Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: pxa27x_keypad - remove input_free_device() in pxa27x_keypad_remove()
  Input: mousedev - fix regression of inverting axes
  Input: uinput - add devname alias to allow module on-demand load
  Input: hil_kbd - fix compile error
  USB: drop tty argument from usb_serial_handle_sysrq_char()
  Input: sysrq - drop tty argument form handle_sysrq()
  Input: sysrq - drop tty argument from sysrq ops handlers

18 files changed, 54 insertions, 59 deletions

diff --git a/drivers/char/hangcheck-timer.c b/drivers/char/hangcheck-timer.c
index e0249722d25f..f953c96efc86 100644
--- a/drivers/char/hangcheck-timer.c
+++ b/drivers/char/hangcheck-timer.c
@@ -159,7 +159,7 @@ static void hangcheck_fire(unsigned long data)
                 if (hangcheck_dump_tasks) {
                         printk(KERN_CRIT "Hangcheck: Task state:\n");
 #ifdef CONFIG_MAGIC_SYSRQ
-                        handle_sysrq('t', NULL);
+                        handle_sysrq('t');
 #endif  /* CONFIG_MAGIC_SYSRQ */
                 }
                 if (hangcheck_reboot) {
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index fa27d1676ee5..3afd62e856eb 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -651,7 +651,7 @@ int hvc_poll(struct hvc_struct *hp)
                                         if (sysrq_pressed)
                                                 continue;
                                 } else if (sysrq_pressed) {
-                                        handle_sysrq(buf[i], tty);
+                                        handle_sysrq(buf[i]);
                                         sysrq_pressed = 0;
                                         continue;
                                 }
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 1f4b6de65a2d..a2bc885ce60a 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -403,7 +403,7 @@ static void hvsi_insert_chars(struct hvsi_struct *hp, const char *buf, int len)
                         hp->sysrq = 1;
                         continue;
                 } else if (hp->sysrq) {
-                        handle_sysrq(c, hp->tty);
+                        handle_sysrq(c);
                         hp->sysrq = 0;
                         continue;
                 }
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c
index 878ac0c2cc68..ef31bb81e843 100644
--- a/drivers/char/sysrq.c
+++ b/drivers/char/sysrq.c
@@ -18,7 +18,6 @@
 #include <linux/interrupt.h>
 #include <linux/mm.h>
 #include <linux/fs.h>
-#include <linux/tty.h>
 #include <linux/mount.h>
 #include <linux/kdev_t.h>
 #include <linux/major.h>
@@ -76,7 +75,7 @@ static int __init sysrq_always_enabled_setup(char *str)
 __setup("sysrq_always_enabled", sysrq_always_enabled_setup);
 
 
-static void sysrq_handle_loglevel(int key, struct tty_struct *tty)
+static void sysrq_handle_loglevel(int key)
 {
         int i;
 
@@ -93,7 +92,7 @@ static struct sysrq_key_op sysrq_loglevel_op = {
 };
 
 #ifdef CONFIG_VT
-static void sysrq_handle_SAK(int key, struct tty_struct *tty)
+static void sysrq_handle_SAK(int key)
 {
         struct work_struct *SAK_work = &vc_cons[fg_console].SAK_work;
         schedule_work(SAK_work);
@@ -109,7 +108,7 @@ static struct sysrq_key_op sysrq_SAK_op = {
 #endif
 
 #ifdef CONFIG_VT
-static void sysrq_handle_unraw(int key, struct tty_struct *tty)
+static void sysrq_handle_unraw(int key)
 {
         struct kbd_struct *kbd = &kbd_table[fg_console];
 
@@ -126,7 +125,7 @@ static struct sysrq_key_op sysrq_unraw_op = {
 #define sysrq_unraw_op (*(struct sysrq_key_op *)NULL)
 #endif /* CONFIG_VT */
 
-static void sysrq_handle_crash(int key, struct tty_struct *tty)
+static void sysrq_handle_crash(int key)
 {
         char *killer = NULL;
 
@@ -141,7 +140,7 @@ static struct sysrq_key_op sysrq_crash_op = {
         .enable_mask    = SYSRQ_ENABLE_DUMP,
 };
 
-static void sysrq_handle_reboot(int key, struct tty_struct *tty)
+static void sysrq_handle_reboot(int key)
 {
         lockdep_off();
         local_irq_enable();
@@ -154,7 +153,7 @@ static struct sysrq_key_op sysrq_reboot_op = {
         .enable_mask    = SYSRQ_ENABLE_BOOT,
 };
 
