
else {
entry->read_proc = acpi_button_read_info;
entry->proc_fops = &acpi_button_fops;
entry->data = acpi_driver_data(device);
}
......
drivers/acpi/dispatcher/dsmthdat.c
View file @ cce8ca33
/*******************************************************************************
*
* Module Name: dsmthdat - control method arguments and local variables
* $Revision: 64 $
* $Revision: 66 $
*
******************************************************************************/
......@@ -28,6 +28,7 @@
#include "acdispat.h"
#include "amlcode.h"
#include "acnamesp.h"
#include "acinterp.h"
#define _COMPONENT ACPI_DISPATCHER
......@@ -274,6 +275,7 @@ acpi_ds_method_data_get_node (
* RETURN: Status
*
* DESCRIPTION: Insert an object onto the method stack at entry Opcode:Index.
* Note: There is no "implicit conversion" for locals.
*
******************************************************************************/
......@@ -286,11 +288,17 @@ acpi_ds_method_data_set_value (
{
acpi_status status;
acpi_namespace_node *node;
acpi_operand_object *new_desc = object;
ACPI_FUNCTION_TRACE ("Ds_method_data_set_value");
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
"obj %p op %X, ref count = %d [%s]\n", object,
opcode, object->common.reference_count,
acpi_ut_get_type_name (object->common.type)));
/* Get the namespace node for the arg/local */
status = acpi_ds_method_data_get_node (opcode, index, walk_state, &node);
......@@ -298,14 +306,30 @@ acpi_ds_method_data_set_value (
return_ACPI_STATUS (status);
}
/* Increment ref count so object can't be deleted while installed */
/*
* If the object has just been created and is not attached to anything,
* (the reference count is 1), then we can just store it directly into
* the arg/local. Otherwise, we must copy it.
*/
if (object->common.reference_count > 1) {
status = acpi_ut_copy_iobject_to_iobject (object, &new_desc, walk_state);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
acpi_ut_add_reference (object);
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object Copied %p, new %p\n",
object, new_desc));
}
else {
/* Increment ref count so object can't be deleted while installed */
acpi_ut_add_reference (new_desc);
}
/* Install the object into the stack entry */
/* Install the object */
node->object = object;
return_ACPI_STATUS (AE_OK);
node->object = new_desc;
return_ACPI_STATUS (status);
}
......@@ -560,7 +584,8 @@ acpi_ds_store_object_to_local (
current_obj_desc = acpi_ns_get_attached_object (node);
if (current_obj_desc == obj_desc) {
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n", obj_desc));
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p already installed!\n",
obj_desc));
return_ACPI_STATUS (status);
}
......@@ -609,16 +634,12 @@ acpi_ds_store_object_to_local (
"Arg (%p) is an Obj_ref(Node), storing in node %p\n",
obj_desc, current_obj_desc));
/* Detach an existing object from the referenced Node */
acpi_ns_detach_object (current_obj_desc->reference.object);
/*
* Store this object into the Node
* Store this object to the Node
* (perform the indirect store)
*/
status = acpi_ns_attach_object (current_obj_desc->reference.object,
obj_desc, ACPI_GET_OBJECT_TYPE (obj_desc));
status = acpi_ex_store_object_to_node (obj_desc,
current_obj_desc->reference.object, walk_state);
return_ACPI_STATUS (status);
}
}
......
drivers/acpi/events/evevent.c
View file @ cce8ca33
/******************************************************************************
*
* Module Name: evevent - Fixed and General Purpose Even handling and dispatch
* $Revision: 96 $
* $Revision: 99 $
*
*****************************************************************************/
......@@ -331,11 +331,8 @@ acpi_ev_gpe_initialize (void)
* FADT table contain zeros. The GPE0_LEN and GPE1_LEN do not need
* to be the same size."
*/
acpi_gbl_gpe_block_info[0].address_space_id = acpi_gbl_FADT->Xgpe0_blk.address_space_id;
acpi_gbl_gpe_block_info[1].address_space_id = acpi_gbl_FADT->Xgpe1_blk.address_space_id;
acpi_gbl_gpe_block_info[0].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe0_blk.register_bit_width);
acpi_gbl_gpe_block_info[1].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe1_blk.register_bit_width);
acpi_gbl_gpe_block_info[0].register_count = 0;
acpi_gbl_gpe_block_info[1].register_count = 0;
acpi_gbl_gpe_block_info[0].block_address = &acpi_gbl_FADT->Xgpe0_blk;
acpi_gbl_gpe_block_info[1].block_address = &acpi_gbl_FADT->Xgpe1_blk;
......@@ -343,28 +340,25 @@ acpi_ev_gpe_initialize (void)
acpi_gbl_gpe_block_info[0].block_base_number = 0;
acpi_gbl_gpe_block_info[1].block_base_number = acpi_gbl_FADT->gpe1_base;
/* Warn and exit if there are no GPE registers */
acpi_gbl_gpe_register_count = acpi_gbl_gpe_block_info[0].register_count +
acpi_gbl_gpe_block_info[1].register_count;
if (!acpi_gbl_gpe_register_count) {
ACPI_REPORT_WARNING (("There are no GPE blocks defined in the FADT\n"));
return_ACPI_STATUS (AE_OK);
}
/*
* Determine the maximum GPE number for this machine.
