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-rw-r--r--drivers/acpi/ac.c32
-rw-r--r--drivers/acpi/acpi_lpss.c5
-rw-r--r--drivers/acpi/acpi_pad.c29
-rw-r--r--drivers/acpi/battery.c54
-rw-r--r--drivers/acpi/pci_irq.c9
-rw-r--r--drivers/acpi/pci_root.c19
-rw-r--r--drivers/acpi/processor_idle.c22
-rw-r--r--drivers/acpi/resource.c4
-rw-r--r--drivers/acpi/sbs.c68
-rw-r--r--drivers/acpi/video.c20
10 files changed, 144 insertions, 118 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 36b0e61f9c09..bbcc2b5a70d4 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -95,13 +95,14 @@ static struct acpi_driver acpi_ac_driver = {
};
struct acpi_ac {
- struct power_supply charger;
+ struct power_supply *charger;
+ struct power_supply_desc charger_desc;
struct acpi_device * device;
unsigned long long state;
struct notifier_block battery_nb;
};
-#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
+#define to_acpi_ac(x) power_supply_get_drvdata(x)
#ifdef CONFIG_ACPI_PROCFS_POWER
static const struct file_operations acpi_ac_fops = {
@@ -275,7 +276,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
dev_name(&device->dev), event,
(u32) ac->state);
acpi_notifier_call_chain(device, event, (u32) ac->state);
- kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+ kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
}
return;
@@ -321,6 +322,7 @@ static struct dmi_system_id ac_dmi_table[] = {
static int acpi_ac_add(struct acpi_device *device)
{
+ struct power_supply_config psy_cfg = {};
int result = 0;
struct acpi_ac *ac = NULL;
@@ -341,19 +343,24 @@ static int acpi_ac_add(struct acpi_device *device)
if (result)
goto end;
- ac->charger.name = acpi_device_bid(device);
+ psy_cfg.drv_data = ac;
+
+ ac->charger_desc.name = acpi_device_bid(device);
#ifdef CONFIG_ACPI_PROCFS_POWER
result = acpi_ac_add_fs(ac);
if (result)
goto end;
#endif
- ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
- ac->charger.properties = ac_props;
- ac->charger.num_properties = ARRAY_SIZE(ac_props);
- ac->charger.get_property = get_ac_property;
- result = power_supply_register(&ac->device->dev, &ac->charger);
- if (result)
+ ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS;
+ ac->charger_desc.properties = ac_props;
+ ac->charger_desc.num_properties = ARRAY_SIZE(ac_props);
+ ac->charger_desc.get_property = get_ac_property;
+ ac->charger = power_supply_register(&ac->device->dev,
+ &ac->charger_desc, &psy_cfg);
+ if (IS_ERR(ac->charger)) {
+ result = PTR_ERR(ac->charger);
goto end;
+ }
printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
acpi_device_name(device), acpi_device_bid(device),
@@ -390,7 +397,7 @@ static int acpi_ac_resume(struct device *dev)
if (acpi_ac_get_state(ac))
return 0;
if (old_state != ac->state)
- kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
+ kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE);
return 0;
}
#else
@@ -407,8 +414,7 @@ static int acpi_ac_remove(struct acpi_device *device)
ac = acpi_driver_data(device);
- if (ac->charger.dev)
- power_supply_unregister(&ac->charger);
+ power_supply_unregister(ac->charger);
unregister_acpi_notifier(&ac->battery_nb);
#ifdef CONFIG_ACPI_PROCFS_POWER
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 657964e8ab7e..37fb19047603 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -65,6 +65,7 @@ struct lpss_private_data;
struct lpss_device_desc {
unsigned int flags;
+ const char *clk_con_id;
unsigned int prv_offset;
size_t prv_size_override;
void (*setup)(struct lpss_private_data *pdata);
@@ -140,6 +141,7 @@ static struct lpss_device_desc lpt_i2c_dev_desc = {
static struct lpss_device_desc lpt_uart_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_LTR,
+ .clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
};
@@ -156,6 +158,7 @@ static struct lpss_device_desc byt_pwm_dev_desc = {
static struct lpss_device_desc byt_uart_dev_desc = {
.flags = LPSS_CLK | LPSS_CLK_GATE | LPSS_CLK_DIVIDER | LPSS_SAVE_CTX,
