unsigned int ecx;
} states[ACPI_PROCESSOR_MAX_POWER];
};
-static struct cstate_entry *cpu_cstate_entry; /* per CPU ptr */
+static struct cstate_entry __percpu *cpu_cstate_entry; /* per CPU ptr */
static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
Be aware that using this interface can confuse your Embedded
Controller in a way that a normal reboot is not enough. You then
- have to power of your system, and remove the laptop battery for
+ have to power off your system, and remove the laptop battery for
some seconds.
An Embedded Controller typically is available on laptops and reads
sensor values like battery state and temperature.
device_remove_file(&device->dev, &dev_attr_rrtime);
}
-/* Query firmware how many CPUs should be idle */
-static int acpi_pad_pur(acpi_handle handle, int *num_cpus)
+/*
+ * Query firmware how many CPUs should be idle
+ * return -1 on failure
+ */
+static int acpi_pad_pur(acpi_handle handle)
{
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
union acpi_object *package;
- int rev, num, ret = -EINVAL;
+ int num = -1;
if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PUR", NULL, &buffer)))
- return -EINVAL;
+ return num;
if (!buffer.length || !buffer.pointer)
- return -EINVAL;
+ return num;
package = buffer.pointer;
- if (package->type != ACPI_TYPE_PACKAGE || package->package.count != 2)
- goto out;
- rev = package->package.elements[0].integer.value;
- num = package->package.elements[1].integer.value;
- if (rev != 1 || num < 0)
- goto out;
- *num_cpus = num;
- ret = 0;
-out:
+
+ if (package->type == ACPI_TYPE_PACKAGE &&
+ package->package.count == 2 &&
+ package->package.elements[0].integer.value == 1) /* rev 1 */
+
+ num = package->package.elements[1].integer.value;
+
kfree(buffer.pointer);
- return ret;
+ return num;
}
/* Notify firmware how many CPUs are idle */
uint32_t idle_cpus;
mutex_lock(&isolated_cpus_lock);
- if (acpi_pad_pur(handle, &num_cpus)) {
+ num_cpus = acpi_pad_pur(handle);
+ if (num_cpus < 0) {
mutex_unlock(&isolated_cpus_lock);
return;
}
ACPI_BITMASK_POWER_BUTTON_STATUS | \
ACPI_BITMASK_SLEEP_BUTTON_STATUS | \
ACPI_BITMASK_RT_CLOCK_STATUS | \
+ ACPI_BITMASK_PCIEXP_WAKE_DISABLE | \
ACPI_BITMASK_WAKE_STATUS)
#define ACPI_BITMASK_TIMER_ENABLE 0x0001
*
* DESCRIPTION: Reacquire the interpreter execution region from within the
* interpreter code. Failure to enter the interpreter region is a
- * fatal system error. Used in conjuction with
+ * fatal system error. Used in conjunction with
* relinquish_interpreter
*
******************************************************************************/
/*
* 16-, 32-, and 64-bit cases must use the move macros that perform
- * endian conversion and/or accomodate hardware that cannot perform
+ * endian conversion and/or accommodate hardware that cannot perform
* misaligned memory transfers
*/
case ACPI_RSC_MOVE16:
depends on ACPI_APEI
help
ERST is a way provided by APEI to save and retrieve hardware
- error infomation to and from a persistent store. Enable this
+ error information to and from a persistent store. Enable this
if you want to debugging and testing the ERST kernel support
and firmware implementation.