* Note: both GPE0 and GPE1 are optional, and either can exist without
* the other
* the other.
* If EITHER the register length OR the block address are zero, then that
* particular block is not supported.
*/
if (acpi_gbl_gpe_block_info[0].register_count) {
/* GPE block 0 exists */
if (acpi_gbl_FADT->Xgpe0_blk.register_bit_width && ACPI_GET_ADDRESS (acpi_gbl_FADT->Xgpe0_blk.address)) {
/* GPE block 0 exists (has length and address > 0) */
acpi_gbl_gpe_number_max = ACPI_MUL_8 (acpi_gbl_gpe_block_info[0].register_count) - 1;
acpi_gbl_gpe_block_info[0].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe0_blk.register_bit_width);
acpi_gbl_gpe_number_max = ACPI_MUL_8 (acpi_gbl_gpe_block_info[0].register_count) - 1;
}
if (acpi_gbl_gpe_block_info[1].register_count) {
/* GPE block 1 exists */
if (acpi_gbl_FADT->Xgpe1_blk.register_bit_width && ACPI_GET_ADDRESS (acpi_gbl_FADT->Xgpe1_blk.address)) {
/* GPE block 1 exists (has length and address > 0) */
acpi_gbl_gpe_block_info[1].register_count = (u16) ACPI_DIV_16 (acpi_gbl_FADT->Xgpe1_blk.register_bit_width);
/* Check for GPE0/GPE1 overlap (if both banks exist) */
......@@ -385,6 +379,15 @@ acpi_ev_gpe_initialize (void)
(ACPI_MUL_8 (acpi_gbl_gpe_block_info[1].register_count) - 1);
}
/* Warn and exit if there are no GPE registers */
acpi_gbl_gpe_register_count = acpi_gbl_gpe_block_info[0].register_count +
acpi_gbl_gpe_block_info[1].register_count;
if (!acpi_gbl_gpe_register_count) {
ACPI_REPORT_WARNING (("There are no GPE blocks defined in the FADT\n"));
return_ACPI_STATUS (AE_OK);
}
/* Check for Max GPE number out-of-range */
if (acpi_gbl_gpe_number_max > ACPI_GPE_MAX) {
......@@ -460,8 +463,8 @@ acpi_ev_gpe_initialize (void)
+ i
+ acpi_gbl_gpe_block_info[gpe_block].register_count));
gpe_register_info->status_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].address_space_id;
gpe_register_info->enable_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].address_space_id;
gpe_register_info->status_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
gpe_register_info->enable_address.address_space_id = acpi_gbl_gpe_block_info[gpe_block].block_address->address_space_id;
gpe_register_info->status_address.register_bit_width = 8;
gpe_register_info->enable_address.register_bit_width = 8;
gpe_register_info->status_address.register_bit_offset = 8;
......@@ -565,7 +568,7 @@ acpi_ev_save_method_info (
/* Extract the name from the object and convert to a string */
ACPI_MOVE_UNALIGNED32_TO_32 (name,
&((acpi_namespace_node *) obj_handle)->name.integer);
&((acpi_namespace_node *) obj_handle)->name.integer);
name[ACPI_NAME_SIZE] = 0;
/*
......@@ -614,8 +617,8 @@ acpi_ev_save_method_info (
* Now we can add this information to the Gpe_info block
* for use during dispatch of this GPE.
*/
acpi_gbl_gpe_number_info [gpe_number_index].type = type;
acpi_gbl_gpe_number_info [gpe_number_index].method_handle = obj_handle;
acpi_gbl_gpe_number_info [gpe_number_index].type = type;
acpi_gbl_gpe_number_info [gpe_number_index].method_node = (acpi_namespace_node *) obj_handle;
/*
* Enable the GPE (SCIs should be disabled at this point)
......@@ -625,7 +628,7 @@ acpi_ev_save_method_info (
return (status);
}
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %X\n",
ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Registered GPE method %s as GPE number %2.2X\n",
name, gpe_number));
return (AE_OK);
}
......@@ -805,15 +808,16 @@ acpi_ev_asynch_execute_gpe_method (
return_VOID;
}
if (gpe_info.method_handle) {
if (gpe_info.method_node) {
/*
* Invoke the GPE Method (_Lxx, _Exx):
* (Evaluate the _Lxx/_Exx control method that corresponds to this GPE.)
*/
status = acpi_ns_evaluate_by_handle (gpe_info.method_handle, NULL, NULL);
status = acpi_ns_evaluate_by_handle (gpe_info.method_node, NULL, NULL);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("%s while evaluating GPE%X method\n",
acpi_format_exception (status), gpe_number));
ACPI_REPORT_ERROR (("%s while evaluating method [%4.4s] for GPE[%2.2X]\n",
acpi_format_exception (status),
gpe_info.method_node->name.ascii, gpe_number));
}
}
......@@ -881,7 +885,7 @@ acpi_ev_gpe_dispatch (
if (gpe_info->type & ACPI_EVENT_EDGE_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_number);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%X]\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......@@ -898,14 +902,14 @@ acpi_ev_gpe_dispatch (
gpe_info->handler (gpe_info->context);
}
else if (gpe_info->method_handle) {
else if (gpe_info->method_node) {
/*
* Disable GPE, so it doesn't keep firing before the method has a
* chance to run.
