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

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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.
This commit is contained in:
Linus Torvalds
2013-02-21 13:41:04 -08:00
parent 74e1a2a393 9e17df37d7
commit 21eaab6d19
267 changed files with 6865 additions and 2528 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/mn10300/kernel/mn10300-serial.c
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@@ -524,7 +524,7 @@ static int mask_test_and_clear(volatile u8 *ptr, u8 mask)
static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port)
{
struct uart_icount *icount = &port->uart.icount;
struct tty_struct *tty = port->uart.state->port.tty;
struct tty_port *tport = &port->uart.state->port;
unsigned ix;
int count;
u8 st, ch, push, status, overrun;
@@ -534,10 +534,10 @@ static void mn10300_serial_receive_interrupt(struct mn10300_serial_port *port)
push = 0;
count = CIRC_CNT(port->rx_inp, port->rx_outp, MNSC_BUFFER_SIZE);
count = tty_buffer_request_room(tty, count);
count = tty_buffer_request_room(tport, count);
if (count == 0) {
if (!tty->low_latency)
tty_flip_buffer_push(tty);
if (!tport->low_latency)
tty_flip_buffer_push(tport);
return;
}
@@ -545,8 +545,8 @@ try_again:
/* pull chars out of the hat */
ix = ACCESS_ONCE(port->rx_outp);
if (CIRC_CNT(port->rx_inp, ix, MNSC_BUFFER_SIZE) == 0) {
if (push && !tty->low_latency)
tty_flip_buffer_push(tty);
if (push && !tport->low_latency)
tty_flip_buffer_push(tport);
return;
}
@@ -666,19 +666,19 @@ insert:
else
flag = TTY_NORMAL;
tty_insert_flip_char(tty, ch, flag);
tty_insert_flip_char(tport, ch, flag);
}
/* overrun is special, since it's reported immediately, and doesn't
* affect the current character
*/
if (overrun)
tty_insert_flip_char(tty, 0, TTY_OVERRUN);
tty_insert_flip_char(tport, 0, TTY_OVERRUN);
count--;
if (count <= 0) {
if (!tty->low_latency)
tty_flip_buffer_push(tty);
if (!tport->low_latency)
tty_flip_buffer_push(tport);
return;
}