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Date: Wed, 03 Jul 2013 23:56:27 +0200
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: Thomas Renninger <trenn@...e.de>
Cc: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
platform-driver-x86@...r.kernel.org,
ibm-acpi-devel@...ts.sourceforge.net, rui.zhang@...el.com,
lenb@...nel.org, Matthew Garrett <matthew.garrett@...ula.com>,
Henrique de Moraes Holschuh <hmh@....eng.br>
Subject: Re: [PATCH 2/3] ACPI: Remove old /proc/acpi/event interface
On Wednesday, July 03, 2013 02:48:38 PM Thomas Renninger wrote:
> It is quite some time that this one is deprecated.
> Get rid of it.
>
> If there should really some important user be overseen it could get reverted
> and worked on the userspace program first. But it is time to do something to
> get rid of this old stuff...
Does this patch depend on the other patches in this series?
Rafael
> CC: rui.zhang@...el.com
> CC: lenb@...nel.org
> CC: Rafael J. Wysocki <rjw@...k.pl>
> CC: Matthew Garrett <matthew.garrett@...ula.com>
> CC: Henrique de Moraes Holschuh <hmh@....eng.br>
> Signed-off-by: Thomas Renninger <trenn@...e.de>
> ---
> Documentation/laptops/asus-laptop.txt | 8 +-
> Documentation/laptops/sony-laptop.txt | 8 +-
> Documentation/power/video_extension.txt | 15 -----
> drivers/acpi/Kconfig | 18 -----
> drivers/acpi/ac.c | 1 -
> drivers/acpi/acpi_pad.c | 1 -
> drivers/acpi/battery.c | 2 -
> drivers/acpi/bus.c | 98 ----------------------------
> drivers/acpi/button.c | 2 -
> drivers/acpi/event.c | 106 -------------------------------
> drivers/acpi/processor_driver.c | 4 -
> drivers/acpi/sbs.c | 15 +----
> drivers/acpi/thermal.c | 3 -
> drivers/acpi/video.c | 10 ---
> drivers/platform/x86/asus-laptop.c | 1 -
> drivers/platform/x86/eeepc-laptop.c | 1 -
> drivers/platform/x86/fujitsu-laptop.c | 4 -
> drivers/platform/x86/panasonic-laptop.c | 3 -
> drivers/platform/x86/sony-laptop.c | 4 -
> drivers/platform/x86/thinkpad_acpi.c | 11 ---
> include/acpi/acpi_bus.h | 9 ---
> 21 files changed, 10 insertions(+), 314 deletions(-)
>
> diff --git a/Documentation/laptops/asus-laptop.txt b/Documentation/laptops/asus-laptop.txt
> index 69f9fb3..79a1bc6 100644
> --- a/Documentation/laptops/asus-laptop.txt
> +++ b/Documentation/laptops/asus-laptop.txt
> @@ -8,8 +8,8 @@ http://acpi4asus.sf.net/
>
> This driver provides support for extra features of ACPI-compatible ASUS laptops.
> It may also support some MEDION, JVC or VICTOR laptops (such as MEDION 9675 or
> - VICTOR XP7210 for example). It makes all the extra buttons generate standard
> - ACPI events that go through /proc/acpi/events and input events (like keyboards).
> + VICTOR XP7210 for example). It makes all the extra buttons generate input
> + events (like keyboards).
> On some models adds support for changing the display brightness and output,
> switching the LCD backlight on and off, and most importantly, allows you to
> blink those fancy LEDs intended for reporting mail and wireless status.
> @@ -55,8 +55,8 @@ Usage
> DSDT) to me.
>
> That's all, now, all the events generated by the hotkeys of your laptop
> - should be reported in your /proc/acpi/event entry. You can check with
> - "acpi_listen".
> + should be reported via netlink events. You can check with
> + "acpi_genl monitor" (part of the acpica project).
>
> Hotkeys are also reported as input keys (like keyboards) you can check
> which key are supported using "xev" under X11.