*/
status = acpi_hw_disable_gpe (gpe_number);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%X]\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
......@@ -915,13 +919,13 @@ acpi_ev_gpe_dispatch (
if (ACPI_FAILURE (acpi_os_queue_for_execution (OSD_PRIORITY_GPE,
acpi_ev_asynch_execute_gpe_method,
ACPI_TO_POINTER (gpe_number)))) {
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%X], event is disabled\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to queue handler for GPE[%2.2X], event is disabled\n", gpe_number));
}
}
else {
/* No handler or method to run! */
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: No handler or method for GPE[%X], disabling event\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: No handler or method for GPE[%2.2X], disabling event\n", gpe_number));
/*
* Disable the GPE. The GPE will remain disabled until the ACPI
......@@ -929,7 +933,7 @@ acpi_ev_gpe_dispatch (
*/
status = acpi_hw_disable_gpe (gpe_number);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%X]\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to disable GPE[%2.2X]\n", gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......@@ -940,7 +944,7 @@ acpi_ev_gpe_dispatch (
if (gpe_info->type & ACPI_EVENT_LEVEL_TRIGGERED) {
status = acpi_hw_clear_gpe (gpe_number);
if (ACPI_FAILURE (status)) {
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%X]\n", gpe_number));
ACPI_REPORT_ERROR (("Acpi_ev_gpe_dispatch: Unable to clear GPE[%2.2X]\n", gpe_number));
return_VALUE (ACPI_INTERRUPT_NOT_HANDLED);
}
}
......
drivers/acpi/events/evrgnini.c
View file @ cce8ca33
/******************************************************************************
*
* Module Name: evrgnini- ACPI Address_space (Op_region) init
* $Revision: 63 $
* $Revision: 64 $
*
*****************************************************************************/
......@@ -269,6 +269,11 @@ acpi_ev_pci_config_region_setup (
pci_id->bus = ACPI_LOWORD (temp);
}
/*
* Complete this device's Pci_id
*/
acpi_os_derive_pci_id (node, region_obj->region.node, &pci_id);
*region_context = pci_id;
return_ACPI_STATUS (AE_OK);
}
......
drivers/acpi/include/acconfig.h
View file @ cce8ca33
/******************************************************************************
*
* Name: acconfig.h - Global configuration constants
* $Revision: 118 $
* $Revision: 119 $
*
*****************************************************************************/
......@@ -54,7 +54,7 @@
/* Version string */
#define ACPI_CA_VERSION 0x20021115
#define ACPI_CA_VERSION 0x20021122
/* Version of ACPI supported */
......
drivers/acpi/include/aclocal.h
View file @ cce8ca33
/******************************************************************************
*
* Name: aclocal.h - Internal data types used across the ACPI subsystem
* $Revision: 179 $
* $Revision: 181 $
*
*****************************************************************************/
......@@ -301,7 +301,6 @@ typedef struct
typedef struct
{
u8 address_space_id;
acpi_generic_address *block_address;
u16 register_count;
u8 block_base_number;
......@@ -330,7 +329,7 @@ typedef struct
typedef struct
{
acpi_handle method_handle; /* Method handle for direct (fast) execution */
acpi_namespace_node *method_node; /* Method node for this GPE level */
acpi_gpe_handler handler; /* Address of handler, if any */
void *context; /* Context to be passed to handler */
u8 type; /* Level or Edge */
......
drivers/acpi/include/acpiosxf.h
View file @ cce8ca33
......@@ -246,6 +246,14 @@ acpi_os_write_pci_configuration (
acpi_integer value,
u32 width);
/*
* Interim function needed for PCI IRQ routing
*/
void
acpi_os_derive_pci_id(
acpi_handle rhandle,
acpi_handle chandle,
acpi_pci_id **pci_id);
/*
* Miscellaneous
......
drivers/acpi/osl.c
View file @ cce8ca33
......@@ -36,6 +36,7 @@
#include <linux/delay.h>
#include <linux/workqueue.h>
#include <asm/io.h>
#include "acpi_bus.h"
#include "acpi.h"
#ifdef CONFIG_ACPI_EFI
......@@ -483,6 +484,44 @@ acpi_os_write_pci_configuration (
return (result ? AE_ERROR : AE_OK);
}
/* TODO: Rewrite this code!!! */
void
acpi_os_derive_pci_id (
acpi_handle rhandle, /* upper bound */
acpi_handle chandle, /* current node */
acpi_pci_id **id)
{
acpi_handle handle;
acpi_pci_id *pci_id = *id;
acpi_status status;
unsigned long temp;
acpi_object_type type;
u8 tu8;
acpi_get_parent(chandle, &handle);
if (handle != rhandle) {
acpi_os_derive_pci_id(rhandle, handle, &pci_id);
status = acpi_get_type(handle, &type);
if ( (ACPI_FAILURE(status)) || (type != ACPI_TYPE_DEVICE) )
return;
status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL, &temp);
if (ACPI_SUCCESS(status)) {
pci_id->device = ACPI_HIWORD (ACPI_LODWORD (temp));
pci_id->function = ACPI_LOWORD (ACPI_LODWORD (temp));
/* any nicer way to get bus number of bridge ? */
status = acpi_os_read_pci_configuration(pci_id, 0x0e, &tu8, 8);
if (ACPI_SUCCESS(status) && (tu8 & 0x7f) == 1) {
status = acpi_os_read_pci_configuration(pci_id, 0x19, &tu8, 8);
if (ACPI_SUCCESS(status))
pci_id->bus = tu8;
}
}
}
}
#else /*!CONFIG_ACPI_PCI*/
acpi_status
......
