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-rw-r--r--drivers/acpi/ac.c46
-rw-r--r--drivers/acpi/battery.c5
-rw-r--r--drivers/acpi/ec.c3
-rw-r--r--drivers/acpi/osl.c111
-rw-r--r--drivers/acpi/power.c12
5 files changed, 119 insertions, 58 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index ba9afeaa23ac..25d3aaebc10d 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -100,24 +100,7 @@ static const struct file_operations acpi_ac_fops = {
.release = single_release,
};
#endif
-static int get_ac_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
-{
- struct acpi_ac *ac = to_acpi_ac(psy);
- switch (psp) {
- case POWER_SUPPLY_PROP_ONLINE:
- val->intval = ac->state;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-static enum power_supply_property ac_props[] = {
- POWER_SUPPLY_PROP_ONLINE,
-};
/* --------------------------------------------------------------------------
AC Adapter Management
-------------------------------------------------------------------------- */
@@ -140,6 +123,35 @@ static int acpi_ac_get_state(struct acpi_ac *ac)
return 0;
}
+/* --------------------------------------------------------------------------
+ sysfs I/F
+ -------------------------------------------------------------------------- */
+static int get_ac_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct acpi_ac *ac = to_acpi_ac(psy);
+
+ if (!ac)
+ return -ENODEV;
+
+ if (acpi_ac_get_state(ac))
+ return -ENODEV;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ val->intval = ac->state;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static enum power_supply_property ac_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
#ifdef CONFIG_ACPI_PROCFS_POWER
/* --------------------------------------------------------------------------
FS Interface (/proc)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 95649d373071..9fb9d5ac939d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -130,6 +130,8 @@ struct acpi_battery {
unsigned long flags;
};
+static int acpi_battery_update(struct acpi_battery *battery);
+
#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
inline int acpi_battery_present(struct acpi_battery *battery)
@@ -184,6 +186,9 @@ static int acpi_battery_get_property(struct power_supply *psy,
int ret = 0;
struct acpi_battery *battery = to_acpi_battery(psy);
+ if (acpi_battery_update(battery))
+ return -ENODEV;
+
if (acpi_battery_present(battery)) {
/* run battery update only if it is present */
acpi_battery_get_state(battery);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 372ff80b7b0c..302b31ed31f1 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -934,6 +934,9 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
ec_flag_msi, "MSI hardware", {
DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
{
+ ec_flag_msi, "MSI hardware", {
+ DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-STAR")}, NULL},
+ {
ec_validate_ecdt, "ASUS hardware", {
DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},
{},
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f7227e990b0f..055d7b701fff 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -110,9 +110,6 @@ struct acpi_ioremap {
static LIST_HEAD(acpi_ioremaps);
static DEFINE_SPINLOCK(acpi_ioremap_lock);
-#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
-static char osi_setup_string[OSI_STRING_LENGTH_MAX];
-
static void __init acpi_osi_setup_late(void);
/*
@@ -152,8 +149,7 @@ static struct osi_linux {
unsigned int enable:1;
unsigned int dmi:1;
unsigned int cmdline:1;
- unsigned int known:1;
-} osi_linux = { 0, 0, 0, 0};
+} osi_linux = {0, 0, 0};
static u32 acpi_osi_handler(acpi_string interface, u32 supported)
{
@@ -1055,13 +1051,53 @@ static int __init acpi_os_name_setup(char *str)
__setup("acpi_os_name=", acpi_os_name_setup);
+#define OSI_STRING_LENGTH_MAX 64 /* arbitrary */
+#define OSI_STRING_ENTRIES_MAX 16 /* arbitrary */
+
+struct osi_setup_entry {
+ char string[OSI_STRING_LENGTH_MAX];
+ bool enable;
+};
+
+static struct osi_setup_entry __initdata osi_setup_entries[OSI_STRING_ENTRIES_MAX];
+
+void __init acpi_osi_setup(char *str)
+{
+ struct osi_setup_entry *osi;
+ bool enable = true;
+ int i;
+
+ if (!acpi_gbl_create_osi_method)
+ return;
+
+ if (str == NULL || *str == '\0') {
+ printk(KERN_INFO PREFIX "_OSI method disabled\n");