> diff --git a/Documentation/laptops/sony-laptop.txt b/Documentation/laptops/sony-laptop.txt
> index 0d5ac7f..978b1e6 100644
> --- a/Documentation/laptops/sony-laptop.txt
> +++ b/Documentation/laptops/sony-laptop.txt
> @@ -12,10 +12,10 @@ Fn keys (hotkeys):
> ------------------
> Some models report hotkeys through the SNC or SPIC devices, such events are
> reported both through the ACPI subsystem as acpi events and through the INPUT
> -subsystem. See the logs of acpid or /proc/acpi/event and
> -/proc/bus/input/devices to find out what those events are and which input
> -devices are created by the driver. Additionally, loading the driver with the
> -debug option will report all events in the kernel log.
> +subsystem. See the logs of /proc/bus/input/devices to find out what those
> +events are and which input devices are created by the driver.
> +Additionally, loading the driver with the debug option will report all events
> +in the kernel log.
>
> The "scancodes" passed to the input system (that can be remapped with udev)
> are indexes to the table "sony_laptop_input_keycode_map" in the sony-laptop.c
> diff --git a/Documentation/power/video_extension.txt b/Documentation/power/video_extension.txt
> index b2f9b15..25ac682 100644
> --- a/Documentation/power/video_extension.txt
> +++ b/Documentation/power/video_extension.txt
> @@ -20,18 +20,3 @@ VGA/CRT : CRT output
> VGA/LCD : LCD output
> VGA/TVO : TV output
> VGA/*/brightness : Used to get/set brightness of output device
> -
> -Notify event through /proc/acpi/event:
> -
> -#define ACPI_VIDEO_NOTIFY_SWITCH 0x80
> -#define ACPI_VIDEO_NOTIFY_PROBE 0x81
> -#define ACPI_VIDEO_NOTIFY_CYCLE 0x82
> -#define ACPI_VIDEO_NOTIFY_NEXT_OUTPUT 0x83
> -#define ACPI_VIDEO_NOTIFY_PREV_OUTPUT 0x84
> -
> -#define ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS 0x82
> -#define ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS 0x83
> -#define ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS 0x84
> -#define ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS 0x85
> -#define ACPI_VIDEO_NOTIFY_DISPLAY_OFF 0x86
> -
> diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> index 100bd72..3278a21 100644
> --- a/drivers/acpi/Kconfig
> +++ b/drivers/acpi/Kconfig
> @@ -91,24 +91,6 @@ config ACPI_EC_DEBUGFS
> Thus this option is a debug option that helps to write ACPI drivers
> and can be used to identify ACPI code or EC firmware bugs.
>
> -config ACPI_PROC_EVENT
> - bool "Deprecated /proc/acpi/event support"
> - depends on PROC_FS
> - default y
> - help
> - A user-space daemon, acpid, typically reads /proc/acpi/event
> - and handles all ACPI-generated events.
> -
> - These events are now delivered to user-space either
> - via the input layer or as netlink events.
> -
> - This build option enables the old code for legacy
> - user-space implementation. After some time, this will
> - be moved under CONFIG_ACPI_PROCFS, and then deleted.
> -
> - Say Y here to retain the old behaviour. Say N if your
> - user-space is newer than kernel 2.6.23 (September 2007).
