Merge git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

* git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: fm801-gp - handle errors from pci_enable_device()
  Input: gameport core - handle errors returned by device_bind_driver()
  Input: serio core - handle errors returned by device_bind_driver()
  Lockdep: fix compile error in drivers/input/serio/serio.c
  Input: serio - add lockdep annotations
  Lockdep: add lockdep_set_class_and_subclass() and lockdep_set_subclass()
  Input: atkbd - supress "too many keys" error message
  Input: i8042 - supress ACK/NAKs when blinking during panic
  Input: add missing exports to fix modular build

3 files changed, 32 insertions, 6 deletions

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 09b06e605b50..7e3141f37e32 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -106,6 +106,7 @@ static unsigned char i8042_ctr;
 static unsigned char i8042_mux_present;
 static unsigned char i8042_kbd_irq_registered;
 static unsigned char i8042_aux_irq_registered;
+static unsigned char i8042_suppress_kbd_ack;
 static struct platform_device *i8042_platform_device;
 
 static irqreturn_t i8042_interrupt(int irq, void *dev_id);
@@ -316,7 +317,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
         unsigned char str, data;
         unsigned int dfl;
         unsigned int port_no;
-        int ret;
+        int ret = 1;
 
         spin_lock_irqsave(&i8042_lock, flags);
         str = i8042_read_status();
@@ -378,10 +379,16 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id)
             dfl & SERIO_PARITY ? ", bad parity" : "",
             dfl & SERIO_TIMEOUT ? ", timeout" : "");
 
+        if (unlikely(i8042_suppress_kbd_ack))
+                if (port_no == I8042_KBD_PORT_NO &&
+                    (data == 0xfa || data == 0xfe)) {
+                        i8042_suppress_kbd_ack = 0;
+                        goto out;
+                }
+
         if (likely(port->exists))
                 serio_interrupt(port->serio, data, dfl);
 
-        ret = 1;
  out:
         return IRQ_RETVAL(ret);
 }
@@ -842,11 +849,13 @@ static long i8042_panic_blink(long count)
         led ^= 0x01 | 0x04;
         while (i8042_read_status() & I8042_STR_IBF)
                 DELAY;
+        i8042_suppress_kbd_ack = 1;
         i8042_write_data(0xed); /* set leds */
         DELAY;
         while (i8042_read_status() & I8042_STR_IBF)
                 DELAY;
         DELAY;
+        i8042_suppress_kbd_ack = 1;
         i8042_write_data(led);
         DELAY;
         last_blink = count;
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index dcb16b5cbec0..e5b1b60757bb 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -189,7 +189,7 @@ int ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
                 return -1;
         }
 
-        mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
+        mutex_lock(&ps2dev->cmd_mutex);
 
         serio_pause_rx(ps2dev->serio);
         ps2dev->flags = command == PS2_CMD_GETID ? PS2_FLAG_WAITID : 0;
@@ -296,6 +296,7 @@ EXPORT_SYMBOL(ps2_schedule_command);
 void ps2_init(struct ps2dev *ps2dev, struct serio *serio)
 {
         mutex_init(&ps2dev->cmd_mutex);
+        lockdep_set_subclass(&ps2dev->cmd_mutex, serio->depth);
         init_waitqueue_head(&ps2dev->wait);
         ps2dev->serio = serio;
 }
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 960fae3c3cea..211943f85cb6 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -118,6 +118,8 @@ static int serio_match_port(const struct serio_device_id *ids, struct serio *ser
 
 static void serio_bind_driver(struct serio *serio, struct serio_driver *drv)
 {
+        int error;
+
         down_write(&serio_bus.subsys.rwsem);
 
         if (serio_match_port(drv->id_table, serio)) {
@@ -126,9 +128,19 @@ static void serio_bind_driver(struct serio *serio, struct serio_driver *drv)
                         serio->dev.driver = NULL;
                         goto out;
                 }
-                device_bind_driver(&serio->dev);
+                error = device_bind_driver(&serio->dev);
+                if (error) {
+                        printk(KERN_WARNING
+                                "serio: device_bind_driver() failed "
+                                "for %s (%s) and %s, error: %d\n",
+                                serio->phys, serio->name,
+                                drv->description, error);
+                        serio_disconnect_driver(serio);
+                        serio->dev.driver = NULL;
+                        goto out;
+                }
         }
-out:
+ out:
         up_write(&serio_bus.subsys.rwsem);
 }
 
@@ -538,8 +550,12 @@ static void serio_init_port(struct serio *serio)
                  "serio%ld", (long)atomic_inc_return(&serio_no) - 1);
         serio->dev.bus = &serio_bus;
         serio->dev.release = serio_release_port;
-        if (serio->parent)
+        if (serio->parent) {
                 serio->dev.parent = &serio->parent->dev;
+                serio->depth = serio->parent->depth + 1;
+        } else
+                serio->depth = 0;
+        lockdep_set_subclass(&serio->lock, serio->depth);
 }
 
 /*