-static void sysrq_handle_sync(int key, struct tty_struct *tty)
+static void sysrq_handle_sync(int key)
 {
         emergency_sync();
 }
@@ -165,7 +164,7 @@ static struct sysrq_key_op sysrq_sync_op = {
         .enable_mask    = SYSRQ_ENABLE_SYNC,
 };
 
-static void sysrq_handle_show_timers(int key, struct tty_struct *tty)
+static void sysrq_handle_show_timers(int key)
 {
         sysrq_timer_list_show();
 }
@@ -176,7 +175,7 @@ static struct sysrq_key_op sysrq_show_timers_op = {
         .action_msg     = "Show clockevent devices & pending hrtimers (no others)",
 };
 
-static void sysrq_handle_mountro(int key, struct tty_struct *tty)
+static void sysrq_handle_mountro(int key)
 {
         emergency_remount();
 }
@@ -188,7 +187,7 @@ static struct sysrq_key_op sysrq_mountro_op = {
 };
 
 #ifdef CONFIG_LOCKDEP
-static void sysrq_handle_showlocks(int key, struct tty_struct *tty)
+static void sysrq_handle_showlocks(int key)
 {
         debug_show_all_locks();
 }
@@ -226,7 +225,7 @@ static void sysrq_showregs_othercpus(struct work_struct *dummy)
 
 static DECLARE_WORK(sysrq_showallcpus, sysrq_showregs_othercpus);
 
-static void sysrq_handle_showallcpus(int key, struct tty_struct *tty)
+static void sysrq_handle_showallcpus(int key)
 {
         /*
          * Fall back to the workqueue based printing if the
@@ -252,7 +251,7 @@ static struct sysrq_key_op sysrq_showallcpus_op = {
 };
 #endif
 
-static void sysrq_handle_showregs(int key, struct tty_struct *tty)
+static void sysrq_handle_showregs(int key)
 {
         struct pt_regs *regs = get_irq_regs();
         if (regs)
@@ -266,7 +265,7 @@ static struct sysrq_key_op sysrq_showregs_op = {
         .enable_mask    = SYSRQ_ENABLE_DUMP,
 };
 
-static void sysrq_handle_showstate(int key, struct tty_struct *tty)
+static void sysrq_handle_showstate(int key)
 {
         show_state();
 }
@@ -277,7 +276,7 @@ static struct sysrq_key_op sysrq_showstate_op = {
         .enable_mask    = SYSRQ_ENABLE_DUMP,
 };
 
-static void sysrq_handle_showstate_blocked(int key, struct tty_struct *tty)
+static void sysrq_handle_showstate_blocked(int key)
 {
         show_state_filter(TASK_UNINTERRUPTIBLE);
 }
@@ -291,7 +290,7 @@ static struct sysrq_key_op sysrq_showstate_blocked_op = {
 #ifdef CONFIG_TRACING
 #include <linux/ftrace.h>
 
-static void sysrq_ftrace_dump(int key, struct tty_struct *tty)
+static void sysrq_ftrace_dump(int key)
 {
         ftrace_dump(DUMP_ALL);
 }
@@ -305,7 +304,7 @@ static struct sysrq_key_op sysrq_ftrace_dump_op = {
 #define sysrq_ftrace_dump_op (*(struct sysrq_key_op *)NULL)
 #endif
 
-static void sysrq_handle_showmem(int key, struct tty_struct *tty)
+static void sysrq_handle_showmem(int key)
 {
         show_mem();
 }
@@ -330,7 +329,7 @@ static void send_sig_all(int sig)
         }
 }
 
-static void sysrq_handle_term(int key, struct tty_struct *tty)
+static void sysrq_handle_term(int key)
 {
         send_sig_all(SIGTERM);
         console_loglevel = 8;
@@ -349,7 +348,7 @@ static void moom_callback(struct work_struct *ignored)
 
 static DECLARE_WORK(moom_work, moom_callback);
 
-static void sysrq_handle_moom(int key, struct tty_struct *tty)
+static void sysrq_handle_moom(int key)
 {
         schedule_work(&moom_work);
 }
@@ -361,7 +360,7 @@ static struct sysrq_key_op sysrq_moom_op = {
 };
 
