Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial patches from Greg Kroah-Hartman:
 "Here's the big tty/serial driver patches for 3.9-rc1.

  More tty port rework and fixes from Jiri here, as well as lots of
  individual serial driver updates and fixes.

  All of these have been in the linux-next tree for a while."

* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
  tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
  serial: imx: fix uninitialized variable warning
  serial: tegra: assume CONFIG_OF
  TTY: do not update atime/mtime on read/write
  lguest: select CONFIG_TTY to build properly.
  ARM defconfigs: add missing inclusions of linux/platform_device.h
  fb/exynos: include platform_device.h
  ARM: sa1100/assabet: include platform_device.h directly
  serial: imx: Fix recursive locking bug
  pps: Fix build breakage from decoupling pps from tty
  tty: Remove ancient hardpps()
  pps: Additional cleanups in uart_handle_dcd_change
  pps: Move timestamp read into PPS code proper
  pps: Don't crash the machine when exiting will do
  pps: Fix a use-after free bug when unregistering a source.
  pps: Use pps_lookup_dev to reduce ldisc coupling
  pps: Add pps_lookup_dev() function
  tty: serial: uartlite: Support uartlite on big and little endian systems
  tty: serial: uartlite: Fix sparse and checkpatch warnings
  serial/arc-uart: Miscll DT related updates (Grant's review comments)
  ...

Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 6b20fd66d4ad..60e48a11b66c 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -536,7 +536,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
  *      __tty_hangup            -       actual handler for hangup events
  *      @work: tty device
  *
- *      This can be called by the "eventd" kernel thread.  That is process
+ *      This can be called by a "kworker" kernel thread.  That is process
  *      synchronous but doesn't hold any locks, so we need to make sure we
  *      have the appropriate locks for what we're doing.
  *
@@ -977,8 +977,7 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
         else
                 i = -EIO;
         tty_ldisc_deref(ld);
-        if (i > 0)
-                inode->i_atime = current_fs_time(inode->i_sb);
+
         return i;
 }
 
@@ -1079,11 +1078,8 @@ static inline ssize_t do_tty_write(
                         break;
                 cond_resched();
         }
-        if (written) {
-                struct inode *inode = file->f_path.dentry->d_inode;
-                inode->i_mtime = current_fs_time(inode->i_sb);
+        if (written)
                 ret = written;
-        }
 out:
         tty_write_unlock(tty);
         return ret;