Merge tag 'v4.0-rc1' into patchwork

Linux 34.0-rc1

* tag 'v4.0-rc1': (8947 commits)
  Linux 4.0-rc1
  autofs4 copy_dev_ioctl(): keep the value of ->size we'd used for allocation
  procfs: fix race between symlink removals and traversals
  debugfs: leave freeing a symlink body until inode eviction
  Documentation/filesystems/Locking: ->get_sb() is long gone
  trylock_super(): replacement for grab_super_passive()
  fanotify: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
  Cachefiles: Fix up scripted S_ISDIR/S_ISREG/S_ISLNK conversions
  VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
  SELinux: Use d_is_positive() rather than testing dentry->d_inode
  Smack: Use d_is_positive() rather than testing dentry->d_inode
  TOMOYO: Use d_is_dir() rather than d_inode and S_ISDIR()
  Apparmor: Use d_is_positive/negative() rather than testing dentry->d_inode
  Apparmor: mediated_filesystem() should use dentry->d_sb not inode->i_sb
  VFS: Split DCACHE_FILE_TYPE into regular and special types
  VFS: Add a fallthrough flag for marking virtual dentries
  VFS: Add a whiteout dentry type
  VFS: Introduce inode-getting helpers for layered/unioned fs environments
  kernel: make READ_ONCE() valid on const arguments
  blk-throttle: check stats_cpu before reading it from sysfs
  ...

1 files changed, 49 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mailbox/altera-mailbox.txt b/Documentation/devicetree/bindings/mailbox/altera-mailbox.txt
new file mode 100644
index 000000000000..c2619797ce0c
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/altera-mailbox.txt
@@ -0,0 +1,49 @@
+Altera Mailbox Driver
+=====================
+
+Required properties:
+- compatible :	"altr,mailbox-1.0".
+- reg : 	physical base address of the mailbox and length of
+		memory mapped region.
+- #mbox-cells:	Common mailbox binding property to identify the number
+		of cells required for the mailbox specifier. Should be 1.
+
+Optional properties:
+- interrupt-parent :	interrupt source phandle.
+- interrupts :		interrupt number. The interrupt specifier format
+			depends on the interrupt controller parent.
+
+Example:
+	mbox_tx: mailbox@0x100 {
+		compatible = "altr,mailbox-1.0";
+		reg = <0x100 0x8>;
+		interrupt-parent = < &gic_0 >;
+		interrupts = <5>;
+		#mbox-cells = <1>;
+	};
+
+	mbox_rx: mailbox@0x200 {
+		compatible = "altr,mailbox-1.0";
+		reg = <0x200 0x8>;
+		interrupt-parent = < &gic_0 >;
+		interrupts = <6>;
+		#mbox-cells = <1>;
+	};
+
+Mailbox client
+===============
+"mboxes" and the optional "mbox-names" (please see
+Documentation/devicetree/bindings/mailbox/mailbox.txt for details). Each value
+of the mboxes property should contain a phandle to the mailbox controller
+device node and second argument is the channel index. It must be 0 (hardware
+support only one channel).The equivalent "mbox-names" property value can be
+used to give a name to the communication channel to be used by the client user.
+
+Example:
+	mclient0: mclient0@0x400 {
+		compatible = "client-1.0";
+		reg = <0x400 0x10>;
+		mbox-names = "mbox-tx", "mbox-rx";
+		mboxes = <&mbox_tx 0>,
+			 <&mbox_rx 0>;
+	};