> -
> config ACPI_AC
> tristate "AC Adapter"
> depends on X86
> diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
> index 4f4e741..f37beaa3 100644
> --- a/drivers/acpi/ac.c
> +++ b/drivers/acpi/ac.c
> @@ -267,7 +267,6 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
> msleep(ac_sleep_before_get_state_ms);
>
> acpi_ac_get_state(ac);
> - acpi_bus_generate_proc_event(device, event, (u32) ac->state);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event,
> (u32) ac->state);
> diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
> index 27bb6a9..6230637 100644
> --- a/drivers/acpi/acpi_pad.c
> +++ b/drivers/acpi/acpi_pad.c
> @@ -452,7 +452,6 @@ static void acpi_pad_notify(acpi_handle handle, u32 event,
> switch (event) {
> case ACPI_PROCESSOR_AGGREGATOR_NOTIFY:
> acpi_pad_handle_notify(handle);
> - acpi_bus_generate_proc_event(device, event, 0);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event, 0);
> break;
> diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
> index e710045..5f6b595 100644
> --- a/drivers/acpi/battery.c
> +++ b/drivers/acpi/battery.c
> @@ -1034,8 +1034,6 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event)
> if (event == ACPI_BATTERY_NOTIFY_INFO)
> acpi_battery_refresh(battery);
> acpi_battery_update(battery);
> - acpi_bus_generate_proc_event(device, event,
> - acpi_battery_present(battery));
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event,
> acpi_battery_present(battery));
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index 292de3c..2a0d8d2 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -347,104 +347,6 @@ static void acpi_bus_osc_support(void)
> }
>
> /* --------------------------------------------------------------------------
> - Event Management
> - -------------------------------------------------------------------------- */
> -
> -#ifdef CONFIG_ACPI_PROC_EVENT
> -static DEFINE_SPINLOCK(acpi_bus_event_lock);
> -
> -LIST_HEAD(acpi_bus_event_list);
> -DECLARE_WAIT_QUEUE_HEAD(acpi_bus_event_queue);
> -
> -extern int event_is_open;
> -
> -int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id, u8 type, int data)
> -{
> - struct acpi_bus_event *event;
> - unsigned long flags = 0;
> -
> - /* drop event on the floor if no one's listening */
> - if (!event_is_open)
> - return 0;
> -
> - event = kzalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
> - if (!event)
> - return -ENOMEM;
> -
> - strcpy(event->device_class, device_class);
> - strcpy(event->bus_id, bus_id);
> - event->type = type;
> - event->data = data;
> -
> - spin_lock_irqsave(&acpi_bus_event_lock, flags);
> - list_add_tail(&event->node, &acpi_bus_event_list);
> - spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
> -
> - wake_up_interruptible(&acpi_bus_event_queue);
> -
> - return 0;
> -
> -}
> -
> -EXPORT_SYMBOL_GPL(acpi_bus_generate_proc_event4);
> -
> -int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
> -{
> - if (!device)
> - return -EINVAL;
> - return acpi_bus_generate_proc_event4(device->pnp.device_class,
> - device->pnp.bus_id, type, data);
> -}
> -
> -EXPORT_SYMBOL(acpi_bus_generate_proc_event);
> -
> -int acpi_bus_receive_event(struct acpi_bus_event *event)
> -{
> - unsigned long flags = 0;
> - struct acpi_bus_event *entry = NULL;
> -
> - DECLARE_WAITQUEUE(wait, current);
> -
> -
> - if (!event)
> - return -EINVAL;
> -
> - if (list_empty(&acpi_bus_event_list)) {
> -
> - set_current_state(TASK_INTERRUPTIBLE);
> - add_wait_queue(&acpi_bus_event_queue, &wait);
> -
> - if (list_empty(&acpi_bus_event_list))
> - schedule();
> -
> - remove_wait_queue(&acpi_bus_event_queue, &wait);
> - set_current_state(TASK_RUNNING);
> -
> - if (signal_pending(current))
> - return -ERESTARTSYS;
> - }
> -
