]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
Merge branch 'wakeup-etc-rafael' into release
authorLen Brown <len.brown@intel.com>
Wed, 12 Jan 2011 09:55:46 +0000 (04:55 -0500)
committerLen Brown <len.brown@intel.com>
Wed, 12 Jan 2011 09:55:46 +0000 (04:55 -0500)
drivers/acpi/acpica/evmisc.c
drivers/acpi/button.c
drivers/acpi/glue.c
drivers/acpi/proc.c
drivers/acpi/scan.c
drivers/acpi/sleep.c
drivers/acpi/wakeup.c
include/acpi/acpi_bus.h

index fcaed9fb44ff1957dee8864d3d4feba13ec3f8ba..8e31bb5a973ae2483129781eb756089554d7b694 100644 (file)
@@ -284,41 +284,41 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context)
  * RETURN:      ACPI_INTERRUPT_HANDLED
  *
  * DESCRIPTION: Invoked directly from the SCI handler when a global lock
- *              release interrupt occurs. Attempt to acquire the global lock,
- *              if successful, signal the thread waiting for the lock.
+ *              release interrupt occurs.  If there's a thread waiting for
+ *              the global lock, signal it.
  *
  * NOTE: Assumes that the semaphore can be signaled from interrupt level. If
  * this is not possible for some reason, a separate thread will have to be
  * scheduled to do this.
  *
  ******************************************************************************/
+static u8 acpi_ev_global_lock_pending;
+static spinlock_t _acpi_ev_global_lock_pending_lock;
+#define acpi_ev_global_lock_pending_lock &_acpi_ev_global_lock_pending_lock
 
 static u32 acpi_ev_global_lock_handler(void *context)
 {
-       u8 acquired = FALSE;
+       acpi_status status;
+       acpi_cpu_flags flags;
 
-       /*
-        * Attempt to get the lock.
-        *
-        * If we don't get it now, it will be marked pending and we will
-        * take another interrupt when it becomes free.
-        */
-       ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
-       if (acquired) {
+       flags = acpi_os_acquire_lock(acpi_ev_global_lock_pending_lock);
 
-               /* Got the lock, now wake all threads waiting for it */
+       if (!acpi_ev_global_lock_pending) {
+               goto out;
+       }
 
-               acpi_gbl_global_lock_acquired = TRUE;
-               /* Send a unit to the semaphore */
+       /* Send a unit to the semaphore */
 
-               if (ACPI_FAILURE
-                   (acpi_os_signal_semaphore
-                    (acpi_gbl_global_lock_semaphore, 1))) {
-                       ACPI_ERROR((AE_INFO,
-                                   "Could not signal Global Lock semaphore"));
-               }
+       status = acpi_os_signal_semaphore(acpi_gbl_global_lock_semaphore, 1);
+       if (ACPI_FAILURE(status)) {
+               ACPI_ERROR((AE_INFO, "Could not signal Global Lock semaphore"));
        }
 
+       acpi_ev_global_lock_pending = FALSE;
+
+ out:
+       acpi_os_release_lock(acpi_ev_global_lock_pending_lock, flags);
+
        return (ACPI_INTERRUPT_HANDLED);
 }
 
@@ -415,6 +415,7 @@ static int acpi_ev_global_lock_acquired;
 
 acpi_status acpi_ev_acquire_global_lock(u16 timeout)
 {
+       acpi_cpu_flags flags;
        acpi_status status = AE_OK;
        u8 acquired = FALSE;
 
@@ -467,32 +468,47 @@ acpi_status acpi_ev_acquire_global_lock(u16 timeout)
                return_ACPI_STATUS(AE_OK);
        }
 
-       /* Attempt to acquire the actual hardware lock */
+       flags = acpi_os_acquire_lock(acpi_ev_global_lock_pending_lock);
+
+       do {
+
+               /* Attempt to acquire the actual hardware lock */
+
+               ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
+               if (acquired) {
+                       acpi_gbl_global_lock_acquired = TRUE;
+
+                       ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
+                                         "Acquired hardware Global Lock\n"));
+                       break;
+               }
 