int apei_resources_request(struct apei_resources *resources,
const char *desc)
{
- struct apei_res *res, *res_bak;
+ struct apei_res *res, *res_bak = NULL;
struct resource *r;
+ int rc;
- apei_resources_sub(resources, &apei_resources_all);
+ rc = apei_resources_sub(resources, &apei_resources_all);
+ if (rc)
+ return rc;
+ rc = -EINVAL;
list_for_each_entry(res, &resources->iomem, list) {
r = request_mem_region(res->start, res->end - res->start,
desc);
}
}
- apei_resources_merge(&apei_resources_all, resources);
+ rc = apei_resources_merge(&apei_resources_all, resources);
+ if (rc) {
+ pr_err(APEI_PFX "Fail to merge resources!\n");
+ goto err_unmap_ioport;
+ }
return 0;
err_unmap_ioport:
break;
release_mem_region(res->start, res->end - res->start);
}
- return -EINVAL;
+ return rc;
}
EXPORT_SYMBOL_GPL(apei_resources_request);
void apei_resources_release(struct apei_resources *resources)
{
+ int rc;
struct apei_res *res;
list_for_each_entry(res, &resources->iomem, list)
list_for_each_entry(res, &resources->ioport, list)
release_region(res->start, res->end - res->start);
- apei_resources_sub(&apei_resources_all, resources);
+ rc = apei_resources_sub(&apei_resources_all, resources);
+ if (rc)
+ pr_err(APEI_PFX "Fail to sub resources!\n");
}
EXPORT_SYMBOL_GPL(apei_resources_release);
static int einj_check_table(struct acpi_table_einj *einj_tab)
{
- if (einj_tab->header_length != sizeof(struct acpi_table_einj))
+ if ((einj_tab->header_length !=
+ (sizeof(struct acpi_table_einj) - sizeof(einj_tab->header)))
+ && (einj_tab->header_length != sizeof(struct acpi_table_einj)))
return -EINVAL;
if (einj_tab->header.length < sizeof(struct acpi_table_einj))
return -EINVAL;
* APEI Error Record Serialization Table debug support
*
* ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store. This file provide the
+ * information to and from a persistent store. This file provide the
* debugging/testing support for ERST kernel support and firmware
* implementation.
*
goto out;
}
if (len > erst_dbg_buf_len) {
- kfree(erst_dbg_buf);
+ void *p;
rc = -ENOMEM;
- erst_dbg_buf = kmalloc(len, GFP_KERNEL);
- if (!erst_dbg_buf)
+ p = kmalloc(len, GFP_KERNEL);
+ if (!p)
goto out;
+ kfree(erst_dbg_buf);
+ erst_dbg_buf = p;
erst_dbg_buf_len = len;
goto retry;
}
if (mutex_lock_interruptible(&erst_dbg_mutex))
return -EINTR;
if (usize > erst_dbg_buf_len) {
- kfree(erst_dbg_buf);
+ void *p;
rc = -ENOMEM;
- erst_dbg_buf = kmalloc(usize, GFP_KERNEL);
- if (!erst_dbg_buf)
+ p = kmalloc(usize, GFP_KERNEL);
+ if (!p)
goto out;
+ kfree(erst_dbg_buf);
+ erst_dbg_buf = p;
erst_dbg_buf_len = usize;
}
rc = copy_from_user(erst_dbg_buf, ubuf, usize);
* APEI Error Record Serialization Table support
*
* ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store.
+ * information to and from a persistent store.
*
* For more information about ERST, please refer to ACPI Specification
* version 4.0, section 17.4.
{
int rc;
u64 offset;
+ void *src, *dst;
+
+ /* ioremap does not work in interrupt context */
+ if (in_interrupt()) {
+ pr_warning(ERST_PFX
+ "MOVE_DATA can not be used in interrupt context");
+ return -EBUSY;
+ }
rc = __apei_exec_read_register(entry, &offset);
if (rc)
return rc;
- memmove((void *)ctx->dst_base + offset,
- (void *)ctx->src_base + offset,
- ctx->var2);
+
+ src = ioremap(ctx->src_base + offset, ctx->var2);
+ if (!src)
+ return -ENOMEM;
+ dst = ioremap(ctx->dst_base + offset, ctx->var2);
+ if (!dst)
+ return -ENOMEM;
+
+ memmove(dst, src, ctx->var2);
+
+ iounmap(src);
+ iounmap(dst);
return 0;
}
static int erst_check_table(struct acpi_table_erst *erst_tab)
{
- if (erst_tab->header_length != sizeof(struct acpi_table_erst))
+ if ((erst_tab->header_length !=
+ (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header)))
+ && (erst_tab->header_length != sizeof(struct acpi_table_einj)))
return -EINVAL;
if (erst_tab->header.length < sizeof(struct acpi_table_erst))
return -EINVAL;
struct ghes *ghes = NULL;
int rc = -EINVAL;
- generic = ghes_dev->dev.platform_data;
+ generic = *(struct acpi_hest_generic **)ghes_dev->dev.platform_data;
if (!generic->enabled)
return -ENODEV;
static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
{
- struct acpi_hest_generic *generic;
struct platform_device *ghes_dev;
struct ghes_arr *ghes_arr = data;
int rc;
if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
return 0;
- generic = (struct acpi_hest_generic *)hest_hdr;
- if (!generic->enabled)
+
+ if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
return 0;
ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
if (!ghes_dev)
return -ENOMEM;
- ghes_dev->dev.platform_data = generic;
+
+ rc = platform_device_add_data(ghes_dev, &hest_hdr, sizeof(void *));
+ if (rc)
+ goto err;
+
rc = platform_device_add(ghes_dev);
if (rc)
goto err;