drivers/acpi/parser/psopcode.c
View file @ cce8ca33
/******************************************************************************
*
* Module Name: psopcode - Parser/Interpreter opcode information table
* $Revision: 73 $
* $Revision: 74 $
*
*****************************************************************************/
......@@ -734,7 +734,7 @@ NATIVE_CHAR *
acpi_ps_get_opcode_name (
u16 opcode)
{
#ifdef ACPI_DISASSEMBLER
#if defined(ACPI_DISASSEMBLER) || defined (ACPI_DEBUG_OUTPUT)
const acpi_opcode_info *op;
......
drivers/acpi/power.c
View file @ cce8ca33
......@@ -29,6 +29,7 @@
#include <linux/types.h>
#include <linux/compatmac.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include "acpi_bus.h"
#include "acpi_drivers.h"
......@@ -48,6 +49,7 @@ ACPI_MODULE_NAME ("acpi_power")
int acpi_power_add (struct acpi_device *device);
int acpi_power_remove (struct acpi_device *device, int type);
static int acpi_power_open_fs(struct inode *inode, struct file *file);
static struct acpi_driver acpi_power_driver = {
.name = ACPI_POWER_DRIVER_NAME,
......@@ -71,6 +73,12 @@ struct acpi_power_resource
static struct list_head acpi_power_resource_list;
static struct file_operations acpi_power_fops = {
.open = acpi_power_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* --------------------------------------------------------------------------
Power Resource Management
......@@ -379,58 +387,45 @@ acpi_power_transition (
struct proc_dir_entry *acpi_power_dir = NULL;
static int
acpi_power_read_status (
char *page,
char **start,
off_t off,
int count,
int *eof,
void *data)
static int acpi_power_seq_show(struct seq_file *seq, void *offset)
{
struct acpi_power_resource *resource = NULL;
char *p = page;
int len;
ACPI_FUNCTION_TRACE("acpi_power_read_status");
ACPI_FUNCTION_TRACE("acpi_power_seq_show");
if (!data || (off != 0))
goto end;
resource = (struct acpi_power_resource *)seq->private;
resource = (struct acpi_power_resource *) data;
if (!resource)
goto end;
p += sprintf(p, "state: ");
seq_puts(seq, "state: ");
switch (resource->state) {
case ACPI_POWER_RESOURCE_STATE_ON:
p += sprintf(p, "on\n");
seq_puts(seq, "on\n");
break;
case ACPI_POWER_RESOURCE_STATE_OFF:
p += sprintf(p, "off\n");
seq_puts(seq, "off\n");
break;
default:
p += sprintf(p, "unknown\n");
seq_puts(seq, "unknown\n");
break;
}
p += sprintf(p, "system level: S%d\n",
resource->system_level);
p += sprintf(p, "order: %d\n",
resource->order);
p += sprintf(p, "reference count: %d\n",
resource->references);
seq_printf(seq, "system level: S%d\n"
"order: %d\n"
"reference count: %d\n",
resource->system_level,
resource->order,
resource->references);
end:
len = (p - page);
if (len <= off+count) *eof = 1;
*start = page + off;
len -= off;
if (len>count) len = count;
if (len<0) len = 0;
return_VALUE(len);
return 0;
}
static int acpi_power_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_power_seq_show, PDE(inode)->data);
}
static int
acpi_power_add_fs (
......@@ -458,7 +453,7 @@ acpi_power_add_fs (
"Unable to create '%s' fs entry\n",
ACPI_POWER_FILE_STATUS));
else {
entry->read_proc = acpi_power_read_status;
entry->proc_fops = &acpi_power_fops;
entry->data = acpi_driver_data(device);
}
......
drivers/acpi/processor.c
View file @ cce8ca33
This diff is collapsed.