-       ACPI_ACQUIRE_GLOBAL_LOCK(acpi_gbl_FACS, acquired);
-       if (acquired) {
+               acpi_ev_global_lock_pending = TRUE;
 
-               /* We got the lock */
+               acpi_os_release_lock(acpi_ev_global_lock_pending_lock, flags);
 
+               /*
+                * Did not get the lock. The pending bit was set above, and we
+                * must wait until we get the global lock released interrupt.
+                */
                ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                                 "Acquired hardware Global Lock\n"));
+                                 "Waiting for hardware Global Lock\n"));
 
-               acpi_gbl_global_lock_acquired = TRUE;
-               return_ACPI_STATUS(AE_OK);
-       }
+               /*
+                * Wait for handshake with the global lock interrupt handler.
+                * This interface releases the interpreter if we must wait.
+                */
+               status = acpi_ex_system_wait_semaphore(
+                                               acpi_gbl_global_lock_semaphore,
+                                               ACPI_WAIT_FOREVER);
 
-       /*
-        * Did not get the lock. The pending bit was set above, and we must now
-        * wait until we get the global lock released interrupt.
-        */
-       ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "Waiting for hardware Global Lock\n"));
+               flags = acpi_os_acquire_lock(acpi_ev_global_lock_pending_lock);
 
-       /*
-        * Wait for handshake with the global lock interrupt handler.
-        * This interface releases the interpreter if we must wait.
-        */
-       status = acpi_ex_system_wait_semaphore(acpi_gbl_global_lock_semaphore,
-                                              ACPI_WAIT_FOREVER);
+       } while (ACPI_SUCCESS(status));
+
+       acpi_ev_global_lock_pending = FALSE;
+
+       acpi_os_release_lock(acpi_ev_global_lock_pending_lock, flags);
 
        return_ACPI_STATUS(status);
 }
index 71ef9cd0735f2fadd8c76d67cee4029bc72b1ce1..76bbb78a5ad957525c066b90ec2457ae533934e6 100644 (file)
@@ -279,6 +279,9 @@ static int acpi_lid_send_state(struct acpi_device *device)
        input_report_switch(button->input, SW_LID, !state);
        input_sync(button->input);
 
+       if (state)
+               pm_wakeup_event(&device->dev, 0);
+
        ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device);
        if (ret == NOTIFY_DONE)
                ret = blocking_notifier_call_chain(&acpi_lid_notifier, state,
@@ -314,6 +317,8 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
                        input_sync(input);
                        input_report_key(input, keycode, 0);
                        input_sync(input);
+
+                       pm_wakeup_event(&device->dev, 0);
                }
 
                acpi_bus_generate_proc_event(device, event, ++button->pushed);
@@ -426,7 +431,7 @@ static int acpi_button_add(struct acpi_device *device)
                acpi_enable_gpe(device->wakeup.gpe_device,
                                device->wakeup.gpe_number);
                device->wakeup.run_wake_count++;
-               device->wakeup.state.enabled = 1;
+               device_set_wakeup_enable(&device->dev, true);
        }
 
        printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device));
@@ -449,7 +454,7 @@ static int acpi_button_remove(struct acpi_device *device, int type)
                acpi_disable_gpe(device->wakeup.gpe_device,
                                device->wakeup.gpe_number);
                device->wakeup.run_wake_count--;
-               device->wakeup.state.enabled = 0;
+               device_set_wakeup_enable(&device->dev, false);
        }
 
