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807c8d81f4
linux-next/drivers/tty
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Peter Hurley 807c8d81f4 tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 
Replace ASYNC_NORMAL_ACTIVE bit in the tty_port::flags field with
TTY_PORT_ACTIVE bit in the tty_port::iflags field. Introduce helpers
tty_port_set_active() and tty_port_active() to abstract atomic bit ops.

Extract state changes from port lock sections, as this usage is
broken and confused; the state transitions are protected by the
tty lock (which mutually excludes parallel open/close/hangup),
and no user tests the active state while holding the port lock.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-30 09:26:55 -07:00
..
hvc tty: Replace TTY_THROTTLED bit tests with tty_throttled() 2016-04-30 09:26:55 -07:00
ipwireless Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2015-04-14 09:50:27 -07:00
serial tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
vt tty: Replace TTY_THROTTLED bit tests with tty_throttled() 2016-04-30 09:26:55 -07:00
amiserial.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
bfin_jtag_comm.c TTY: bfin_jtag_comm: remove incorrect wait_until_sent operation 2015-03-07 03:44:14 +01:00
cyclades.c tty: Replace ASYNC_CTS_FLOW bit and update atomically 2016-04-30 09:26:55 -07:00
ehv_bytechan.c drivers/tty: make ehv_bytechan.c explicitly non-modular 2016-02-06 23:26:43 -08:00
goldfish.c tty: goldfish: support platform_device with id -1 2016-03-07 16:11:14 -08:00
isicom.c tty: Replace ASYNC_CTS_FLOW bit and update atomically 2016-04-30 09:26:55 -07:00
Kconfig tty: cyclades: cyz_interrupt is only used for PCI 2016-02-06 23:41:17 -08:00
Makefile TTY: Add MIPS EJTAG Fast Debug Channel TTY driver 2015-03-31 12:04:12 +02:00
metag_da.c tty/metag_da: Avoid module_init/module_exit in non-modular code 2015-06-16 14:12:31 -04:00
mips_ejtag_fdc.c ttyFDC: Fix build problems due to use of module_{init,exit} 2015-10-17 21:29:21 -07:00
moxa.c tty: Replace TTY_THROTTLED bit tests with tty_throttled() 2016-04-30 09:26:55 -07:00
moxa.h
mxser.c tty: Replace ASYNC_CTS_FLOW bit and update atomically 2016-04-30 09:26:55 -07:00
mxser.h
n_gsm.c TTY: n_gsm, fix false positive WARN_ON 2016-04-28 20:07:10 -07:00
n_hdlc.c TTY: n_hdlc, fix lockdep false positive 2016-02-06 23:27:46 -08:00
n_r3964.c tty: r3964: Replace/remove bogus tty lock use 2015-10-17 21:11:29 -07:00
n_tracerouter.c n_tracerouter: stop including <asm-generic/bug> 2015-10-15 00:21:10 +02:00
n_tracesink.c n_tracesink: stop including <asm-generic/bug> 2015-10-15 00:21:11 +02:00
n_tracesink.h
n_tty.c n_tty: Ignore all read data when closing 2016-01-28 14:13:44 -08:00
nozomi.c tty: Replace TTY_THROTTLED bit tests with tty_throttled() 2016-04-30 09:26:55 -07:00
pty.c tty: Replace TTY_IO_ERROR bit tests with tty_io_error() 2016-04-30 09:26:55 -07:00
rocket_int.h tty: rocket: Remove private close_wait 2016-01-28 14:13:44 -08:00
rocket.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
rocket.h tty: rocket: fix comment of ROCKET_SPD_HI 2015-05-24 12:49:16 -07:00
synclink_gt.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
synclink.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
synclinkmp.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00
sysrq.c sysrq: Fix warning in sysrq generated crash. 2015-12-29 16:29:18 -08:00
tty_audit.c tty: audit: remove unused variable 2016-03-07 16:11:14 -08:00
tty_buffer.c tty: Unify receive_buf() code paths 2016-01-28 14:13:44 -08:00
tty_io.c tty: Replace TTY_IO_ERROR bit tests with tty_io_error() 2016-04-30 09:26:55 -07:00
tty_ioctl.c tty: Replace TTY_THROTTLED bit tests with tty_throttled() 2016-04-30 09:26:55 -07:00
tty_ldisc.c tty: Eliminate global symbol tty_ldisc_N_TTY 2016-01-27 15:13:28 -08:00
tty_ldsem.c tty: Deinline __ldsem_down_write_nested, save 128 bytes 2015-12-13 19:59:48 -08:00
tty_mutex.c Merge 4.5-rc4 into tty-next 2016-02-14 14:36:04 -08:00
tty_port.c tty: Replace ASYNC_NORMAL_ACTIVE bit and update atomically 2016-04-30 09:26:55 -07:00