list_add_tail_rcu(&map->list, &acpi_iomaps);
spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
- return vaddr + (paddr - pg_off);
+ return map->vaddr + (paddr - map->paddr);
err_unmap:
iounmap(vaddr);
return NULL;
POWER_SUPPLY_PROP_CYCLE_COUNT,
POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_POWER_NOW,
POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
POWER_SUPPLY_PROP_ENERGY_FULL,
{
printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
acpi_osi_setup("!Windows 2006");
+ acpi_osi_setup("!Windows 2006 SP1");
+ acpi_osi_setup("!Windows 2006 SP2");
return 0;
}
static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
},
},
{
+ .callback = dmi_disable_osi_vista,
+ .ident = "Toshiba Satellite L355",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
+ },
+ },
+ {
.callback = dmi_disable_osi_win7,
.ident = "ASUS K50IJ",
.matches = {
DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
},
},
+ {
+ .callback = dmi_disable_osi_vista,
+ .ident = "Toshiba P305D",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
+ },
+ },
/*
* BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
static int set_power_nocheck(const struct dmi_system_id *id)
{
printk(KERN_NOTICE PREFIX "%s detected - "
- "disable power check in power transistion\n", id->ident);
+ "disable power check in power transition\n", id->ident);
acpi_power_nocheck = 1;
return 0;
}
/*
* If the laptop falls into the DMI check table, the power state check
- * will be disabled in the course of device power transistion.
+ * will be disabled in the course of device power transition.
*/
dmi_check_system(power_nocheck_dmi_table);
acpi_bus_unregister_driver(&acpi_fan_driver);
+#ifdef CONFIG_ACPI_PROCFS
remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
+#endif
return;
}
}
static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
- {
- set_no_mwait, "IFL91 board", {
- DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
- DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
- DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
- DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
{
set_no_mwait, "Extensa 5220", {
DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
if (!try_module_get(calling_module))
return -EINVAL;
- /* is_done is set to negative if an error occured,
- * and to postitive if _no_ error occured, but SMM
+ /* is_done is set to negative if an error occurred,
+ * and to postitive if _no_ error occurred, but SMM
* was already notified. This avoids double notification
* which might lead to unexpected results...
*/
return 0;
}
+static int __init init_nvs_nosave(const struct dmi_system_id *d)
+{
+ acpi_nvs_nosave();
+ return 0;
+}
+
static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
{
.callback = init_old_suspend_ordering,
DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
},
},
+ {
+ .callback = init_nvs_nosave,
+ .ident = "Sony Vaio VGN-SR11M",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"),
+ },
+ },
+ {
+ .callback = init_nvs_nosave,
+ .ident = "Everex StepNote Series",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
+ },
+ },
{},
};
#endif /* CONFIG_SUSPEND */
ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
};
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
+static int param_get_debug_layer(char *buffer, const struct kernel_param *kp)
{
int result = 0;
int i;
return result;
}
-static int param_get_debug_level(char *buffer, struct kernel_param *kp)
+static int param_get_debug_level(char *buffer, const struct kernel_param *kp)
{
int result = 0;
int i;
return result;
}
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer,
- &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level,
- &acpi_dbg_level, 0644);
+static struct kernel_param_ops param_ops_debug_layer = {
+ .set = param_set_uint,
+ .get = param_get_debug_layer,
+};
+
+static struct kernel_param_ops param_ops_debug_level = {
+ .set = param_set_uint,
+ .get = param_get_debug_level,
+};
+
+module_param_cb(debug_layer, ¶m_ops_debug_layer, &acpi_dbg_layer, 0644);
+module_param_cb(debug_level, ¶m_ops_debug_level, &acpi_dbg_level, 0644);
static char trace_method_name[6];
module_param_string(trace_method_name, trace_method_name, 6, 0644);
"support\n"));
*cap |= ACPI_VIDEO_BACKLIGHT;
if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy)))
- printk(KERN_WARNING FW_BUG PREFIX "ACPI brightness "
- "control misses _BQC function\n");
+ printk(KERN_WARNING FW_BUG PREFIX "No _BQC method, "
+ "cannot determine initial brightness\n");
/* We have backlight support, no need to scan further */
return AE_CTRL_TERMINATE;
}
extern u8 acpi_gbl_permanent_mmap;
/*
- * Globals that are publically available, allowing for
+ * Globals that are publicly available, allowing for
* run time configuration
*/
extern u32 acpi_dbg_level;