        acpi_button_remove_fs(device);
index 78b0164c35b2ccaa25647e9ea0397a249d51656b..7c47ed55e528be27ea167bfaa5a6872b9b609bb1 100644 (file)
@@ -167,11 +167,8 @@ static int acpi_bind_one(struct device *dev, acpi_handle handle)
                                "firmware_node");
                ret = sysfs_create_link(&acpi_dev->dev.kobj, &dev->kobj,
                                "physical_node");
-               if (acpi_dev->wakeup.flags.valid) {
+               if (acpi_dev->wakeup.flags.valid)
                        device_set_wakeup_capable(dev, true);
-                       device_set_wakeup_enable(dev,
-                                               acpi_dev->wakeup.state.enabled);
-               }
        }
 
        return 0;
index afad67769db6216352348ecb207112f13180e862..f5f986991b52f8a5a5faae4f3446105e1d2fe2bf 100644 (file)
@@ -311,7 +311,9 @@ acpi_system_wakeup_device_seq_show(struct seq_file *seq, void *offset)
                           dev->pnp.bus_id,
                           (u32) dev->wakeup.sleep_state,
                           dev->wakeup.flags.run_wake ? '*' : ' ',
-                          dev->wakeup.state.enabled ? "enabled" : "disabled");
+                          (device_may_wakeup(&dev->dev)
+                            || (ldev && device_may_wakeup(ldev))) ?
+                              "enabled" : "disabled");
                if (ldev)
                        seq_printf(seq, "%s:%s",
                                   ldev->bus ? ldev->bus->name : "no-bus",
@@ -328,8 +330,10 @@ static void physical_device_enable_wakeup(struct acpi_device *adev)
 {
        struct device *dev = acpi_get_physical_device(adev->handle);
 
-       if (dev && device_can_wakeup(dev))
-               device_set_wakeup_enable(dev, adev->wakeup.state.enabled);
+       if (dev && device_can_wakeup(dev)) {
+               bool enable = !device_may_wakeup(dev);
+               device_set_wakeup_enable(dev, enable);
+       }
 }
 
 static ssize_t
@@ -341,7 +345,6 @@ acpi_system_write_wakeup_device(struct file *file,
        char strbuf[5];
        char str[5] = "";
        unsigned int len = count;
-       struct acpi_device *found_dev = NULL;
 
        if (len > 4)
                len = 4;
@@ -361,33 +364,13 @@ acpi_system_write_wakeup_device(struct file *file,
                        continue;
 
                if (!strncmp(dev->pnp.bus_id, str, 4)) {
-                       dev->wakeup.state.enabled =
-                           dev->wakeup.state.enabled ? 0 : 1;
-                       found_dev = dev;
-                       break;
-               }
-       }
-       if (found_dev) {
-               physical_device_enable_wakeup(found_dev);
-               list_for_each_safe(node, next, &acpi_wakeup_device_list) {
-                       struct acpi_device *dev = container_of(node,
-                                                              struct
-                                                              acpi_device,
-                                                              wakeup_list);
-
-                       if ((dev != found_dev) &&
-                           (dev->wakeup.gpe_number ==
-                            found_dev->wakeup.gpe_number)
-                           && (dev->wakeup.gpe_device ==
-                               found_dev->wakeup.gpe_device)) {
-                               printk(KERN_WARNING
-                                      "ACPI: '%s' and '%s' have the same GPE, "
-                                      "can't disable/enable one separately\n",
-                                      dev->pnp.bus_id, found_dev->pnp.bus_id);
-                               dev->wakeup.state.enabled =
-                                   found_dev->wakeup.state.enabled;
+                       if (device_can_wakeup(&dev->dev)) {
+                               bool enable = !device_may_wakeup(&dev->dev);
+                               device_set_wakeup_enable(&dev->dev, enable);
+                       } else {
                                physical_device_enable_wakeup(dev);
                        }
+                       break;
                }
        }
        mutex_unlock(&acpi_device_lock);
index 148e7492d7365282f38acb41f88422243a0691c8..64d4da0d6d5255bbbd7112f44c4d9a88f045fef0 100644 (file)
@@ -803,7 +803,7 @@ static void acpi_bus_set_run_wake_flags(struct acpi_device *device)
        /* Power button, Lid switch always enable wakeup */
        if (!acpi_match_device_ids(device, button_device_ids)) {
                device->wakeup.flags.run_wake = 1;
-               device->wakeup.flags.always_enabled = 1;
+               device_set_wakeup_capable(&device->dev, true);
                return;
        }
 
