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01c194d927
linux/drivers/serial
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Alex Williamson 01c194d927 serial 8250: tighten test for using backup timer 
Thomas Koeller had reported an issue where a device that had been making use
of the UART_BUG_TXEN code in the 8250 driver was mistakenly being caught by
the backup timer test, causing the device to work improperly.

To fix this, tighten the test requirements to enable the backup timer
workaround.

The backup timer is really meant to catch UARTs that don't re-assert the THRE
interrupt.  The expectation is that they do initially assert THRE.  This patch
clarifies the test.

Signed-off-by: Alex Williamson <alex.williamson@hp.com>
Cc: Thomas Koeller <thomas@koeller.dyndns.org>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-28 08:58:30 -07:00
..
cpm_uart [POWERPC] cpm_uart: Allocate DPRAM memory for SMC ports on CPM2-based platforms. 2008-04-17 01:01:36 -05:00
jsm jsm: Remove further unneeded crud 2007-10-17 08:42:52 -07:00
8250_accent.c
8250_acorn.c [ARM] ecard: add ecardm_iomap() / ecardm_iounmap() 2007-05-11 17:19:02 +01:00
8250_au1x00.c
8250_boca.c
8250_early.c 8250_early: coding style 2008-02-08 09:22:25 -08:00
8250_exar_st16c554.c
8250_fourport.c
8250_gsc.c 8250_gsc: coding style 2008-02-08 09:22:25 -08:00
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: silence section mismatch warnings in 8250_pci 2008-04-28 08:58:29 -07:00
8250_pnp.c serial: add PNP ID GVC0303 for Archtek 3334BRV ISA modem 2008-03-04 16:35:09 -08:00
8250.c serial 8250: tighten test for using backup timer 2008-04-28 08:58:30 -07:00
8250.h
21285.c [ARM] 21285 serial: fix build error 2008-02-04 13:14:06 +00:00
68328serial.c Char: char/serial, remove SERIAL_TYPE_NORMAL redefines 2008-02-07 08:42:33 -08:00
68328serial.h
68360serial.c 68360serial: remove broken optimisation 2007-07-16 09:05:51 -07:00
amba-pl010.c [ARM] Fix 4417/1: Serial: Fix AMBA drivers locking 2007-06-05 19:39:49 +01:00
amba-pl011.c kgdb: kgdboc pl011 I/O module 2008-04-17 20:05:39 +02:00
atmel_serial.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
bfin_5xx.c Blackfin Serial Driver: fix bug - use mod_timer to replace only add_timer. 2008-04-25 04:36:47 +08:00
clps711x.c
crisv10.c crisv10: prepare for BKL push down 2008-04-28 08:58:28 -07:00
crisv10.h CRISv10 serial driver rewrite 2007-11-14 18:45:46 -08:00
dz.c dz: test after postfix decrement fails in dz_console_putchar() 2008-04-28 08:58:16 -07:00
dz.h dz: clean up and improve the setup of termios settings 2008-02-07 08:42:24 -08:00
icom.c kobject: convert icom to use kref, not kobject 2008-01-24 20:40:09 -08:00
icom.h Coding style fix drivers/serial/icom.h 2008-02-03 14:47:38 +02:00
imx.c Merge branch 'merge-fixes' into devel 2008-04-19 17:17:34 +01:00
ioc3_serial.c
ioc4_serial.c
ip22zilog.c IP22ZILOG: fix lockup and sysrq 2007-11-29 09:24:53 -08:00
ip22zilog.h
Kconfig consoles: polling support, kgdboc 2008-04-17 20:05:37 +02:00
kgdboc.c kgdb: fix kgdboc dynamic module configuration 2008-04-17 20:05:38 +02:00
m32r_sio_reg.h
m32r_sio.c drivers/serial/m32r_sio.c: correct use of ! and & 2008-03-04 16:35:16 -08:00
m32r_sio.h m32r: serial: remove M32R_SIO_SHARE_IRQS 2007-10-16 09:43:04 -07:00
Makefile consoles: polling support, kgdboc 2008-04-17 20:05:37 +02:00
mcf.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
mcfserial.c drivers: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:16:32 -04:00
mcfserial.h
mpc52xx_uart.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
mpsc.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
mux.c drivers/serial/: Spelling fixes 2008-02-03 17:29:25 +02:00
netx-serial.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
of_serial.c [POWERPC] Xilinx: of_serial support for Xilinx uart 16550. 2008-04-24 13:32:46 -05:00
pmac_zilog.c [POWERPC] Optionally use new device number for pmac_zilog 2007-09-22 14:49:21 +10:00
pmac_zilog.h
pnx8xxx_uart.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
pxa.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
s3c2410.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
sa1100.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
sb1250-duart.c BCM1480 serial build fix 2007-09-11 17:21:19 -07:00
sc26xx.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
serial_core.c uart_get_baud_rate: stop mangling termios 2008-04-28 08:58:30 -07:00
serial_cs.c pcmcia: replace kio_addr_t with unsigned int everywhere 2008-02-05 09:44:08 -08:00
serial_ks8695.c [ARM] 4411/1: KS8695: Another serial driver fix 2007-05-30 13:15:19 +01:00
serial_lh7a40x.c
serial_txx9.c serial: fix serial_txx9 console initialization 2007-10-30 08:06:55 -07:00
sh-sci.c sh: Add support for SH7723 CPU subtype. 2008-04-18 09:50:07 -07:00
sh-sci.h sh: Add support for SH7723 CPU subtype. 2008-04-18 09:50:07 -07:00
sn_console.c sn_console section mismatch warning 2007-07-16 09:05:53 -07:00
suncore.c [SERIAL]: Fix section mismatches in Sun serial console drivers. 2007-12-29 01:19:49 -08:00
suncore.h [SERIAL] sparc: Infrastructure to fix section mismatch bugs. 2007-12-12 07:36:34 -08:00
sunhv.c [SERIAL] sparc: Infrastructure to fix section mismatch bugs. 2007-12-12 07:36:34 -08:00
sunsab.c [SERIAL] sparc: Infrastructure to fix section mismatch bugs. 2007-12-12 07:36:34 -08:00
sunsab.h
sunsu.c [SERIAL] sparc: Infrastructure to fix section mismatch bugs. 2007-12-12 07:36:34 -08:00
sunzilog.c sparc: sunzilog uart order 2008-04-24 03:37:51 -07:00
sunzilog.h [SERIAL] sunzilog: Interrupt enable before ISR handler installed 2007-05-09 13:49:04 -07:00
uartlite.c serial: fix platform driver hotplug/coldplug 2008-04-15 19:35:40 -07:00
ucc_uart.c [POWERPC] QE: UCC nodes cleanup 2008-04-17 01:01:38 -05:00
v850e_uart.c
vr41xx_siu.c serial: add vr41xx_siu_early_setup() for serial console 2008-04-28 08:58:30 -07:00
zs.c zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00
zs.h zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00