Merge tag 'v3.9' into v4l_for_linus

Linux 3.9

* tag 'v3.9': (1099 commits)
  Linux 3.9
  vm: add no-mmu vm_iomap_memory() stub
  efivars: only check for duplicates on the registered list
  TTY: fix atime/mtime regression
  aio: fix possible invalid memory access when DEBUG is enabled
  parisc: use spin_lock_irqsave/spin_unlock_irqrestore for PTE updates
  parisc: disable -mlong-calls compiler option for kernel modules
  parisc: uaccess: fix compiler warnings caused by __put_user casting
  parisc: Change kunmap macro to static inline function
  parisc: Provide __ucmpdi2 to resolve undefined references in 32 bit builds.
  sparc64: Fix missing put_cpu_var() in tlb_batch_add_one() when not batching.
  Revert "gpio: pxa: set initcall level to module init"
  efi: Check EFI revision in setup_efi_vars
  x86, efi: Fix a build warning
  Revert "MIPS: page.h: Provide more readable definition for PAGE_MASK."
  kernel/hz.bc: ignore.
  Linux 3.9-rc8
  events: Protect access via task_subsys_state_check()
  net: fix incorrect credentials passing
  x86, microcode: Verify the family before dispatching microcode patching
  ...

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index ef9be7e1e190..1819b59aab2a 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -66,6 +66,7 @@
  *	port.
  * @flags: usb serial port flags
  * @write_wait: a wait_queue_head_t used by the port.
+ * @delta_msr_wait: modem-status-change wait queue
  * @work: work queue entry for the line discipline waking up.
  * @throttled: nonzero if the read urb is inactive to throttle the device
  * @throttle_req: nonzero if the tty wants to throttle us
@@ -112,6 +113,7 @@ struct usb_serial_port {
 
 	unsigned long		flags;
 	wait_queue_head_t	write_wait;
+	wait_queue_head_t	delta_msr_wait;
 	struct work_struct	work;
 	char			throttled;
 	char			throttle_req;