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511e74f330
linux/drivers/tty
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Russell King 511e74f330 SERIAL: omap: no need to re-read EFR 
There's no need to re-read EFR after we've recently written it; the
register is a configuration register which doesn't change its value
without us writing to it.  The last value which was written to this
register was up->efr.

Removing this re-reading avoids the possibility that we end up with
up->efr having unintended bits set, which should only be temporarily
set when accessing the enhanced features.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-04 11:26:00 +00:00
..
hvc Feature: 2012-10-12 22:20:28 +09:00
ipwireless Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
serial SERIAL: omap: no need to re-read EFR 2012-11-04 11:26:00 +00:00
vt KGDB/KDB fixes and cleanups 2012-10-13 11:16:58 +09:00
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 tty/powerpc: introduce the ePAPR embedded hypervisor byte channel driver 2011-08-23 10:32:56 -07:00
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_tracerouter and n_tracesink ldisc additions. 2011-05-13 16:31:00 -07:00
n_tracesink.c n_tracerouter and n_tracesink ldisc additions. 2011-05-13 16:31:00 -07:00
n_tracesink.h n_tracerouter and n_tracesink ldisc additions. 2011-05-13 16:31:00 -07:00
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 sparc64: Add global PMU register dumping via sysrq. 2012-10-16 09:34:01 -07:00
tty_audit.c userns: Convert audit to work with user namespaces enabled 2012-09-18 01:00:26 -07:00
tty_buffer.c tty: hold lock across tty buffer finding and buffer filling 2012-04-09 12:12:45 -07:00
tty_io.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -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 Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -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