> - spin_lock_irqsave(&acpi_bus_event_lock, flags);
> - if (!list_empty(&acpi_bus_event_list)) {
> - entry = list_entry(acpi_bus_event_list.next,
> - struct acpi_bus_event, node);
> - list_del(&entry->node);
> - }
> - spin_unlock_irqrestore(&acpi_bus_event_lock, flags);
> -
> - if (!entry)
> - return -ENODEV;
> -
> - memcpy(event, entry, sizeof(struct acpi_bus_event));
> -
> - kfree(entry);
> -
> - return 0;
> -}
> -
> -#endif /* CONFIG_ACPI_PROC_EVENT */
> -
> -/* --------------------------------------------------------------------------
> Notification Handling
> -------------------------------------------------------------------------- */
>
> diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
> index d2e617b..a557738 100644
> --- a/drivers/acpi/button.c
> +++ b/drivers/acpi/button.c
> @@ -303,8 +303,6 @@ static void acpi_button_notify(struct acpi_device *device, u32 event)
>
> pm_wakeup_event(&device->dev, 0);
> }
> -
> - acpi_bus_generate_proc_event(device, event, ++button->pushed);
> break;
> default:
> ACPI_DEBUG_PRINT((ACPI_DB_INFO,
> diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
> index 1442737..8247fcd 100644
> --- a/drivers/acpi/event.c
> +++ b/drivers/acpi/event.c
> @@ -21,100 +21,6 @@
> #define _COMPONENT ACPI_SYSTEM_COMPONENT
> ACPI_MODULE_NAME("event");
>
> -#ifdef CONFIG_ACPI_PROC_EVENT
> -/* Global vars for handling event proc entry */
> -static DEFINE_SPINLOCK(acpi_system_event_lock);
> -int event_is_open = 0;
> -extern struct list_head acpi_bus_event_list;
> -extern wait_queue_head_t acpi_bus_event_queue;
> -
> -static int acpi_system_open_event(struct inode *inode, struct file *file)
> -{
> - spin_lock_irq(&acpi_system_event_lock);
> -
> - if (event_is_open)
> - goto out_busy;
> -
> - event_is_open = 1;
> -
> - spin_unlock_irq(&acpi_system_event_lock);
> - return 0;
> -
> - out_busy:
> - spin_unlock_irq(&acpi_system_event_lock);
> - return -EBUSY;
> -}
> -
> -static ssize_t
> -acpi_system_read_event(struct file *file, char __user * buffer, size_t count,
> - loff_t * ppos)
> -{
> - int result = 0;
> - struct acpi_bus_event event;
> - static char str[ACPI_MAX_STRING];
> - static int chars_remaining = 0;
> - static char *ptr;
> -
> - if (!chars_remaining) {
> - memset(&event, 0, sizeof(struct acpi_bus_event));
> -
> - if ((file->f_flags & O_NONBLOCK)
> - && (list_empty(&acpi_bus_event_list)))
> - return -EAGAIN;
> -
> - result = acpi_bus_receive_event(&event);
> - if (result)
> - return result;
> -
> - chars_remaining = sprintf(str, "%s %s %08x %08x\n",
> - event.device_class ? event.
> - device_class : "<unknown>",
> - event.bus_id ? event.
> - bus_id : "<unknown>", event.type,
> - event.data);
> - ptr = str;
> - }
> -
> - if (chars_remaining < count) {
> - count = chars_remaining;
> - }
> -
> - if (copy_to_user(buffer, ptr, count))
> - return -EFAULT;
> -
> - *ppos += count;
> - chars_remaining -= count;
> - ptr += count;
> -
> - return count;
> -}
> -
> -static int acpi_system_close_event(struct inode *inode, struct file *file)
> -{
> - spin_lock_irq(&acpi_system_event_lock);
> - event_is_open = 0;
> - spin_unlock_irq(&acpi_system_event_lock);
> - return 0;
> -}
> -
> -static unsigned int acpi_system_poll_event(struct file *file, poll_table * wait)
> -{
> - poll_wait(file, &acpi_bus_event_queue, wait);
> - if (!list_empty(&acpi_bus_event_list))
> - return POLLIN | POLLRDNORM;
> - return 0;
> -}
> -
> -static const struct file_operations acpi_system_event_ops = {
> - .owner = THIS_MODULE,
> - .open = acpi_system_open_event,
> - .read = acpi_system_read_event,
> - .release = acpi_system_close_event,
> - .poll = acpi_system_poll_event,
> - .llseek = default_llseek,
> -};
> -#endif /* CONFIG_ACPI_PROC_EVENT */
> -
> /* ACPI notifier chain */