index febb153b5a68cf216fdd1b528ac44159e73abcba..ddc5cce508a1c359f15122400c90eb29f0116735 100644 (file)
@@ -435,6 +435,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NW130D"),
                },
        },
+       {
+       .callback = init_nvs_nosave,
+       .ident = "Averatec AV1020-ED2",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"),
+               },
+       },
        {},
 };
 #endif /* CONFIG_SUSPEND */
index c6cb68e0a80c9a16b2e0f7c6da451a8394edea66..ed6501452507ff73ee796fd07f29097987b0dd01 100644 (file)
@@ -37,11 +37,12 @@ void acpi_enable_wakeup_devices(u8 sleep_state)
                        container_of(node, struct acpi_device, wakeup_list);
 
                if (!dev->wakeup.flags.valid
-                   || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
-                   || sleep_state > (u32) dev->wakeup.sleep_state)
+                   || sleep_state > (u32) dev->wakeup.sleep_state
+                   || !(device_may_wakeup(&dev->dev)
+                       || dev->wakeup.prepare_count))
                        continue;
 
-               if (dev->wakeup.state.enabled)
+               if (device_may_wakeup(&dev->dev))
                        acpi_enable_wakeup_device_power(dev, sleep_state);
 
                /* The wake-up power should have been enabled already. */
@@ -63,14 +64,15 @@ void acpi_disable_wakeup_devices(u8 sleep_state)
                        container_of(node, struct acpi_device, wakeup_list);
 
                if (!dev->wakeup.flags.valid
-                   || !(dev->wakeup.state.enabled || dev->wakeup.prepare_count)
-                   || (sleep_state > (u32) dev->wakeup.sleep_state))
+                   || sleep_state > (u32) dev->wakeup.sleep_state
+                   || !(device_may_wakeup(&dev->dev)
+                       || dev->wakeup.prepare_count))
                        continue;
 
                acpi_set_gpe_wake_mask(dev->wakeup.gpe_device, dev->wakeup.gpe_number,
                                ACPI_GPE_DISABLE);
 
-               if (dev->wakeup.state.enabled)
+               if (device_may_wakeup(&dev->dev))
                        acpi_disable_wakeup_device_power(dev);
        }
 }
@@ -84,8 +86,8 @@ int __init acpi_wakeup_device_init(void)
                struct acpi_device *dev = container_of(node,
                                                       struct acpi_device,
                                                       wakeup_list);
-               if (dev->wakeup.flags.always_enabled)
-                       dev->wakeup.state.enabled = 1;
+               if (device_can_wakeup(&dev->dev))
+                       device_set_wakeup_enable(&dev->dev, true);
        }
        mutex_unlock(&acpi_device_lock);
        return 0;
index 673a3f4d1f07397a2dc4e31c8942840d126482de..20b05cd6866340a82e8cee11e3de18332f494edc 100644 (file)
@@ -241,20 +241,14 @@ struct acpi_device_perf {
 struct acpi_device_wakeup_flags {
        u8 valid:1;             /* Can successfully enable wakeup? */
        u8 run_wake:1;          /* Run-Wake GPE devices */
-       u8 always_enabled:1;    /* Run-wake devices that are always enabled */
        u8 notifier_present:1;  /* Wake-up notify handler has been installed */
 };
 
-struct acpi_device_wakeup_state {
-       u8 enabled:1;
-};
-
 struct acpi_device_wakeup {
        acpi_handle gpe_device;
        u64 gpe_number;
        u64 sleep_state;
        struct acpi_handle_list resources;
-       struct acpi_device_wakeup_state state;
        struct acpi_device_wakeup_flags flags;
        int prepare_count;
        int run_wake_count;