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v2.6.32.2
linux/drivers/serial
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Ian Jackson a4b8b8eb25 Serial: Do not read IIR in serial8250_start_tx when UART_BUG_TXEN 
commit 68cb4f8e24 upstream.

Do not read IIR in serial8250_start_tx when UART_BUG_TXEN

Reading the IIR clears some oustanding interrupts so it is not safe.
Instead, simply transmit immediately if the buffer is empty without
regard to IIR.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-12-18 14:04:18 -08:00
..
cpm_uart
Fix build of cpm_uart due to core changes
2009-09-24 17:01:22 +10:00
jsm
serial: kill off uart_info
2009-09-19 13:13:28 -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
serial: 8250_gsc: fix printk format error
2009-05-29 08:40:02 -07:00
8250_hp300.c
8250_hp300: coding style
2008-02-08 09:22:25 -08:00
8250_hub6.c
8250_hub6: codding style
2008-02-08 09:22:25 -08:00
8250_mca.c
…
8250_pci.c
serial: add support for the Lava Quattro PCI quad-port 16550A card
2009-11-12 07:25:57 -08:00
8250_pnp.c
serial: Update PNP IDs
2009-04-06 14:36:26 -07:00
8250.c
Serial: Do not read IIR in serial8250_start_tx when UART_BUG_TXEN
2009-12-18 14:04:18 -08:00
8250.h
serial: 8250: add IRQ trigger support
2009-09-19 13:13:19 -07:00
21285.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
68328serial.c
serial, 8250: remove NR_IRQ usage
2008-10-16 16:52:02 +02:00
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
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
amba-pl011.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
atmel_serial.c
atmel_serial: fix bad BUILD_BUG_ON() usage
2009-10-29 07:39:30 -07:00
bcm63xx_uart.c
bcm63xx_uart: Fix serial driver compile breakage.
2009-11-30 16:38:32 -08:00
bfin_5xx.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
bfin_sport_uart.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
bfin_sport_uart.h
Blackfin serial driver: this driver enable SPORTs on Blackfin emulate UART
2008-04-30 08:29:30 -07:00
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
dz: clean up and improve the setup of termios settings
2008-02-07 08:42:24 -08:00
icom.c
icom: convert space to tabs
2009-10-01 16:11:15 -07:00
icom.h
Coding style fix drivers/serial/icom.h
2008-02-03 14:47:38 +02:00
imx.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
ioc3_serial.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
ioc4_serial.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
ip22zilog.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
ip22zilog.h
…
Kconfig
uartlite: allow building for timberdale MFD
2009-10-01 16:11:12 -07:00
kgdboc.c
tty: The big operations rework
2008-04-30 08:29:47 -07:00
m32r_sio_reg.h
…
m32r_sio.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
m32r_sio.h
…
Makefile
MIPS: BCM63xx: Add serial driver for bcm63xx integrated UART.
2009-09-30 21:46:59 +02:00
max3100.c
spi: prefix modalias with "spi:"
2009-09-23 07:39:43 -07:00
mcf.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
mpc52xx_uart.c
drivers/serial/mpc52xx_uart.c: Use UPIO_MEM rather than SERIAL_IO_MEM
2009-10-15 09:58:28 -06:00
mpsc.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
msm_serial.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
msm_serial.h
msm_serial: serial driver for MSM7K onboard serial peripheral.
2009-06-22 11:32:25 -07:00
mux.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
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
tty/of_serial: add missing ns16550a id
2009-11-30 16:38:44 -08:00
pmac_zilog.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
pmac_zilog.h
…
pnx8xxx_uart.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
pxa.c
Merge branch 'origin' into for-linus
2009-09-24 21:22:33 +01:00
s3c24a0.c
ARM: S3C24XX: serial: Fix section mismatch warnings
2009-07-30 23:56:41 +01:00
s3c2400.c
ARM: S3C24XX: serial: Fix section mismatch warnings
2009-07-30 23:56:41 +01:00
s3c2410.c
ARM: S3C24XX: serial: Fix section mismatch warnings
2009-07-30 23:56:41 +01:00
s3c2412.c
ARM: S3C24XX: serial: Fix section mismatch warnings
2009-07-30 23:56:41 +01:00
s3c2440.c
ARM: S3C24XX: serial: Fix section mismatch warnings
2009-07-30 23:56:41 +01:00
s3c6400.c
ARM: S3C64XX: serial: Fix section mismatch warning
2009-07-30 23:56:41 +01:00
sa1100.c
ARM: Fix SA1100 Neponset serial section mismatch
2009-09-28 18:06:16 +01:00
samsung.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
samsung.h
serial: samsung.c: mark s3c24xx_serial_remove as __devexit
2009-06-22 11:32:24 -07:00
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
tty, serial: Fix race and NULL check in uart_close()
2009-10-12 10:21:33 -07:00
serial_cs.c
pcnet_cs: add cis of PreMax PE-200 ethernet pcmcia card
2009-10-29 22:51:25 -07:00
serial_ks8695.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
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
serial: sh-sci: disable callback typo fix
2009-11-06 17:23:04 +09:00
sh-sci.h
sh: Add initial support for SH7757 CPU subtype
2009-08-21 17:25:47 +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
serial: suncore: Fix RSC/LOM handling in sunserial_console_termios().
2009-11-24 14:09:56 -08:00
sunsab.h
…
sunsu.c
sunsu: Use sunserial_console_termios() in sunsu_console_setup().
2009-11-24 14:12:50 -08:00
sunzilog.c
serial: suncore: Fix RSC/LOM handling in sunserial_console_termios().
2009-11-24 14:09:56 -08:00
sunzilog.h
…
timbuart.c
serial: move delta_msr_wait into the tty_port
2009-09-19 13:13:31 -07:00
timbuart.h
serial: Added Timberdale UART driver
2009-06-11 08:51:06 -07:00
uartlite.c
uartlite: support shared interrupt lines
2009-09-19 13:13:38 -07:00
ucc_uart.c
serial: kill off uart_info
2009-09-19 13:13:28 -07:00
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
…