drivers/acpi/sleep.c
View file @ cce8ca33
......@@ -15,6 +15,7 @@
#include <linux/pm.h>
#include <linux/device.h>
#include <linux/suspend.h>
#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include <asm/acpi.h>
......@@ -32,8 +33,25 @@ ACPI_MODULE_NAME ("sleep")
#define ACPI_SYSTEM_FILE_SLEEP "sleep"
#define ACPI_SYSTEM_FILE_ALARM "alarm"
static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file);
static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file);
static u8 sleep_states[ACPI_S_STATE_COUNT];
static struct file_operations acpi_system_sleep_fops = {
.open = acpi_system_sleep_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations acpi_system_alarm_fops = {
.open = acpi_system_alarm_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void
acpi_power_off (void)
{
......@@ -271,43 +289,26 @@ acpi_suspend (
return status;
}
static int
acpi_system_read_sleep (
char *page,
char **start,
off_t off,
int count,
int *eof,
void *data)
static int acpi_system_sleep_seq_show(struct seq_file *seq, void *offset)
{
char *p = page;
int size;
int i;
ACPI_FUNCTION_TRACE("acpi_system_read_sleep");
if (off != 0)
goto end;
ACPI_FUNCTION_TRACE("acpi_system_sleep_seq_show");
for (i = 0; i <= ACPI_STATE_S5; i++) {
if (sleep_states[i])
p += sprintf(p,"S%d ", i);
seq_printf(seq,"S%d ", i);
}
p += sprintf(p, "\n");
seq_puts(seq, "\n");
end:
size = (p - page);
if (size <= off+count) *eof = 1;
*start = page + off;
size -= off;
if (size>count) size = count;
if (size<0) size = 0;
return_VALUE(size);
return 0;
}
static int acpi_system_sleep_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_system_sleep_seq_show, PDE(inode)->data);
}
static int
acpi_system_write_sleep (
......@@ -349,25 +350,12 @@ acpi_system_write_sleep (
return_VALUE(count);
}
static int
acpi_system_read_alarm (
char *page,
char **start,
off_t off,
int count,
int *eof,
void *context)
static int acpi_system_alarm_seq_show(struct seq_file *seq, void *offset)
{
char *p = page;
int size = 0;
u32 sec, min, hr;
u32 day, mo, yr;
ACPI_FUNCTION_TRACE("acpi_system_read_alarm");
if (off != 0)
goto end;
ACPI_FUNCTION_TRACE("acpi_system_alarm_seq_show");
spin_lock(&rtc_lock);
......@@ -427,21 +415,19 @@ acpi_system_read_alarm (
yr += 2000;
#endif
p += sprintf(p,"%4.4u-", yr);
p += (mo > 12) ? sprintf(p, "**-") : sprintf(p, "%2.2u-", mo);
p += (day > 31) ? sprintf(p, "** ") : sprintf(p, "%2.2u ", day);
p += (hr > 23) ? sprintf(p, "**:") : sprintf(p, "%2.2u:", hr);
p += (min > 59) ? sprintf(p, "**:") : sprintf(p, "%2.2u:", min);
p += (sec > 59) ? sprintf(p, "**\n") : sprintf(p, "%2.2u\n", sec);
end:
size = p - page;
if (size < count) *eof = 1;
else if (size > count) size = count;
if (size < 0) size = 0;
*start = page;
return_VALUE(size);
seq_printf(seq,"%4.4u-", yr);
(mo > 12) ? seq_puts(seq, "**-") : seq_printf(seq, "%2.2u-", mo);
(day > 31) ? seq_puts(seq, "** ") : seq_printf(seq, "%2.2u ", day);
(hr > 23) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", hr);
(min > 59) ? seq_puts(seq, "**:") : seq_printf(seq, "%2.2u:", min);
(sec > 59) ? seq_puts(seq, "**\n") : seq_printf(seq, "%2.2u\n", sec);
return 0;
}
static int acpi_system_alarm_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, acpi_system_alarm_seq_show, PDE(inode)->data);
}
......@@ -687,7 +673,7 @@ static int __init acpi_sleep_init(void)
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_SLEEP));
else {
entry->read_proc = acpi_system_read_sleep;
entry->proc_fops = &acpi_system_sleep_fops;
entry->write_proc = acpi_system_write_sleep;
}
......@@ -699,7 +685,7 @@ static int __init acpi_sleep_init(void)
"Unable to create '%s' fs entry\n",
ACPI_SYSTEM_FILE_ALARM));
else {
entry->read_proc = acpi_system_read_alarm;
entry->proc_fops = &acpi_system_alarm_fops;
entry->write_proc = acpi_system_write_alarm;
}
......
drivers/acpi/thermal.c
View file @ cce8ca33
This diff is collapsed.
drivers/acpi/toshiba_acpi.c
View file @ cce8ca33
......@@ -41,6 +41,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/version.h>
#include <acconfig.h>
......@@ -100,6 +101,47 @@ MODULE_LICENSE("GPL");
#define HCI_VIDEO_OUT_CRT 0x2
#define HCI_VIDEO_OUT_TV 0x4
static int toshiba_lcd_open_fs(struct inode *inode, struct file *file);
static int toshiba_video_open_fs(struct inode *inode, struct file *file);
static int toshiba_fan_open_fs(struct inode *inode, struct file *file);
static int toshiba_keys_open_fs(struct inode *inode, struct file *file);
static int toshiba_version_open_fs(struct inode *inode, struct file *file);
static struct file_operations toshiba_lcd_fops = {
.open = toshiba_lcd_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations toshiba_video_fops = {
.open = toshiba_video_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations toshiba_fan_fops = {
.open = toshiba_fan_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations toshiba_keys_fops = {
.open = toshiba_keys_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct file_operations toshiba_version_fops = {
.open = toshiba_version_open_fs,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/* utility
*/
......@@ -126,22 +168,6 @@ snscanf(const char* str, int n, const char* format, ...)
return result;
}
/* This is the common code at the end of every proc read handler. I don't
* understand it yet.