+ .clk_con_id = "baudclk",
.prv_offset = 0x800,
.setup = lpss_uart_setup,
};
@@ -313,7 +316,7 @@ out:
return PTR_ERR(clk);
pdata->clk = clk;
- clk_register_clkdev(clk, NULL, devname);
+ clk_register_clkdev(clk, dev_desc->clk_con_id, devname);
return 0;
}
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index c7b105c0e1d3..6bc9cbc01ad6 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -26,7 +26,7 @@
#include <linux/kthread.h>
#include <linux/freezer.h>
#include <linux/cpu.h>
-#include <linux/clockchips.h>
+#include <linux/tick.h>
#include <linux/slab.h>
#include <linux/acpi.h>
#include <asm/mwait.h>
@@ -41,8 +41,6 @@ static unsigned long power_saving_mwait_eax;
static unsigned char tsc_detected_unstable;
static unsigned char tsc_marked_unstable;
-static unsigned char lapic_detected_unstable;
-static unsigned char lapic_marked_unstable;
static void power_saving_mwait_init(void)
{
@@ -82,13 +80,10 @@ static void power_saving_mwait_init(void)
*/
if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
tsc_detected_unstable = 1;
- if (!boot_cpu_has(X86_FEATURE_ARAT))
- lapic_detected_unstable = 1;
break;
default:
- /* TSC & LAPIC could halt in idle */
+ /* TSC could halt in idle */
tsc_detected_unstable = 1;
- lapic_detected_unstable = 1;
}
#endif
}
@@ -155,7 +150,6 @@ static int power_saving_thread(void *data)
sched_setscheduler(current, SCHED_RR, &param);
while (!kthread_should_stop()) {
- int cpu;
unsigned long expire_time;
try_to_freeze();
@@ -177,28 +171,15 @@ static int power_saving_thread(void *data)
mark_tsc_unstable("TSC halts in idle");
tsc_marked_unstable = 1;
}
- if (lapic_detected_unstable && !lapic_marked_unstable) {
- int i;
- /* LAPIC could halt in idle, so notify users */
- for_each_online_cpu(i)
- clockevents_notify(
- CLOCK_EVT_NOTIFY_BROADCAST_ON,
- &i);
- lapic_marked_unstable = 1;
- }
local_irq_disable();
- cpu = smp_processor_id();
- if (lapic_marked_unstable)
- clockevents_notify(
- CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
+ tick_broadcast_enable();
+ tick_broadcast_enter();
stop_critical_timings();
mwait_idle_with_hints(power_saving_mwait_eax, 1);
start_critical_timings();
- if (lapic_marked_unstable)
- clockevents_notify(
- CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu);
+ tick_broadcast_exit();
local_irq_enable();
if (time_before(expire_time, jiffies)) {
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index d98ba4355819..fdc16ce9d272 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -117,7 +117,8 @@ enum {
struct acpi_battery {
struct mutex lock;
struct mutex sysfs_lock;
- struct power_supply bat;
+ struct power_supply *bat;
+ struct power_supply_desc bat_desc;
struct acpi_device *device;
struct notifier_block pm_nb;
unsigned long update_time;
@@ -149,7 +150,7 @@ struct acpi_battery {
unsigned long flags;
};
-#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat)
+#define to_acpi_battery(x) power_supply_get_drvdata(x)
static inline int acpi_battery_present(struct acpi_battery *battery)
{
@@ -608,40 +609,45 @@ static struct device_attribute alarm_attr = {
static int sysfs_add_battery(struct acpi_battery *battery)
{
- int result;
+ struct power_supply_config psy_cfg = { .drv_data = battery, };
if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) {
- battery->bat.properties = charge_battery_props;
- battery->bat.num_properties =
+ battery->bat_desc.properties = charge_battery_props;
+ battery->bat_desc.num_properties =
ARRAY_SIZE(charge_battery_props);
} else {
- battery->bat.properties = energy_battery_props;
- battery->bat.num_properties =
+ battery->bat_desc.properties = energy_battery_props;
+ battery->bat_desc.num_properties =
ARRAY_SIZE(energy_battery_props);
}
- battery->bat.name = acpi_device_bid(battery->device);
- battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
- battery->bat.get_property = acpi_battery_get_property;
+ battery->bat_desc.name = acpi_device_bid(battery->device);
+ battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;
+ battery->bat_desc.get_property = acpi_battery_get_property;
- result = power_supply_register_no_ws(&battery->device->dev, &battery->bat);
+ battery->bat = power_supply_register_no_ws(&battery->device->dev,
+ &battery->bat_desc, &psy_cfg);
- if (result)
+ if (IS_ERR(battery->bat)) {
+ int result = PTR_ERR(battery->bat);
+
+ battery->bat = NULL;
return result;
- return device_create_file(battery->bat.dev, &alarm_attr);
+ }
+ return device_create_file(&battery->bat->dev, &alarm_attr);
}
static void sysfs_remove_battery(struct acpi_battery *battery)
{
mutex_lock(&battery->sysfs_lock);
- if (!battery->bat.dev) {
+ if (!battery->bat) {
mutex_unlock(&battery->sysfs_lock);
return;
}
- device_remove_file(battery->bat.dev, &alarm_attr);
- power_supply_unregister(&battery->bat);
- battery->bat.dev = NULL;
+ device_remove_file(&battery->bat->dev, &alarm_attr);
+ power_supply_unregister(battery->bat);
+ battery->bat = NULL;
mutex_unlock(&battery->sysfs_lock);
}
@@ -738,7 +744,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume)
return result;
acpi_battery_init_alarm(battery);
}
- if (!battery->bat.dev) {
+ if (!battery->bat) {
result = sysfs_add_battery(battery);
if (result)
return result;
@@ -764,7 +770,7 @@ static void acpi_battery_refresh(struct acpi_battery *battery)
{
int power_unit;
- if (!battery->bat.dev)
+ if (!battery->bat)
return;
power_unit = battery->power_unit;
@@ -1062,11 +1068,11 @@ static void acpi_battery_remove_fs(struct acpi_device *device)
static void acpi_battery_notify(struct acpi_device *device, u32 event)
{
struct acpi_battery *battery = acpi_driver_data(device);
- struct device *old;
+ struct power_supply *old;
if (!battery)
return;
- old = battery->bat.dev;
+ old = battery->bat;
/*
* On Acer Aspire V5-573G notifications are sometimes triggered too
* early. For example, when AC is unplugged and notification is
@@ -1083,8 +1089,8 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
acpi_battery_present(battery));
acpi_notifier_call_chain(device, event, acpi_battery_present(battery));
/* acpi_battery_update could remove power_supply object */
- if (old && battery->bat.dev)
- power_supply_changed(&battery->bat);
+ if (old && battery->bat)
+ power_supply_changed(battery->bat);
}
static int battery_notify(struct notifier_block *nb,
@@ -1100,7 +1106,7 @@ static int battery_notify(struct notifier_block *nb,
if (!acpi_battery_present(battery))
return 0;
- if (!battery->bat.dev) {
+ if (battery->bat) {
result = acpi_battery_get_info(battery);
if (result)
return result;
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index e7f718d6918a..b1def411c0b8 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -485,6 +485,14 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (!pin || !dev->irq_managed || dev->irq <= 0)
return;
+ /* Keep IOAPIC pin configuration when suspending */
+ if (dev->dev.power.is_prepared)
+ return;
+#ifdef CONFIG_PM
+ if (dev->dev.power.runtime_status == RPM_SUSPENDING)
+ return;
+#endif
+
entry = acpi_pci_irq_lookup(dev, pin);
if (!entry)
return;
@@ -505,6 +513,5 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (gsi >= 0) {
acpi_unregister_gsi(gsi);
dev->irq_managed = 0;
- dev->irq = 0;
}
}
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 68a5f712cd19..1b5569c092c6 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -423,8 +423,7 @@ out:
}
EXPORT_SYMBOL(acpi_pci_osc_control_set);
-static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm,
- int *clear_aspm)
+static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm)
{
u32 support, control, requested;
acpi_status status;
@@ -495,10 +494,12 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm,
decode_osc_control(root, "OS now controls", control);
if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
/*
- * We have ASPM control, but the FADT indicates
- * that it's unsupported. Clear it.