> static BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
>
> @@ -280,9 +186,6 @@ static int acpi_event_genetlink_init(void)
>
> static int __init acpi_event_init(void)
> {
> -#ifdef CONFIG_ACPI_PROC_EVENT
> - struct proc_dir_entry *entry;
> -#endif
> int error = 0;
>
> if (acpi_disabled)
> @@ -293,15 +196,6 @@ static int __init acpi_event_init(void)
> if (error)
> printk(KERN_WARNING PREFIX
> "Failed to create genetlink family for ACPI event\n");
> -
> -#ifdef CONFIG_ACPI_PROC_EVENT
> - /* 'event' [R] */
> - entry = proc_create("event", S_IRUSR, acpi_root_dir,
> - &acpi_system_event_ops);
> - if (!entry)
> - return -ENODEV;
> -#endif
> -
> return 0;
> }
>
> diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
> index c266cdc..c3a727e 100644
> --- a/drivers/acpi/processor_driver.c
> +++ b/drivers/acpi/processor_driver.c
> @@ -393,21 +393,17 @@ static void acpi_processor_notify(struct acpi_device *device, u32 event)
> acpi_processor_ppc_has_changed(pr, 1);
> if (saved == pr->performance_platform_limit)
> break;
> - acpi_bus_generate_proc_event(device, event,
> - pr->performance_platform_limit);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event,
> pr->performance_platform_limit);
> break;
> case ACPI_PROCESSOR_NOTIFY_POWER:
> acpi_processor_cst_has_changed(pr);
> - acpi_bus_generate_proc_event(device, event, 0);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event, 0);
> break;
> case ACPI_PROCESSOR_NOTIFY_THROTTLING:
> acpi_processor_tstate_has_changed(pr);
> - acpi_bus_generate_proc_event(device, event, 0);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event, 0);
> break;
> diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
> index b6241ee..aef7e1c 100644
> --- a/drivers/acpi/sbs.c
> +++ b/drivers/acpi/sbs.c
> @@ -873,14 +873,9 @@ static void acpi_sbs_callback(void *context)
> u8 saved_charger_state = sbs->charger_present;
> u8 saved_battery_state;
> acpi_ac_get_present(sbs);
> - if (sbs->charger_present != saved_charger_state) {
> -#ifdef CONFIG_ACPI_PROC_EVENT
> - acpi_bus_generate_proc_event4(ACPI_AC_CLASS, ACPI_AC_DIR_NAME,
> - ACPI_SBS_NOTIFY_STATUS,
> - sbs->charger_present);
> -#endif
> + if (sbs->charger_present != saved_charger_state)
> kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE);
> - }
> +
> if (sbs->manager_present) {
> for (id = 0; id < MAX_SBS_BAT; ++id) {
> if (!(sbs->batteries_supported & (1 << id)))
> @@ -890,12 +885,6 @@ static void acpi_sbs_callback(void *context)
> acpi_battery_read(bat);
> if (saved_battery_state == bat->present)
> continue;
> -#ifdef CONFIG_ACPI_PROC_EVENT
> - acpi_bus_generate_proc_event4(ACPI_BATTERY_CLASS,
> - bat->name,
> - ACPI_SBS_NOTIFY_STATUS,
> - bat->present);
> -#endif
> kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE);
> }
> }
> diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
> index a33821c..547a906 100644
> --- a/drivers/acpi/thermal.c
> +++ b/drivers/acpi/thermal.c
> @@ -769,7 +769,6 @@ static int thermal_notify(struct thermal_zone_device *thermal, int trip,
> else
> return 0;
>
> - acpi_bus_generate_proc_event(tz->device, type, 1);
> acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
> dev_name(&tz->device->dev), type, 1);
>
> @@ -980,14 +979,12 @@ static void acpi_thermal_notify(struct acpi_device *device, u32 event)
> case ACPI_THERMAL_NOTIFY_THRESHOLDS:
> acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_THRESHOLDS);
> acpi_thermal_check(tz);
> - acpi_bus_generate_proc_event(device, event, 0);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event, 0);
> break;
> case ACPI_THERMAL_NOTIFY_DEVICES:
> acpi_thermal_trips_update(tz, ACPI_TRIPS_REFRESH_DEVICES);
> acpi_thermal_check(tz);