 #ifdef CONFIG_BLOCK
-static void sysrq_handle_thaw(int key, struct tty_struct *tty)
+static void sysrq_handle_thaw(int key)
 {
         emergency_thaw_all();
 }
@@ -373,7 +372,7 @@ static struct sysrq_key_op sysrq_thaw_op = {
 };
 #endif
 
-static void sysrq_handle_kill(int key, struct tty_struct *tty)
+static void sysrq_handle_kill(int key)
 {
         send_sig_all(SIGKILL);
         console_loglevel = 8;
@@ -385,7 +384,7 @@ static struct sysrq_key_op sysrq_kill_op = {
         .enable_mask    = SYSRQ_ENABLE_SIGNAL,
 };
 
-static void sysrq_handle_unrt(int key, struct tty_struct *tty)
+static void sysrq_handle_unrt(int key)
 {
         normalize_rt_tasks();
 }
@@ -493,7 +492,7 @@ static void __sysrq_put_key_op(int key, struct sysrq_key_op *op_p)
                 sysrq_key_table[i] = op_p;
 }
 
-void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
+void __handle_sysrq(int key, bool check_mask)
 {
         struct sysrq_key_op *op_p;
         int orig_log_level;
@@ -520,7 +519,7 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
                 if (!check_mask || sysrq_on_mask(op_p->enable_mask)) {
                         printk("%s\n", op_p->action_msg);
                         console_loglevel = orig_log_level;
-                        op_p->handler(key, tty);
+                        op_p->handler(key);
                 } else {
                         printk("This sysrq operation is disabled.\n");
                 }
@@ -545,10 +544,10 @@ void __handle_sysrq(int key, struct tty_struct *tty, int check_mask)
         spin_unlock_irqrestore(&sysrq_key_table_lock, flags);
 }
 
-void handle_sysrq(int key, struct tty_struct *tty)
+void handle_sysrq(int key)
 {
         if (sysrq_on())
-                __handle_sysrq(key, tty, 1);
+                __handle_sysrq(key, true);
 }
 EXPORT_SYMBOL(handle_sysrq);
 
@@ -597,7 +596,7 @@ static bool sysrq_filter(struct input_handle *handle, unsigned int type,
 
         default:
                 if (sysrq_down && value && value != 2)
-                        __handle_sysrq(sysrq_xlate[code], NULL, 1);
+                        __handle_sysrq(sysrq_xlate[code], true);
                 break;
         }
 
@@ -765,7 +764,7 @@ static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf,
 
                 if (get_user(c, buf))
                         return -EFAULT;
-                __handle_sysrq(c, NULL, 0);
+                __handle_sysrq(c, false);
         }
 
         return count;
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 8dd7e6f86bb3..6a5e403f9aa1 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -370,7 +370,7 @@ static void drm_fb_helper_restore_work_fn(struct work_struct *ignored)
 }
 static DECLARE_WORK(drm_fb_helper_restore_work, drm_fb_helper_restore_work_fn);
 
-static void drm_fb_helper_sysrq(int dummy1, struct tty_struct *dummy3)
+static void drm_fb_helper_sysrq(int dummy1)
 {
         schedule_work(&drm_fb_helper_restore_work);
 }
diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c
index dcc86b97a153..19fa94af207a 100644
--- a/drivers/input/keyboard/hil_kbd.c
+++ b/drivers/input/keyboard/hil_kbd.c
@@ -232,13 +232,13 @@ static void hil_dev_handle_ptr_events(struct hil_dev *ptr)
                 if (absdev) {
                         val = lo + (hi << 8);
 #ifdef TABLET_AUTOADJUST
-                        if (val < input_abs_min(dev, ABS_X + i))
+                        if (val < input_abs_get_min(dev, ABS_X + i))
                                 input_abs_set_min(dev, ABS_X + i, val);
-                        if (val > input_abs_max(dev, ABS_X + i))
+                        if (val > input_abs_get_max(dev, ABS_X + i))
                                 input_abs_set_max(dev, ABS_X + i, val);
 #endif
                         if (i % 3)
-                                val = input_abs_max(dev, ABS_X + i) - val;
+                                val = input_abs_get_max(dev, ABS_X + i) - val;
                         input_report_abs(dev, ABS_X + i, val);
                 } else {
                         val = (int) (((int8_t) lo) | ((int8_t) hi << 8));
@@ -388,11 +388,11 @@ static void hil_dev_pointer_setup(struct hil_dev *ptr)
 
