Merge branch 'bugzilla-23002' into release

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index ba9afeaa23acfb676021c86432fd89b45f8ba5cf..25d3aaebc10d4d86238c0af67bcb01976b6dcd65 100644 (file)
--- 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/apei/erst.c b/drivers/acpi/apei/erst.c
index 1211c03149e8c7c258fee89dd1109e1e6b901c26..5850d320404c35b9c7318eb0619ae54c7e32a30b 100644 (file)
--- a/drivers/acpi/apei/erst.c
+++ b/drivers/acpi/apei/erst.c
@@ -86,7 +86,7 @@ static struct erst_erange {
  * It is used to provide exclusive accessing for ERST Error Log
  * Address Range too.
  */
-static DEFINE_SPINLOCK(erst_lock);
+static DEFINE_RAW_SPINLOCK(erst_lock);
 
 static inline int erst_errno(int command_status)
 {
@@ -421,9 +421,9 @@ ssize_t erst_get_record_count(void)
        if (erst_disable)
                return -ENODEV;
 
-       spin_lock_irqsave(&erst_lock, flags);
+       raw_spin_lock_irqsave(&erst_lock, flags);
        count = __erst_get_record_count();
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
 
        return count;
 }
@@ -456,9 +456,9 @@ int erst_get_next_record_id(u64 *record_id)
        if (erst_disable)
                return -ENODEV;
 
-       spin_lock_irqsave(&erst_lock, flags);
+       raw_spin_lock_irqsave(&erst_lock, flags);
        rc = __erst_get_next_record_id(record_id);
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
 
        return rc;
 }
@@ -624,17 +624,17 @@ int erst_write(const struct cper_record_header *record)
                return -EINVAL;
 
        if (erst_erange.attr & ERST_RANGE_NVRAM) {
-               if (!spin_trylock_irqsave(&erst_lock, flags))
+               if (!raw_spin_trylock_irqsave(&erst_lock, flags))
                        return -EBUSY;
                rc = __erst_write_to_nvram(record);
-               spin_unlock_irqrestore(&erst_lock, flags);
+               raw_spin_unlock_irqrestore(&erst_lock, flags);
                return rc;
        }
 
        if (record->record_length > erst_erange.size)
                return -EINVAL;
 
-       if (!spin_trylock_irqsave(&erst_lock, flags))
+       if (!raw_spin_trylock_irqsave(&erst_lock, flags))
                return -EBUSY;
        memcpy(erst_erange.vaddr, record, record->record_length);
        rcd_erange = erst_erange.vaddr;
@@ -642,7 +642,7 @@ int erst_write(const struct cper_record_header *record)
        memcpy(&rcd_erange->persistence_information, "ER", 2);
 
        rc = __erst_write_to_storage(0);
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
 
        return rc;
 }
@@ -696,9 +696,9 @@ ssize_t erst_read(u64 record_id, struct cper_record_header *record,
        if (erst_disable)
                return -ENODEV;
 
-       spin_lock_irqsave(&erst_lock, flags);
+       raw_spin_lock_irqsave(&erst_lock, flags);
        len = __erst_read(record_id, record, buflen);
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
        return len;
 }
 EXPORT_SYMBOL_GPL(erst_read);
@@ -719,20 +719,20 @@ ssize_t erst_read_next(struct cper_record_header *record, size_t buflen)
        if (erst_disable)
                return -ENODEV;
 
-       spin_lock_irqsave(&erst_lock, flags);
+       raw_spin_lock_irqsave(&erst_lock, flags);
        rc = __erst_get_next_record_id(&record_id);
        if (rc) {
-               spin_unlock_irqrestore(&erst_lock, flags);
+               raw_spin_unlock_irqrestore(&erst_lock, flags);
                return rc;
        }
        /* no more record */
        if (record_id == APEI_ERST_INVALID_RECORD_ID) {
-               spin_unlock_irqrestore(&erst_lock, flags);
+               raw_spin_unlock_irqrestore(&erst_lock, flags);
                return 0;
        }
 
        len = __erst_read(record_id, record, buflen);
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
 
        return len;
 }
@@ -746,12 +746,12 @@ int erst_clear(u64 record_id)
        if (erst_disable)
                return -ENODEV;
 
