redonkable/alistair23-linux
redonkable/alistair23-linux
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alistair23-linux/drivers/serial
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Valentin Longchamp 1c5250d616 serial: imx.c: fix CTS trigger level lower to avoid lost chars 
The imx CTS trigger level is left at its reset value that is 32
chars. Since the RX FIFO has 32 entries, when CTS is raised, the
FIFO already is full. However, some serial port devices first empty
their TX FIFO before stopping when CTS is raised, resulting in lost
chars.

This patch sets the trigger level lower so that other chars arrive
after CTS is raised, there is still room for 16 of them.

Signed-off-by: Valentin Longchamp<valentin.longchamp@epfl.ch>
Tested-by: Philippe Rétornaz<philippe.retornaz@epfl.ch>
Acked-by: Wolfram Sang<w.sang@pengutronix.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-13 12:10:56 -07:00
..
cpm_uart include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
jsm include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
8250.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
8250.h serial: 8250: add IRQ trigger support 2009-09-19 13:13:19 -07:00
8250_accent.c
8250_acorn.c
8250_boca.c
8250_early.c 8250: switch 8250 drivers to use _nocache ioremaps 2008-05-01 08:04:00 -07:00
8250_exar_st16c554.c
8250_fourport.c
8250_gsc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
8250_hp300.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
8250_hub6.c
8250_mca.c
8250_pci.c serial: add support for Korenix JetCard 2010-03-02 14:43:10 -08:00
8250_pnp.c serial: 8250_pnp - add Fujitsu Wacom device 2010-04-30 09:20:34 -07:00
21285.c ARM: 5874/1: serial21285: fix disable_irq-from-interrupt-handler deadlock 2010-01-11 15:39:21 +00:00
68328serial.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
68328serial.h
68360serial.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
amba-pl010.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
amba-pl011.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
apbuart.c apbuart: Use of_find_node_by_path to find root node. 2009-11-13 13:25:06 -08:00
apbuart.h sparc: Support for GRLIB APBUART serial port 2009-11-04 08:44:54 -08:00
atmel_serial.c serial: atmel_serial: add poll_get_char and poll_put_char uart_ops 2010-03-02 14:43:08 -08:00
bcm63xx_uart.c serial: bcm63xx_uart: allow more than one uart to be registered. 2010-03-02 14:43:19 -08:00
bfin_5xx.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
bfin_sport_uart.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
bfin_sport_uart.h serial: fit blackfin uart over sport driver into common uart infrastructure 2010-03-02 14:43:06 -08:00
clps711x.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
crisv10.c CRIS: fix defconfig build failure 2009-08-31 18:38:16 +02:00
crisv10.h tty: Use the generic RS485 ioctl on CRIS 2009-04-07 08:44:05 -07:00
dz.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
dz.h
icom.c tty: Fix up char drivers request_room usage 2010-03-02 14:43:22 -08:00
icom.h
imx.c serial: imx.c: fix CTS trigger level lower to avoid lost chars 2010-05-13 12:10:56 -07:00
ioc3_serial.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ioc4_serial.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
ip22zilog.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
ip22zilog.h
Kconfig Merge branch 'origin' into devel-stable 2010-03-08 20:21:04 +00:00
kgdboc.c tty: The big operations rework 2008-04-30 08:29:47 -07:00
m32r_sio.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
m32r_sio.h
m32r_sio_reg.h
Makefile ARM: S5PV210: Add serial port support 2010-01-26 09:50:01 +09:00
max3100.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
mcf.c m68knommu: allow 4 coldfire serial ports 2010-04-21 14:56:00 +10:00
mpc52xx_uart.c serial: mpc52xx_uart: fix null pointer dereference 2010-05-13 12:10:55 -07:00
mpsc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
msm_serial.c serial: fix test of unsigned 2010-03-02 14:43:11 -08:00
msm_serial.h msm_serial: serial driver for MSM7K onboard serial peripheral. 2009-06-22 11:32:25 -07:00
mux.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
netx-serial.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
nwpserial.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
of_serial.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pmac_zilog.c serial: drivers/serial/pmac_zilog.c: add missing unlock 2010-04-30 09:20:34 -07:00
pmac_zilog.h pmac-zilog: add platform driver 2010-02-27 18:31:02 +01:00
pnx8xxx_uart.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
pxa.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
s3c24a0.c ARM: S3C: Update Simtec copyright statements from , to - [2] 2009-12-01 01:33:51 +00:00
s3c2400.c ARM: S3C24XX: serial: Fix section mismatch warnings 2009-07-30 23:56:41 +01:00
s3c2410.c ARM: S3C: Update Simtec copyright statements from , to - [2] 2009-12-01 01:33:51 +00:00
s3c2412.c ARM: S3C2412: SoC has the fractional baud rate register 2010-02-03 01:55:01 +00:00
s3c2440.c ARM: S3C: Update Simtec copyright statements from , to - [2] 2009-12-01 01:33:51 +00:00
s3c6400.c ARM: S3C64XX: serial: Fix section mismatch warning 2009-07-30 23:56:41 +01:00
s5pv210.c ARM: S5PV210: Add serial port support 2010-01-26 09:50:01 +09:00
sa1100.c ARM: Fix SA1100 Neponset serial section mismatch 2009-09-28 18:06:16 +01:00
samsung.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-03-12 16:04:50 -08:00
samsung.h ARM: SAMSUNG: serial: Modify console initialization. 2010-01-19 17:50:47 +09:00
sb1250-duart.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
sc26xx.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
serial_core.c serial: Fix crash if the minimum rate of the device is > 9600 baud 2010-01-20 15:03:29 -08:00
serial_cs.c serial_cs: MD55x support (PCMCIA GPRS/EDGE modem) (kernel 2.6.33) 2010-04-17 17:53:32 +02:00
serial_ks8695.c ARM: 6030/1: KS8695: enable console 2010-04-23 10:01:56 +01:00
serial_lh7a40x.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
serial_txx9.c serial_txx9: use container_of() instead of direct cast 2009-10-01 16:11:15 -07:00
sh-sci.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sh-sci.h SH: fix SCIFA SCASCR register bit definitions 2010-03-23 13:33:45 +09:00
sn_console.c serial: kill off uart_info 2009-09-19 13:13:28 -07:00
suncore.c serial: suncore: Fix RSC/LOM handling in sunserial_console_termios(). 2009-11-24 14:09:56 -08:00
suncore.h serial: suncore: Fix RSC/LOM handling in sunserial_console_termios(). 2009-11-24 14:09:56 -08:00
sunhv.c serial: suncore: Fix RSC/LOM handling in sunserial_console_termios(). 2009-11-24 14:09:56 -08:00
sunsab.c drivers/serial/sunsab.c: adjust the constant used to initialize the interrupt_mask0 fields 2010-03-16 00:33:37 -07:00
sunsab.h
sunsu.c Merge branch 'master' into export-slabh 2010-04-05 11:37:28 +09:00
sunzilog.c serial: suncore: Fix RSC/LOM handling in sunserial_console_termios(). 2009-11-24 14:09:56 -08:00
sunzilog.h
timbuart.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
timbuart.h serial: Added Timberdale UART driver 2009-06-11 08:51:06 -07:00
uartlite.c uartlite: Fix build on sparc. 2010-03-19 07:17:54 -07:00
ucc_uart.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
vr41xx_siu.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
zs.c serial: move delta_msr_wait into the tty_port 2009-09-19 13:13:31 -07:00
zs.h