 #ifdef TABLET_AUTOADJUST
                 for (i = 0; i < ABS_MAX; i++) {
-                        int diff = input_abs_max(input_dev, ABS_X + i) / 10;
+                        int diff = input_abs_get_max(input_dev, ABS_X + i) / 10;
                         input_abs_set_min(input_dev, ABS_X + i,
-                                input_abs_min(input_dev, ABS_X + i) + diff)
+                                input_abs_get_min(input_dev, ABS_X + i) + diff);
                         input_abs_set_max(input_dev, ABS_X + i,
-                                input_abs_max(input_dev, ABS_X + i) - diff)
+                                input_abs_get_max(input_dev, ABS_X + i) - diff);
                 }
 #endif
 
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 0e53b3bc39af..f32404f99189 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -567,8 +567,6 @@ static int __devexit pxa27x_keypad_remove(struct platform_device *pdev)
         clk_put(keypad->clk);
 
         input_unregister_device(keypad->input_dev);
-        input_free_device(keypad->input_dev);
-
         iounmap(keypad->mmio_base);
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index bb53fd33cd1c..0d4266a533a5 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -811,6 +811,8 @@ static struct miscdevice uinput_misc = {
         .minor          = UINPUT_MINOR,
         .name           = UINPUT_NAME,
 };
+MODULE_ALIAS_MISCDEV(UINPUT_MINOR);
+MODULE_ALIAS("devname:" UINPUT_NAME);
 
 static int __init uinput_init(void)
 {
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index 83c24cca234a..d528a2dba064 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -138,8 +138,8 @@ static void mousedev_touchpad_event(struct input_dev *dev,
 
                 fx(0) = value;
                 if (mousedev->touch && mousedev->pkt_count >= 2) {
-                        size = input_abs_get_min(dev, ABS_X) -
-                                        input_abs_get_max(dev, ABS_X);
+                        size = input_abs_get_max(dev, ABS_X) -
+                                        input_abs_get_min(dev, ABS_X);
                         if (size == 0)
                                 size = 256 * 2;
 
@@ -155,8 +155,8 @@ static void mousedev_touchpad_event(struct input_dev *dev,
                 fy(0) = value;
                 if (mousedev->touch && mousedev->pkt_count >= 2) {
                         /* use X size for ABS_Y to keep the same scale */
-                        size = input_abs_get_min(dev, ABS_X) -
-                                        input_abs_get_max(dev, ABS_X);
+                        size = input_abs_get_max(dev, ABS_X) -
+                                        input_abs_get_min(dev, ABS_X);
                         if (size == 0)
                                 size = 256 * 2;
 
diff --git a/drivers/net/ibm_newemac/debug.c b/drivers/net/ibm_newemac/debug.c
index 3995fafc1e08..8c6c1e2a8750 100644
--- a/drivers/net/ibm_newemac/debug.c
+++ b/drivers/net/ibm_newemac/debug.c
@@ -238,7 +238,7 @@ void emac_dbg_dump_all(void)
 }
 
 #if defined(CONFIG_MAGIC_SYSRQ)
-static void emac_sysrq_handler(int key, struct tty_struct *tty)
+static void emac_sysrq_handler(int key)
 {
         emac_dbg_dump_all();
 }
diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c
index c6cbcb3f925e..0e9a309b9669 100644
--- a/drivers/s390/char/ctrlchar.c
+++ b/drivers/s390/char/ctrlchar.c
@@ -16,12 +16,11 @@
 
 #ifdef CONFIG_MAGIC_SYSRQ
 static int ctrlchar_sysrq_key;
-static struct tty_struct *sysrq_tty;
 
 static void
 ctrlchar_handle_sysrq(struct work_struct *work)
 {
-        handle_sysrq(ctrlchar_sysrq_key, sysrq_tty);
+        handle_sysrq(ctrlchar_sysrq_key);
 }
 