-       spin_lock_irqsave(&erst_lock, flags);
+       raw_spin_lock_irqsave(&erst_lock, flags);
        if (erst_erange.attr & ERST_RANGE_NVRAM)
                rc = __erst_clear_from_nvram(record_id);
        else
                rc = __erst_clear_from_storage(record_id);
-       spin_unlock_irqrestore(&erst_lock, flags);
+       raw_spin_unlock_irqrestore(&erst_lock, flags);
 
        return rc;
 }

diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 1a3508a7fe03f157c2e0144727bbeb5c244d2a46..daa7bc63f1d4bad00fd988ddcce3681fdc74f804 100644 (file)
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -46,9 +46,9 @@ EXPORT_SYMBOL_GPL(hest_disable);
 
 /* HEST table parsing */
 
-static struct acpi_table_hest *hest_tab;
+static struct acpi_table_hest *__read_mostly hest_tab;
 
-static int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
+static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
        [ACPI_HEST_TYPE_IA32_CHECK] = -1,       /* need further calculation */
        [ACPI_HEST_TYPE_IA32_CORRECTED_CHECK] = -1,
        [ACPI_HEST_TYPE_IA32_NMI] = sizeof(struct acpi_hest_ia_nmi),
@@ -126,7 +126,7 @@ struct ghes_arr {
        unsigned int count;
 };
 
-static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
+static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
 {
        int *count = data;
 
@@ -135,7 +135,7 @@ static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
        return 0;
 }
 
-static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
+static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
 {
        struct platform_device *ghes_dev;
        struct ghes_arr *ghes_arr = data;
@@ -165,7 +165,7 @@ err:
        return rc;
 }
 
-static int hest_ghes_dev_register(unsigned int ghes_count)
+static int __init hest_ghes_dev_register(unsigned int ghes_count)
 {
        int rc, i;
        struct ghes_arr ghes_arr;

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 95649d373071ac93d14bbbb478db1ab4a8cdb801..9fb9d5ac939db1c071c4cdcaa7fba49364236e25 100644 (file)
--- 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 372ff80b7b0c93f88f6f2ea9e100c0fdd2aaf6bf..302b31ed31f1ea099faa48b989114e9c99dc1485 100644 (file)
--- 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 966feddf6b1ba29457fde294223018ad23666e39..055d7b701fff16d18fe5de5ea243ba8ec477e3ec 100644 (file)
--- 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)
@@ -1530,7 +1571,7 @@ acpi_status __init acpi_os_initialize(void)
        return AE_OK;
 }
 
-acpi_status acpi_os_initialize1(void)
+acpi_status __init acpi_os_initialize1(void)
 {
        kacpid_wq = create_workqueue("kacpid");
        kacpi_notify_wq = create_workqueue("kacpi_notify");

diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index 67dedeed144cf82c8e13859e7222b976d0eebb2e..4c9c2fb5d98f9a14a67e8618b44dc6f2c642887b 100644 (file)
--- 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.
         */

diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index fde49b9b1d99ed04eaf4192473ff7ce3bb913fd6..79cb6533289456c4f43b92dda5d7059a27345afa 100644 (file)
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -156,15 +156,6 @@ static int cpufreq_set_cur_state(unsigned int cpu, int state)
        return 0;
 }
 
-static int acpi_thermal_cpufreq_increase(unsigned int cpu)
-{
-       return -ENODEV;
-}
-static int acpi_thermal_cpufreq_decrease(unsigned int cpu)
-{
-       return -ENODEV;
-}
-
 #endif
 
 int acpi_processor_get_limit_info(struct acpi_processor *pr)

diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index d8149424c8125b787e593003bb98bbfde8b3d3bc..febb153b5a68cf216fdd1b528ac44159e73abcba 100644 (file)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -27,8 +27,6 @@
 
 static u8 sleep_states[ACPI_S_STATE_COUNT];
 