+ * We have ASPM control, but the FADT indicates that
+ * it's unsupported. Leave existing configuration
+ * intact and prevent the OS from touching it.
*/
- *clear_aspm = 1;
+ dev_info(&device->dev, "FADT indicates ASPM is unsupported, using BIOS configuration\n");
+ *no_aspm = 1;
}
} else {
decode_osc_control(root, "OS requested", requested);
@@ -525,7 +526,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
int result;
struct acpi_pci_root *root;
acpi_handle handle = device->handle;
- int no_aspm = 0, clear_aspm = 0;
+ int no_aspm = 0;
bool hotadd = system_state != SYSTEM_BOOTING;
root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
@@ -584,7 +585,7 @@ static int acpi_pci_root_add(struct acpi_device *device,
root->mcfg_addr = acpi_pci_root_get_mcfg_addr(handle);
- negotiate_os_control(root, &no_aspm, &clear_aspm);
+ negotiate_os_control(root, &no_aspm);
/*
* TBD: Need PCI interface for enumeration/configuration of roots.
@@ -607,10 +608,6 @@ static int acpi_pci_root_add(struct acpi_device *device,
goto remove_dmar;
}
- if (clear_aspm) {
- dev_info(&device->dev, "Disabling ASPM (FADT indicates it is unsupported)\n");
- pcie_clear_aspm(root->bus);
- }
if (no_aspm)
pcie_no_aspm();
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index c6bb9f1257c9..39e0c8e36244 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -32,7 +32,7 @@
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <linux/sched.h> /* need_resched() */
-#include <linux/clockchips.h>
+#include <linux/tick.h>
#include <linux/cpuidle.h>
#include <linux/syscore_ops.h>
#include <acpi/processor.h>
@@ -157,12 +157,11 @@ static void lapic_timer_check_state(int state, struct acpi_processor *pr,
static void __lapic_timer_propagate_broadcast(void *arg)
{
struct acpi_processor *pr = (struct acpi_processor *) arg;
- unsigned long reason;
- reason = pr->power.timer_broadcast_on_state < INT_MAX ?
- CLOCK_EVT_NOTIFY_BROADCAST_ON : CLOCK_EVT_NOTIFY_BROADCAST_OFF;
-
- clockevents_notify(reason, &pr->id);
+ if (pr->power.timer_broadcast_on_state < INT_MAX)
+ tick_broadcast_enable();
+ else
+ tick_broadcast_disable();
}
static void lapic_timer_propagate_broadcast(struct acpi_processor *pr)
@@ -179,11 +178,10 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr,
int state = cx - pr->power.states;
if (state >= pr->power.timer_broadcast_on_state) {
- unsigned long reason;
-
- reason = broadcast ? CLOCK_EVT_NOTIFY_BROADCAST_ENTER :
- CLOCK_EVT_NOTIFY_BROADCAST_EXIT;
- clockevents_notify(reason, &pr->id);
+ if (broadcast)
+ tick_broadcast_enter();
+ else
+ tick_broadcast_exit();
}
}
@@ -922,7 +920,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
return -EINVAL;
drv->safe_state_index = -1;
- for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
+ for (i = CPUIDLE_DRIVER_STATE_START; i < CPUIDLE_STATE_MAX; i++) {
drv->states[i].name[0] = '\0';
drv->states[i].desc[0] = '\0';
}
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index c723668e3e27..5589a6e2a023 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -42,8 +42,10 @@ static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io)
* CHECKME: len might be required to check versus a minimum
* length as well. 1 for io is fine, but for memory it does
* not make any sense at all.