 static DECLARE_WORK(ctrlchar_work, ctrlchar_handle_sysrq);
@@ -54,7 +53,6 @@ ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty)
         /* racy */
         if (len == 3 && buf[1] == '-') {
                 ctrlchar_sysrq_key = buf[2];
-                sysrq_tty = tty;
                 schedule_work(&ctrlchar_work);
                 return CTRLCHAR_SYSRQ;
         }
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 18d9a497863b..8cd58e412b5e 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -305,7 +305,7 @@ kbd_keycode(struct kbd_data *kbd, unsigned int keycode)
                 if (kbd->sysrq) {
                         if (kbd->sysrq == K(KT_LATIN, '-')) {
                                 kbd->sysrq = 0;
-                                handle_sysrq(value, kbd->tty);
+                                handle_sysrq(value);
                                 return;
                         }
                         if (value == '-') {
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 7e5e5efea4e2..cff9a306660f 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -492,7 +492,7 @@ sn_receive_chars(struct sn_cons_port *port, unsigned long flags)
                         sysrq_requested = 0;
                         if (ch && time_before(jiffies, sysrq_timeout)) {
                                 spin_unlock_irqrestore(&port->sc_port.lock, flags);
-                                handle_sysrq(ch, NULL);
+                                handle_sysrq(ch);
                                 spin_lock_irqsave(&port->sc_port.lock, flags);
                                 /* ignore actual sysrq command char */
                                 continue;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 63ddb2f65cee..c792c96f590e 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1834,7 +1834,7 @@ static int ftdi_process_packet(struct tty_struct *tty,
 
         if (port->port.console && port->sysrq) {
                 for (i = 0; i < len; i++, ch++) {
-                        if (!usb_serial_handle_sysrq_char(tty, port, *ch))
+                        if (!usb_serial_handle_sysrq_char(port, *ch))
                                 tty_insert_flip_char(tty, *ch, flag);
                 }
         } else {
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 0b1a13384c6d..e6833e216fc9 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -343,7 +343,7 @@ void usb_serial_generic_process_read_urb(struct urb *urb)
                 tty_insert_flip_string(tty, ch, urb->actual_length);
         else {
                 for (i = 0; i < urb->actual_length; i++, ch++) {
-                        if (!usb_serial_handle_sysrq_char(tty, port, *ch))
+                        if (!usb_serial_handle_sysrq_char(port, *ch))
                                 tty_insert_flip_char(tty, *ch, TTY_NORMAL);
                 }
         }
@@ -448,12 +448,11 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty)
 EXPORT_SYMBOL_GPL(usb_serial_generic_unthrottle);
 
 #ifdef CONFIG_MAGIC_SYSRQ
-int usb_serial_handle_sysrq_char(struct tty_struct *tty,
-                        struct usb_serial_port *port, unsigned int ch)
+int usb_serial_handle_sysrq_char(struct usb_serial_port *port, unsigned int ch)
 {
         if (port->sysrq && port->port.console) {
                 if (ch && time_before(jiffies, port->sysrq)) {
-                        handle_sysrq(ch, tty);
+                        handle_sysrq(ch);
                         port->sysrq = 0;
                         return 1;
                 }
@@ -462,8 +461,7 @@ int usb_serial_handle_sysrq_char(struct tty_struct *tty,
         return 0;
 }
 #else
-int usb_serial_handle_sysrq_char(struct tty_struct *tty,
-                        struct usb_serial_port *port, unsigned int ch)
+int usb_serial_handle_sysrq_char(struct usb_serial_port *port, unsigned int ch)
 {
         return 0;
 }
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index c98f0fb675ba..8ae4c6cbc38a 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -789,7 +789,7 @@ static void pl2303_process_read_urb(struct urb *urb)
 
         if (port->port.console && port->sysrq) {
                 for (i = 0; i < urb->actual_length; ++i)
-                        if (!usb_serial_handle_sysrq_char(tty, port, data[i]))
+                        if (!usb_serial_handle_sysrq_char(port, data[i]))
                                 tty_insert_flip_char(tty, data[i], tty_flag);
         } else {
                 tty_insert_flip_string_fixed_flag(tty, data, tty_flag,
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 660c31f14999..68c18fdfc6da 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -672,7 +672,7 @@ static int ssu100_process_packet(struct tty_struct *tty,
 
         if (port->port.console && port->sysrq) {
                 for (i = 0; i < len; i++, ch++) {
-                        if (!usb_serial_handle_sysrq_char(tty, port, *ch))
+                        if (!usb_serial_handle_sysrq_char(port, *ch))
                                 tty_insert_flip_char(tty, *ch, flag);
                 }
         } else
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 1799bd890315..ef9c7db52077 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -237,7 +237,7 @@ static void sysrq_handler(struct xenbus_watch *watch, const char **vec,
                 goto again;
 
         if (sysrq_key != '\0')
-                handle_sysrq(sysrq_key, NULL);
+                handle_sysrq(sysrq_key);
 }
 
 static struct xenbus_watch sysrq_watch = {