*/
static int
end_proc_read(const char* p, char* page, off_t off, int count,
char** start, int* eof)
{
int len = (p - page);
if (len <= off+count) *eof = 1;
*start = page + off;
len -= off;
if (len>count) len = count;
if (len<0) len = 0;
return len;
}
/* acpi interface wrappers
*/
......@@ -259,29 +285,27 @@ static int key_event_valid;
/* proc file handlers
*/
static int
proc_read_lcd(char* page, char** start, off_t off, int count, int* eof,
void* context)
static int toshiba_lcd_seq_show(struct seq_file *seq, void *offset)
{
char* p = page;
u32 hci_result;
u32 value;
if (off != 0) goto end;
hci_read1(HCI_LCD_BRIGHTNESS, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
value = value >> HCI_LCD_BRIGHTNESS_SHIFT;
p += sprintf(p, "brightness: %d\n", value);
p += sprintf(p, "brightness_levels: %d\n",
HCI_LCD_BRIGHTNESS_LEVELS);
} else {
p += sprintf(p, "ERROR\n");
goto end;
}
seq_printf(seq, "brightness: %d\n"
"brightness_levels: %d\n",
value,
HCI_LCD_BRIGHTNESS_LEVELS);
} else
seq_puts(seq, "ERROR\n");
return 0;
}
end:
return end_proc_read(p, page, off, count, start, eof);
static int toshiba_lcd_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, toshiba_lcd_seq_show, NULL);
}
static int
......@@ -306,31 +330,31 @@ proc_write_lcd(struct file* file, const char* buffer, unsigned long count,
return count;
}
static int
proc_read_video(char* page, char** start, off_t off, int count, int* eof,
void* context)
static int toshiba_video_seq_show(struct seq_file *seq, void *offset)
{
char* p = page;
u32 hci_result;
u32 value;
if (off != 0) goto end;
hci_read1(HCI_VIDEO_OUT, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
int is_lcd = (value & HCI_VIDEO_OUT_LCD) ? 1 : 0;
int is_crt = (value & HCI_VIDEO_OUT_CRT) ? 1 : 0;
int is_tv = (value & HCI_VIDEO_OUT_TV ) ? 1 : 0;
p += sprintf(p, "lcd_out: %d\n", is_lcd);
p += sprintf(p, "crt_out: %d\n", is_crt);
p += sprintf(p, "tv_out: %d\n", is_tv);
} else {
p += sprintf(p, "ERROR\n");
goto end;
}
seq_printf(seq, "lcd_out: %d\n"
"crt_out: %d\n"
"tv_out: %d\n",
is_lcd,
is_crt,
is_tv);
} else
seq_puts(seq, "ERROR\n");
return 0;
}
end:
return end_proc_read(p, page, off, count, start, eof);
static int toshiba_video_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, toshiba_video_seq_show, NULL);
}
static int
......@@ -376,27 +400,26 @@ proc_write_video(struct file* file, const char* buffer, unsigned long count,
return count;
}
static int
proc_read_fan(char* page, char** start, off_t off, int count, int* eof,
void* context)
static int toshiba_fan_seq_show(struct seq_file *seq, void *offset)
{
char* p = page;
u32 hci_result;
u32 value;
if (off != 0) goto end;
hci_read1(HCI_FAN, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
p += sprintf(p, "running: %d\n", (value > 0));
p += sprintf(p, "force_on: %d\n", force_fan);
} else {
p += sprintf(p, "ERROR\n");
goto end;
}
seq_printf(seq, "running: %d\n"
"force_on: %d\n",
(value > 0),
force_fan);
} else
seq_puts(seq, "ERROR\n");
return 0;
}
end:
return end_proc_read(p, page, off, count, start, eof);
static int toshiba_fan_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, toshiba_fan_seq_show, NULL);
}
static int
......@@ -420,16 +443,11 @@ proc_write_fan(struct file* file, const char* buffer, unsigned long count,
return count;
}
static int
proc_read_keys(char* page, char** start, off_t off, int count, int* eof,
void* context)
static int toshiba_keys_seq_show(struct seq_file *seq, void *offset)
{
char* p = page;
u32 hci_result;
u32 value;
if (off != 0) goto end;
if (!key_event_valid) {
hci_read1(HCI_SYSTEM_EVENT, &value, &hci_result);
if (hci_result == HCI_SUCCESS) {
......@@ -438,16 +456,23 @@ proc_read_keys(char* page, char** start, off_t off, int count, int* eof,
} else if (hci_result == HCI_EMPTY) {
/* better luck next time */
} else {
p += sprintf(p, "ERROR\n");
seq_puts(seq, "ERROR\n");
goto end;
}
}
p += sprintf(p, "hotkey_ready: %d\n", key_event_valid);
p += sprintf(p, "hotkey: 0x%04x\n", last_key_event);
seq_printf(seq, "hotkey_ready: %d\n"
"hotkey: 0x%04x\n",
key_event_valid,
last_key_event);
end:
return end_proc_read(p, page, off, count, start, eof);
return 0;
}
static int toshiba_keys_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, toshiba_keys_seq_show, NULL);
