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5c8124a0f8
linux/drivers/tty
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Anton Vorontsov 5c8124a0f8 tty/serial/amba-pl011: Quiesce interrupts in poll_get_char 
We need to quiesce interrupts in the poll_get_char routine, otherwise,
if used with KGDB NMI debugger, we'll keep reentering the NMI.

Quiescing interrupts is pretty straightforward, except for TXIM
interrupt. The interrupt has "ready to transmit" meaning, so it's
almost always raised, and the only way to silence it is to mask it. But
that's OK, ops->start_tx will unmask it.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-26 13:51:32 -07:00
..
hvc tty/serial: remove CONFIG_EXPERIMENTAL dependencies 2012-09-18 16:19:27 +01:00
ipwireless tty: ipwireless: check ppp register worked 2012-09-17 04:45:30 -07:00
serial tty/serial/amba-pl011: Quiesce interrupts in poll_get_char 2012-09-26 13:51:32 -07:00
vt tty vt: Fix line garbage in virtual console on command line edition 2012-09-10 16:35:46 -07:00
amiserial.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
bfin_jtag_comm.c TTY: use tty_port_link_device 2012-08-13 16:50:19 -07:00
cyclades.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
ehv_bytechan.c TTY: use tty_port_register_device 2012-08-13 16:50:19 -07:00
isicom.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
Kconfig tty/serial: put (EXPERIMENTAL) marking back on N_GSM and SERIAL_IFX6X60 2012-09-18 17:17:56 +01:00
Makefile
moxa.c TTY: tty_alloc_driver() returns error pointers 2012-08-16 12:07:23 -07:00
moxa.h
mxser.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
mxser.h
n_gsm.c tty: n_gsm: Fix incorrect debug display 2012-09-17 04:45:30 -07:00
n_hdlc.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
n_r3964.c tty: localise the lock 2012-08-10 12:55:47 -07:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c Remove BUG_ON from n_tty_read() 2012-08-16 11:53:14 -07:00
nozomi.c TTY: use tty_port_register_device 2012-08-13 16:50:19 -07:00
pty.c pty: Fix locking bug on error path 2012-09-21 09:51:09 -07:00
rocket_int.h
rocket.c TTY: use tty_port_register_device 2012-08-13 16:50:19 -07:00
rocket.h
synclink_gt.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
synclink.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
synclinkmp.c serial: add a new helper function 2012-09-05 13:28:35 -07:00
sysrq.c sysrq: use SEND_SIG_FORCED instead of force_sig() 2012-04-05 15:25:50 -07:00
tty_audit.c
tty_buffer.c tty: hold lock across tty buffer finding and buffer filling 2012-04-09 12:12:45 -07:00
tty_io.c tty_register_device_attr updated for tty-next 2012-09-06 14:40:18 -07:00
tty_ioctl.c tty: Fix up PPC fallout from the termios move 2012-07-17 09:10:55 -07:00
tty_ldisc.c tty: localise the lock 2012-08-10 12:55:47 -07:00
tty_mutex.c tty: localise the lock 2012-08-10 12:55:47 -07:00
tty_port.c tty_register_device_attr updated for tty-next 2012-09-06 14:40:18 -07:00