> - acpi_bus_generate_proc_event(device, event, 0);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event, 0);
> break;
> diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
> index 440eadf..8910fdf 100644
> --- a/drivers/acpi/video.c
> +++ b/drivers/acpi/video.c
> @@ -1556,7 +1556,6 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
> switch (event) {
> case ACPI_VIDEO_NOTIFY_SWITCH: /* User requested a switch,
> * most likely via hotkey. */
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_SWITCHVIDEOMODE;
> break;
>
> @@ -1564,20 +1563,16 @@ static void acpi_video_bus_notify(struct acpi_device *device, u32 event)
> * connector. */
> acpi_video_device_enumerate(video);
> acpi_video_device_rebind(video);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_SWITCHVIDEOMODE;
> break;
>
> case ACPI_VIDEO_NOTIFY_CYCLE: /* Cycle Display output hotkey pressed. */
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_SWITCHVIDEOMODE;
> break;
> case ACPI_VIDEO_NOTIFY_NEXT_OUTPUT: /* Next Display output hotkey pressed. */
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_VIDEO_NEXT;
> break;
> case ACPI_VIDEO_NOTIFY_PREV_OUTPUT: /* previous Display output hotkey pressed. */
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_VIDEO_PREV;
> break;
>
> @@ -1620,31 +1615,26 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data)
> case ACPI_VIDEO_NOTIFY_CYCLE_BRIGHTNESS: /* Cycle brightness */
> if (brightness_switch_enabled)
> acpi_video_switch_brightness(video_device, event);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_BRIGHTNESS_CYCLE;
> break;
> case ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS: /* Increase brightness */
> if (brightness_switch_enabled)
> acpi_video_switch_brightness(video_device, event);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_BRIGHTNESSUP;
> break;
> case ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS: /* Decrease brightness */
> if (brightness_switch_enabled)
> acpi_video_switch_brightness(video_device, event);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_BRIGHTNESSDOWN;
> break;
> case ACPI_VIDEO_NOTIFY_ZERO_BRIGHTNESS: /* zero brightness */
> if (brightness_switch_enabled)
> acpi_video_switch_brightness(video_device, event);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_BRIGHTNESS_ZERO;
> break;
> case ACPI_VIDEO_NOTIFY_DISPLAY_OFF: /* display device off */
> if (brightness_switch_enabled)
> acpi_video_switch_brightness(video_device, event);
> - acpi_bus_generate_proc_event(device, event, 0);
> keycode = KEY_DISPLAY_OFF;
> break;
> default:
> diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
> index 0eea09c..9d1d1c2 100644
> --- a/drivers/platform/x86/asus-laptop.c
> +++ b/drivers/platform/x86/asus-laptop.c
> @@ -1543,7 +1543,6 @@ static void asus_acpi_notify(struct acpi_device *device, u32 event)
>
> /* TODO Find a better way to handle events count. */
> count = asus->event_count[event % 128]++;
> - acpi_bus_generate_proc_event(asus->device, event, count);
> acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
> dev_name(&asus->device->dev), event,
> count);
> diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
> index 5d26e70..a6afd41 100644
> --- a/drivers/platform/x86/eeepc-laptop.c
> +++ b/drivers/platform/x86/eeepc-laptop.c
> @@ -1269,7 +1269,6 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event)
> if (event > ACPI_MAX_SYS_NOTIFY)
> return;
> count = eeepc->event_count[event % 128]++;
> - acpi_bus_generate_proc_event(device, event, count);
> acpi_bus_generate_netlink_event(device->pnp.device_class,
> dev_name(&device->dev), event,
> count);
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index 1c9386e..52b8a97 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -773,8 +773,6 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