}
static int
......@@ -466,20 +491,19 @@ proc_write_keys(struct file* file, const char* buffer, unsigned long count,
return count;
}
static int
proc_read_version(char* page, char** start, off_t off, int count, int* eof,
void* context)
static int toshiba_version_seq_show(struct seq_file *seq, void *offset)
{
char* p = page;
if (off != 0) goto end;
seq_printf(seq, "driver: %s\n"
"proc_interface: %d\n",
TOSHIBA_ACPI_VERSION,
PROC_INTERFACE_VERSION);
p += sprintf(p, "driver: %s\n", TOSHIBA_ACPI_VERSION);
p += sprintf(p, "proc_interface: %d\n",
PROC_INTERFACE_VERSION);
return 0;
}
end:
return end_proc_read(p, page, off, count, start, eof);
static int toshiba_version_open_fs(struct inode *inode, struct file *file)
{
return single_open(file, toshiba_version_seq_show, NULL);
}
/* proc and module init
......@@ -490,24 +514,38 @@ add_device(void)
{
struct proc_dir_entry* proc;
proc = create_proc_read_entry(PROC_LCD, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir, proc_read_lcd, 0);
if (proc) proc->write_proc = proc_write_lcd;
proc = create_proc_entry(PROC_LCD, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir);
if (proc) {
proc->proc_fops = &toshiba_lcd_fops;
proc->write_proc = proc_write_lcd;
}
proc = create_proc_read_entry(PROC_VIDEO, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir, proc_read_video, 0);
if (proc) proc->write_proc = proc_write_video;
proc = create_proc_entry(PROC_VIDEO, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir);
if (proc) {
proc->proc_fops = &toshiba_video_fops;
proc->write_proc = proc_write_video;
}
proc = create_proc_read_entry(PROC_FAN, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir, proc_read_fan, 0);
if (proc) proc->write_proc = proc_write_fan;
proc = create_proc_entry(PROC_FAN, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir);
if (proc) {
proc->proc_fops = &toshiba_fan_fops;
proc->write_proc = proc_write_fan;
}
proc = create_proc_read_entry(PROC_KEYS, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir, proc_read_keys, 0);
if (proc) proc->write_proc = proc_write_keys;
proc = create_proc_entry(PROC_KEYS, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir);
if (proc) {
proc->proc_fops = &toshiba_keys_fops;
proc->write_proc = proc_write_keys;
}
proc = create_proc_read_entry(PROC_VERSION, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir, proc_read_version, 0);
proc = create_proc_entry(PROC_VERSION, S_IFREG | S_IRUGO | S_IWUSR,
toshiba_proc_dir);
if (proc)
proc->proc_fops = &toshiba_version_fops;
return(AE_OK);
}
......
drivers/acpi/utilities/utcopy.c
View file @ cce8ca33
/******************************************************************************
*
* Module Name: utcopy - Internal to external object translation utilities
* $Revision: 105 $
* $Revision: 106 $
*
*****************************************************************************/
......@@ -419,7 +419,8 @@ acpi_ut_copy_esimple_to_isimple (
case ACPI_TYPE_STRING:
internal_object->string.pointer = ACPI_MEM_CALLOCATE ((ACPI_SIZE) external_object->string.length + 1);
internal_object->string.pointer =
ACPI_MEM_CALLOCATE ((ACPI_SIZE) external_object->string.length + 1);
if (!internal_object->string.pointer) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
......@@ -434,7 +435,8 @@ acpi_ut_copy_esimple_to_isimple (
case ACPI_TYPE_BUFFER:
internal_object->buffer.pointer = ACPI_MEM_CALLOCATE (external_object->buffer.length);
internal_object->buffer.pointer =
ACPI_MEM_CALLOCATE (external_object->buffer.length);
if (!internal_object->buffer.pointer) {
return_ACPI_STATUS (AE_NO_MEMORY);
}
......@@ -471,10 +473,10 @@ acpi_ut_copy_esimple_to_isimple (
* FUNCTION: Acpi_ut_copy_epackage_to_ipackage
*
* PARAMETERS: *Internal_object - Pointer to the object we are returning
* *Buffer - Where the object is returned
* *Space_used - Where the length of the object is returned
* *Buffer - Where the object is returned
* *Space_used - Where the length of the object is returned
*
* RETURN: Status - the status of the call
* RETURN: Status
*
* DESCRIPTION: This function is called to place a package object in a user
* buffer. A package object by definition contains other objects.
