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b129a8ccd5
linux/drivers/serial
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Russell King b129a8ccd5 [SERIAL] Clean up and fix tty transmission start/stoping 
The start_tx and stop_tx methods were passed a flag to indicate
whether the start/stop was from the tty start/stop callbacks, and
some drivers used this flag to decide whether to ask the UART to
immediately stop transmission (where the UART supports such a
feature.)

There are other cases when we wish this to occur - when CTS is
lowered, or if we change from soft to hard flow control and CTS
is inactive.  In these cases, this flag was false, and we would
allow the transmitter to drain before stopping.

There is really only one case where we want to let the transmitter
drain before disabling, and that's when we run out of characters
to send.

Hence, re-jig the start_tx and stop_tx methods to eliminate this
flag, and introduce new functions for the special "disable and
allow transmitter to drain" case.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2005-08-31 10:12:14 +01:00
..
cpm_uart [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
jsm [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
8250_accent.c [PATCH] Serial: Split 8250 port table 2005-06-27 11:12:54 +01:00
8250_acorn.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
8250_acpi.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
8250_boca.c [PATCH] Serial: Split 8250 port table 2005-06-27 11:12:54 +01:00
8250_early.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
8250_fourport.c [PATCH] Serial: Split 8250 port table 2005-06-27 11:12:54 +01:00
8250_gsc.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
8250_hp300.c [PATCH] Serial: Convert 8250_hp300 to use serial8250_{un,}register_port 2005-04-26 15:37:45 +01:00
8250_hub6.c [PATCH] Serial: Split 8250 port table 2005-06-27 11:12:54 +01:00
8250_mca.c [PATCH] Serial: Split 8250 port table 2005-06-27 11:12:54 +01:00
8250_pci.c Merge with Linus' 2.6 tree 2005-07-28 09:30:20 +01:00
8250_pnp.c [PATCH] serial: add MMIO support to 8250_pnp 2005-07-29 15:01:13 -07:00
8250.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
8250.h [PATCH] Serial: Mobility's 16550A ports need a helping hand 2005-06-23 15:05:41 +01:00
21285.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
68328serial.c [PATCH] 68328serial: sysrq should use emergency_reboot 2005-07-26 14:35:44 -07:00
68328serial.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
68360serial.c [PATCH] serial/68360serial: replace schedule_timeout() with msleep_interruptible() 2005-06-25 16:25:10 -07:00
amba-pl010.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
amba-pl011.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
au1x00_uart.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
clps711x.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
crisv10.c [PATCH] Serial: Remove linux/version.h 2005-07-16 09:59:00 +01:00
crisv10.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dz.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
dz.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
icom.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
icom.h [PATCH] serial/icom: Remove custom msescs_to_jiffies() macro 2005-06-25 16:25:01 -07:00
imx.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
ioc4_serial.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
ip22zilog.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
ip22zilog.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Kconfig [PATCH] Kconfig fix (amba on arm/versatile) 2005-08-23 18:43:42 -07:00
m32r_sio_reg.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
m32r_sio.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
m32r_sio.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile [PATCH] ARM: 2818/1: BAST - Use platform device for SuperIO 16550s 2005-07-18 10:24:32 +01:00
mcfserial.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mcfserial.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mpc52xx_uart.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
mpsc.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
mpsc.h [PATCH] ppc annotations: mpsc 2005-04-25 18:32:12 -07:00
mux.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
pmac_zilog.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
pmac_zilog.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pxa.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
s3c2410.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sa1100.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
serial_core.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
serial_cs.c [PATCH] pcmcia: fix many device IDs 2005-07-28 08:39:00 -07:00
serial_lh7a40x.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
serial_txx9.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sh-sci.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sh-sci.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sn_console.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
suncore.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
suncore.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sunsab.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sunsab.h [SUNSAB]: Defer register updates until transmitter is idle. 2005-05-11 11:34:32 -07:00
sunsu.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sunzilog.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
sunzilog.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
uart00.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
v850e_uart.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00
vr41xx_siu.c [SERIAL] Clean up and fix tty transmission start/stoping 2005-08-31 10:12:14 +01:00