> else
> set_lcd_level(newb);
> }
> - acpi_bus_generate_proc_event(fujitsu->dev,
> - ACPI_VIDEO_NOTIFY_INC_BRIGHTNESS, 0);
> keycode = KEY_BRIGHTNESSUP;
> } else if (oldb > newb) {
> if (disable_brightness_adjust != 1) {
> @@ -783,8 +781,6 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event)
> else
> set_lcd_level(newb);
> }
> - acpi_bus_generate_proc_event(fujitsu->dev,
> - ACPI_VIDEO_NOTIFY_DEC_BRIGHTNESS, 0);
> keycode = KEY_BRIGHTNESSDOWN;
> }
> break;
> diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
> index 4add9a3..984253d 100644
> --- a/drivers/platform/x86/panasonic-laptop.c
> +++ b/drivers/platform/x86/panasonic-laptop.c
> @@ -464,9 +464,6 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
> "error getting hotkey status\n"));
> return;
> }
> -
> - acpi_bus_generate_proc_event(pcc->device, HKEY_NOTIFY, result);
> -
> if (!sparse_keymap_report_event(hotk_input_dev,
> result & 0xf, result & 0x80, false))
> ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
> diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
> index 2ac045f..069821b 100644
> --- a/drivers/platform/x86/sony-laptop.c
> +++ b/drivers/platform/x86/sony-laptop.c
> @@ -1275,9 +1275,6 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
> ev_type = HOTKEY;
> sony_laptop_report_input_event(real_ev);
> }
> -
> - acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev);
> -
> acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class,
> dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev);
> }
> @@ -4243,7 +4240,6 @@ static irqreturn_t sony_pic_irq(int irq, void *dev_id)
>
> found:
> sony_laptop_report_input_event(device_event);
> - acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event);
> sonypi_compat_report_event(device_event);
> return IRQ_HANDLED;
> }
> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
> index 54d31c0..e946c0d 100644
> --- a/drivers/platform/x86/thinkpad_acpi.c
> +++ b/drivers/platform/x86/thinkpad_acpi.c
> @@ -2282,10 +2282,6 @@ static struct tp_acpi_drv_struct ibm_hotkey_acpidriver;
> static void tpacpi_hotkey_send_key(unsigned int scancode)
> {
> tpacpi_input_send_key_masked(scancode);
> - if (hotkey_report_mode < 2) {
> - acpi_bus_generate_proc_event(ibm_hotkey_acpidriver.device,
> - 0x80, TP_HKEY_EV_HOTKEY_BASE + scancode);
> - }
> }
>
> static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
> @@ -3737,13 +3733,6 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
> "event happened to %s\n", TPACPI_MAIL);
> }
>
> - /* Legacy events */
> - if (!ignore_acpi_ev &&
> - (send_acpi_ev || hotkey_report_mode < 2)) {
> - acpi_bus_generate_proc_event(ibm->acpi->device,
> - event, hkey);
> - }
> -
> /* netlink events */
> if (!ignore_acpi_ev && send_acpi_ev) {
> acpi_bus_generate_netlink_event(
> diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
> index c13c919..09ce5b3 100644
> --- a/include/acpi/acpi_bus.h
> +++ b/include/acpi/acpi_bus.h
> @@ -392,15 +392,6 @@ bool acpi_bus_can_wakeup(acpi_handle handle);
> static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; }
> #endif
>
> -#ifdef CONFIG_ACPI_PROC_EVENT
> -int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data);
> -int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data);
> -int acpi_bus_receive_event(struct acpi_bus_event *event);
> -#else
> -static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data)
> - { return 0; }
> -#endif
> -
> void acpi_scan_lock_acquire(void);
> void acpi_scan_lock_release(void);
> int acpi_scan_add_handler(struct acpi_scan_handler *handler);
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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