......@@ -607,7 +609,8 @@ acpi_ut_copy_simple_object (
/* Copy the entire source object over the destination object*/
ACPI_MEMCPY ((char *) dest_desc, (char *) source_desc, sizeof (acpi_operand_object));
ACPI_MEMCPY ((char *) dest_desc, (char *) source_desc,
sizeof (acpi_operand_object));
/* Restore the saved fields */
......@@ -687,26 +690,36 @@ acpi_ut_copy_ielement_to_ielement (
&state->pkg.dest_object->package.elements[this_index];
switch (object_type) {
case 0:
case ACPI_COPY_TYPE_SIMPLE:
/*
* This is a simple object, just copy it
*/
target_object = acpi_ut_create_internal_object (ACPI_GET_OBJECT_TYPE (source_object));
if (!target_object) {
return (AE_NO_MEMORY);
}
/* A null source object indicates a (legal) null package element */
status = acpi_ut_copy_simple_object (source_object, target_object);
if (ACPI_FAILURE (status)) {
return (status);
if (source_object) {
/*
* This is a simple object, just copy it
*/
target_object = acpi_ut_create_internal_object (
ACPI_GET_OBJECT_TYPE (source_object));
if (!target_object) {
return (AE_NO_MEMORY);
}
status = acpi_ut_copy_simple_object (source_object, target_object);
if (ACPI_FAILURE (status)) {
return (status);
}
*this_target_ptr = target_object;
}
else {
/* Pass through a null element */
*this_target_ptr = target_object;
*this_target_ptr = NULL;
}
break;
case 1:
case ACPI_COPY_TYPE_PACKAGE:
/*
* This object is a package - go down another nesting level
......@@ -720,6 +733,17 @@ acpi_ut_copy_ielement_to_ielement (
target_object->package.count = source_object->package.count;
target_object->common.flags = source_object->common.flags;
/*
* Create the object array
*/
target_object->package.elements =
ACPI_MEM_CALLOCATE (((ACPI_SIZE) source_object->package.count + 1) *
sizeof (void *));
if (!target_object->package.elements) {
ACPI_MEM_FREE (target_object);
return (AE_NO_MEMORY);
}
/*
* Pass the new package object back to the package walk routine
*/
......
drivers/acpi/utilities/utmisc.c
View file @ cce8ca33
/*******************************************************************************
*
* Module Name: utmisc - common utility procedures
* $Revision: 86 $
* $Revision: 87 $
*
******************************************************************************/
......@@ -475,7 +475,6 @@ acpi_ut_strupr (
string++;
}
return (src_string);
}
......@@ -575,7 +574,6 @@ acpi_ut_create_mutex (
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
if (!acpi_gbl_acpi_mutex_info[mutex_id].mutex) {
status = acpi_os_create_semaphore (1, 1,
&acpi_gbl_acpi_mutex_info[mutex_id].mutex);
......@@ -613,7 +611,6 @@ acpi_ut_delete_mutex (
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
status = acpi_os_delete_semaphore (acpi_gbl_acpi_mutex_info[mutex_id].mutex);
acpi_gbl_acpi_mutex_info[mutex_id].mutex = NULL;
......@@ -651,7 +648,6 @@ acpi_ut_acquire_mutex (
return (AE_BAD_PARAMETER);
}
this_thread_id = acpi_os_get_thread_id ();
/*
......@@ -679,7 +675,6 @@ acpi_ut_acquire_mutex (
}
}
ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
"Thread %X attempting to acquire Mutex [%s]\n",
this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
......@@ -693,7 +688,6 @@ acpi_ut_acquire_mutex (
acpi_gbl_acpi_mutex_info[mutex_id].use_count++;
acpi_gbl_acpi_mutex_info[mutex_id].owner_id = this_thread_id;
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Thread %X could not acquire Mutex [%s] %s\n",
this_thread_id, acpi_ut_get_mutex_name (mutex_id),
......@@ -737,7 +731,6 @@ acpi_ut_release_mutex (
return (AE_BAD_PARAMETER);
}
/*
* Mutex must be acquired in order to release it!
*/
......@@ -749,7 +742,6 @@ acpi_ut_release_mutex (
return (AE_NOT_ACQUIRED);
}
/*
* Deadlock prevention. Check if this thread owns any mutexes of value
* greater than this one. If so, the thread has violated the mutex
......@@ -770,7 +762,6 @@ acpi_ut_release_mutex (
}
}
/* Mark unlocked FIRST */
acpi_gbl_acpi_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
......@@ -828,7 +819,6 @@ acpi_ut_create_update_state_and_push (
return (AE_NO_MEMORY);
}
acpi_ut_push_generic_state (state_list, state);
return (AE_OK);
}
......@@ -866,7 +856,6 @@ acpi_ut_create_pkg_state_and_push (
return (AE_NO_MEMORY);
}
acpi_ut_push_generic_state (state_list, state);
return (AE_OK);
}
......@@ -1129,7 +1118,6 @@ acpi_ut_create_control_state (
return_PTR (NULL);
}
/* Init fields specific to the control struct */
state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
......@@ -1224,6 +1212,8 @@ acpi_ut_walk_package_tree (
}
while (state) {
/* Get one element of the package */
this_index = state->pkg.index;
this_source_obj = (acpi_operand_object *)
state->pkg.source_object->package.elements[this_index];
......@@ -1324,6 +1314,7 @@ acpi_ut_generate_checksum (
u32 i;
signed char sum = 0;
for (i = 0; i < length; i++) {
sum = (signed char) (sum + buffer[i]);
}
......
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