+ * Note: some BIOSes report incorrect length for ACPI address space
+ * descriptor, so remove check of 'reslen == len' to avoid regression.
*/
- if (len && reslen && reslen == len && start <= end)
+ if (len && reslen && start <= end)
return true;
pr_debug("ACPI: invalid or unassigned resource %s [%016llx - %016llx] length [%016llx]\n",
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index a7a3edd28beb..cd827625cf07 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -74,7 +74,8 @@ static const struct acpi_device_id sbs_device_ids[] = {
MODULE_DEVICE_TABLE(acpi, sbs_device_ids);
struct acpi_battery {
- struct power_supply bat;
+ struct power_supply *bat;
+ struct power_supply_desc bat_desc;
struct acpi_sbs *sbs;
unsigned long update_time;
char name[8];
@@ -101,10 +102,10 @@ struct acpi_battery {
u8 have_sysfs_alarm:1;
};
-#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat)
+#define to_acpi_battery(x) power_supply_get_drvdata(x)
struct acpi_sbs {
- struct power_supply charger;
+ struct power_supply *charger;
struct acpi_device *device;
struct acpi_smb_hc *hc;
struct mutex lock;
@@ -115,7 +116,7 @@ struct acpi_sbs {
u8 charger_exists:1;
};
-#define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger)
+#define to_acpi_sbs(x) power_supply_get_drvdata(x)
static int acpi_sbs_remove(struct acpi_device *device);
static int acpi_battery_get_state(struct acpi_battery *battery);
@@ -303,6 +304,13 @@ static enum power_supply_property sbs_energy_battery_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
};
+static const struct power_supply_desc acpi_sbs_charger_desc = {
+ .name = "sbs-charger",
+ .type = POWER_SUPPLY_TYPE_MAINS,
+ .properties = sbs_ac_props,
+ .num_properties = ARRAY_SIZE(sbs_ac_props),
+ .get_property = sbs_get_ac_property,
+};
/* --------------------------------------------------------------------------
Smart Battery System Management
@@ -519,6 +527,7 @@ static int acpi_battery_read(struct acpi_battery *battery)
static int acpi_battery_add(struct acpi_sbs *sbs, int id)
{
struct acpi_battery *battery = &sbs->battery[id];
+ struct power_supply_config psy_cfg = { .drv_data = battery, };
int result;
battery->id = id;
@@ -528,23 +537,27 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
return result;
sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id);
- battery->bat.name = battery->name;
- battery->bat.type = POWER_SUPPLY_TYPE_BATTERY;
+ battery->bat_desc.name = battery->name;
+ battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;
if (!acpi_battery_mode(battery)) {
- battery->bat.properties = sbs_charge_battery_props;
- battery->bat.num_properties =
+ battery->bat_desc.properties = sbs_charge_battery_props;
+ battery->bat_desc.num_properties =
ARRAY_SIZE(sbs_charge_battery_props);
} else {
- battery->bat.properties = sbs_energy_battery_props;
- battery->bat.num_properties =
+ battery->bat_desc.properties = sbs_energy_battery_props;
+ battery->bat_desc.num_properties =
ARRAY_SIZE(sbs_energy_battery_props);
}
- battery->bat.get_property = acpi_sbs_battery_get_property;
- result = power_supply_register(&sbs->device->dev, &battery->bat);
- if (result)
+ battery->bat_desc.get_property = acpi_sbs_battery_get_property;
+ battery->bat = power_supply_register(&sbs->device->dev,
+ &battery->bat_desc, &psy_cfg);
+ if (IS_ERR(battery->bat)) {
+ result = PTR_ERR(battery->bat);
+ battery->bat = NULL;
goto end;
+ }
- result = device_create_file(battery->bat.dev, &alarm_attr);
+ result = device_create_file(&battery->bat->dev, &alarm_attr);