-static u32 acpi_target_sleep_state = ACPI_STATE_S0;
-
 static void acpi_sleep_tts_switch(u32 acpi_state)
 {
        union acpi_object in_arg = { ACPI_TYPE_INTEGER };
@@ -81,6 +79,8 @@ static int acpi_sleep_prepare(u32 acpi_state)
 }
 
 #ifdef CONFIG_ACPI_SLEEP
+static u32 acpi_target_sleep_state = ACPI_STATE_S0;
+
 /*
  * The ACPI specification wants us to save NVS memory regions during hibernation
  * and to restore them during the subsequent resume.  Windows does that also for

diff --git a/drivers/pnp/pnpacpi/core.c b/drivers/pnp/pnpacpi/core.c
index 2d73dfcecdbb4e2098e3d881a6a091a9e8ca5e62..57313f4658bc55a00a5a7d36fbb86450f8144def 100644 (file)
--- a/drivers/pnp/pnpacpi/core.c
+++ b/drivers/pnp/pnpacpi/core.c
@@ -180,7 +180,7 @@ struct pnp_protocol pnpacpi_protocol = {
 };
 EXPORT_SYMBOL(pnpacpi_protocol);
 
-static char *pnpacpi_get_id(struct acpi_device *device)
+static char *__init pnpacpi_get_id(struct acpi_device *device)
 {
        struct acpi_hardware_id *id;
 

diff --git a/include/acpi/video.h b/include/acpi/video.h
index 551793c9b6e8c25b2b1d3e36a4fe8ffcb4a0f24a..0e98e679d3a749cfda3898c2fe59f82d18ca87c3 100644 (file)
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -1,6 +1,10 @@
 #ifndef __ACPI_VIDEO_H
 #define __ACPI_VIDEO_H
 
+#include <linux/errno.h> /* for ENODEV */
+
+struct acpi_device;
+
 #define ACPI_VIDEO_DISPLAY_CRT  1
 #define ACPI_VIDEO_DISPLAY_TV   2
 #define ACPI_VIDEO_DISPLAY_DVI  3
@@ -26,4 +30,3 @@ static inline int acpi_video_get_edid(struct acpi_device *device, int type,
 #endif
 
 #endif
-

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 050a7bccb8365ef117f365ebe3d3a8d337efc390..67c91b4418b06e59ea9de82e0c67dfb4cc5a7554 100644 (file)
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -219,7 +219,7 @@ static inline int acpi_video_display_switch_support(void)
 
 extern int acpi_blacklisted(void);
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
-extern int acpi_osi_setup(char *str);
+extern void acpi_osi_setup(char *str);
 
 #ifdef CONFIG_ACPI_NUMA
 int acpi_get_pxm(acpi_handle handle);

diff --git a/include/linux/video_output.h b/include/linux/video_output.h
index 2fb46bc9340d9b40617042ba8bb253754e4b6f67..ed5cdeb3604dbe6ea1fe807b33a69bf140d1622a 100644 (file)
--- a/include/linux/video_output.h
+++ b/include/linux/video_output.h
@@ -23,6 +23,7 @@
 #ifndef _LINUX_VIDEO_OUTPUT_H
 #define _LINUX_VIDEO_OUTPUT_H
 #include <linux/device.h>
+#include <linux/err.h>
 struct output_device;
 struct output_properties {
        int (*set_state)(struct output_device *);
@@ -34,9 +35,23 @@ struct output_device {
        struct device dev;
 };
 #define to_output_device(obj) container_of(obj, struct output_device, dev)
+#if    defined(CONFIG_VIDEO_OUTPUT_CONTROL) || defined(CONFIG_VIDEO_OUTPUT_CONTROL_MODULE)
 struct output_device *video_output_register(const char *name,
        struct device *dev,
        void *devdata,
        struct output_properties *op);
 void video_output_unregister(struct output_device *dev);
+#else
+static struct output_device *video_output_register(const char *name,
+        struct device *dev,
+        void *devdata,
+        struct output_properties *op)
+{
+       return ERR_PTR(-ENODEV);
+}
+static void video_output_unregister(struct output_device *dev)
+{
+       return;
+}
+#endif
 #endif