+ acpi_gbl_create_osi_method = FALSE;
+ return;
+ }
+
+ if (*str == '!') {
+ str++;
+ enable = false;
+ }
+
+ for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
+ osi = &osi_setup_entries[i];
+ if (!strcmp(osi->string, str)) {
+ osi->enable = enable;
+ break;
+ } else if (osi->string[0] == '\0') {
+ osi->enable = enable;
+ strncpy(osi->string, str, OSI_STRING_LENGTH_MAX);
+ break;
+ }
+ }
+}
+
static void __init set_osi_linux(unsigned int enable)
{
- if (osi_linux.enable != enable) {
+ if (osi_linux.enable != enable)
osi_linux.enable = enable;
- printk(KERN_NOTICE PREFIX "%sed _OSI(Linux)\n",
- enable ? "Add": "Delet");
- }
if (osi_linux.enable)
acpi_osi_setup("Linux");
@@ -1073,7 +1109,8 @@ static void __init set_osi_linux(unsigned int enable)
static void __init acpi_cmdline_osi_linux(unsigned int enable)
{
- osi_linux.cmdline = 1; /* cmdline set the default */
+ osi_linux.cmdline = 1; /* cmdline set the default and override DMI */
+ osi_linux.dmi = 0;
set_osi_linux(enable);
return;
@@ -1081,15 +1118,12 @@ static void __init acpi_cmdline_osi_linux(unsigned int enable)
void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
{
- osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */
-
printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
if (enable == -1)
return;
- osi_linux.known = 1; /* DMI knows which OSI(Linux) default needed */
-
+ osi_linux.dmi = 1; /* DMI knows that this box asks OSI(Linux) */
set_osi_linux(enable);
return;
@@ -1104,37 +1138,44 @@ void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
*/
static void __init acpi_osi_setup_late(void)
{
- char *str = osi_setup_string;
+ struct osi_setup_entry *osi;
+ char *str;
+ int i;
+ acpi_status status;
- if (*str == '\0')
- return;
+ for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
+ osi = &osi_setup_entries[i];
+ str = osi->string;
- if (!strcmp("!Linux", str)) {
- acpi_cmdline_osi_linux(0); /* !enable */
- } else if (*str == '!') {
- if (acpi_remove_interface(++str) == AE_OK)
- printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
- } else if (!strcmp("Linux", str)) {
- acpi_cmdline_osi_linux(1); /* enable */
- } else {
- if (acpi_install_interface(str) == AE_OK)
- printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
+ if (*str == '\0')
+ break;
+ if (osi->enable) {
+ status = acpi_install_interface(str);
+
+ if (ACPI_SUCCESS(status))
+ printk(KERN_INFO PREFIX "Added _OSI(%s)\n", str);
+ } else {
+ status = acpi_remove_interface(str);
+
+ if (ACPI_SUCCESS(status))
+ printk(KERN_INFO PREFIX "Deleted _OSI(%s)\n", str);
+ }
}
}
-int __init acpi_osi_setup(char *str)
+static int __init osi_setup(char *str)
{
- if (str == NULL || *str == '\0') {
- printk(KERN_INFO PREFIX "_OSI method disabled\n");
- acpi_gbl_create_osi_method = FALSE;
- } else {
- strncpy(osi_setup_string, str, OSI_STRING_LENGTH_MAX);
- }
+ if (str && !strcmp("Linux", str))
+ acpi_cmdline_osi_linux(1);
+ else if (str && !strcmp("!Linux", str))
+ acpi_cmdline_osi_linux(0);
+ else
+ acpi_osi_setup(str);
return 1;
}
-__setup("acpi_osi=", acpi_osi_setup);
+__setup("acpi_osi=", osi_setup);
/* enable serialization to combat AE_ALREADY_EXISTS errors */
static int __init acpi_serialize_setup(char *str)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 67dedeed144c..4c9c2fb5d98f 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -213,11 +213,13 @@ static int acpi_power_on(acpi_handle handle)
resource->name));
} else {
result = __acpi_power_on(resource);
+ if (result)
+ resource->ref_count--;
}
mutex_unlock(&resource->resource_lock);
- return 0;
+ return result;
}
static int acpi_power_off_device(acpi_handle handle)
@@ -465,10 +467,12 @@ int acpi_power_transition(struct acpi_device *device, int state)
struct acpi_handle_list *tl = NULL; /* Target Resources */
int i = 0;
-
if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3))
return -EINVAL;
+ if (device->power.state == state)
+ return 0;
+
if ((device->power.state < ACPI_STATE_D0)
|| (device->power.state > ACPI_STATE_D3))
return -ENODEV;
@@ -488,10 +492,6 @@ int acpi_power_transition(struct acpi_device *device, int state)
goto end;
}
- if (device->power.state == state) {
- goto end;
- }
-
/*
* Then we dereference all power resources used in the current list.
*/
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-09 01:19:50 +0000