if (result)
goto end;
battery->have_sysfs_alarm = 1;
@@ -559,28 +572,29 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
struct acpi_battery *battery = &sbs->battery[id];
- if (battery->bat.dev) {
+ if (battery->bat) {
if (battery->have_sysfs_alarm)
- device_remove_file(battery->bat.dev, &alarm_attr);
- power_supply_unregister(&battery->bat);
+ device_remove_file(&battery->bat->dev, &alarm_attr);
+ power_supply_unregister(battery->bat);
}
}
static int acpi_charger_add(struct acpi_sbs *sbs)
{
int result;
+ struct power_supply_config psy_cfg = { .drv_data = sbs, };
result = acpi_ac_get_present(sbs);
if (result)
goto end;
sbs->charger_exists = 1;
- sbs->charger.name = "sbs-charger";
- sbs->charger.type = POWER_SUPPLY_TYPE_MAINS;
- sbs->charger.properties = sbs_ac_props;
- sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props);
- sbs->charger.get_property = sbs_get_ac_property;
- power_supply_register(&sbs->device->dev, &sbs->charger);
+ sbs->charger = power_supply_register(&sbs->device->dev,
+ &acpi_sbs_charger_desc, &psy_cfg);
+ if (IS_ERR(sbs->charger)) {
+ result = PTR_ERR(sbs->charger);
+ sbs->charger = NULL;
+ }
printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n",
ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device),
ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line");
@@ -590,8 +604,8 @@ static int acpi_charger_add(struct acpi_sbs *sbs)
static void acpi_charger_remove(struct acpi_sbs *sbs)
{
- if (sbs->charger.dev)
- power_supply_unregister(&sbs->charger);
+ if (sbs->charger)
+ power_supply_unregister(sbs->charger);
}
static void acpi_sbs_callback(void *context)
@@ -605,7 +619,7 @@ static void acpi_sbs_callback(void *context)
if (sbs->charger_exists) {
acpi_ac_get_present(sbs);
if (sbs->charger_present != saved_charger_state)
- kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
+ kobject_uevent(&sbs->charger->dev.kobj, KOBJ_CHANGE);
}
if (sbs->manager_present) {
@@ -617,7 +631,7 @@ static void acpi_sbs_callback(void *context)
acpi_battery_read(bat);
if (saved_battery_state == bat->present)
continue;
- kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
+ kobject_uevent(&bat->bat->dev.kobj, KOBJ_CHANGE);
}
}
}
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index debd30917010..26eb70c8f518 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2110,7 +2110,8 @@ static int __init intel_opregion_present(void)
int acpi_video_register(void)
{
- int result = 0;
+ int ret;
+
if (register_count) {
/*
* if the function of acpi_video_register is already called,
@@ -2122,9 +2123,9 @@ int acpi_video_register(void)
mutex_init(&video_list_lock);
INIT_LIST_HEAD(&video_bus_head);
- result = acpi_bus_register_driver(&acpi_video_bus);
- if (result < 0)
- return -ENODEV;
+ ret = acpi_bus_register_driver(&acpi_video_bus);
+ if (ret)
+ return ret;
/*
* When the acpi_video_bus is loaded successfully, increase
@@ -2176,6 +2177,17 @@ EXPORT_SYMBOL(acpi_video_unregister_backlight);
static int __init acpi_video_init(void)
{
+ /*
+ * Let the module load even if ACPI is disabled (e.g. due to
+ * a broken BIOS) so that i915.ko can still be loaded on such
+ * old systems without an AcpiOpRegion.
+ *
+ * acpi_video_register() will report -ENODEV later as well due
+ * to acpi_disabled when i915.ko tries to register itself afterwards.
+ */
+ if (acpi_disabled)
+ return 0;
+
dmi_check_system(video_dmi_table);
if (intel_opregion_present())
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-22 07:11:52 +0000