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01c194d927
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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
..
acorn/char
acpi fix idle (arch, acpi and apm) and lockdep 2008-04-27 00:01:45 +02:00
amba
ata pata_bf54x: decrease count first. 2008-04-25 01:26:28 -04:00
atm drivers/atm: use time_before, time_before_eq, etc 2008-04-19 18:14:50 -07:00
auxdisplay
base bus_remove_device: be more careful about incomplete initialization 2008-04-22 17:40:36 -07:00
block return pfn from direct_access, for XIP 2008-04-28 08:58:23 -07:00
bluetooth hci_usb: remove code obfuscation 2008-04-19 18:17:26 -07:00
cdrom cdrom: use kmalloced buffers instead of buffers on stack 2008-04-21 09:50:08 +02:00
char char: make functions static in synclinkmp.c 2008-04-28 08:58:29 -07:00
clocksource
connector
cpufreq
cpuidle
crypto [CRYPTO] padlock-aes: Use generic setkey function 2008-04-21 10:19:34 +08:00
dca
dio
dma DMA engine: typo fixes 2008-04-21 22:38:45 +00:00
edac
eisa
firewire
firmware Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 2008-04-21 15:49:58 -07:00
gpio
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2008-04-25 12:38:14 -07:00
hwmon
i2c i2c: Fix platform driver hotplug/coldplug 2008-04-22 22:16:49 +02:00
ide ide-tape: remove tape->merge_stage 2008-04-27 15:38:34 +02:00
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2008-04-25 12:24:06 -07:00
infiniband RDMA/nes: Remove volatile qualifier from struct nes_hw_cq.cq_vbase 2008-04-23 11:55:45 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2008-04-27 10:10:37 -07:00
isdn Merge branch 'irq-cleanups-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 2008-04-21 15:56:19 -07:00
leds leds: Add default-on trigger 2008-04-25 00:06:52 +01:00
lguest
macintosh mac-hid: fix build after lockdep annotation 2008-04-25 18:57:09 -07:00
mca
md dm: remove md argument from specific_minor 2008-04-25 13:27:02 +01:00
media mm: remove nopage 2008-04-28 08:58:18 -07:00
memstick memstick: convert struct class_device to struct device 2008-04-19 19:10:29 -07:00
message SCSI: convert struct class_device to struct device 2008-04-19 19:10:33 -07:00
mfd Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-04-24 08:36:11 -07:00
misc Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2008-04-27 11:25:00 -07:00
mmc
mtd [MTD] m25p80: Add Support for ATMEL AT25DF641 64-Megabit SPI Flash 2008-04-25 09:14:23 +01:00
net Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2008-04-27 10:10:14 -07:00
nubus
of [POWERPC] drivers/of/of_i2c.c: Add MODULE_LICENSE 2008-04-24 20:58:01 +10:00
oprofile
parisc PCI: remove parisc consumer of the pci global_list 2008-04-20 21:47:01 -07:00
parport
pci intel-iommu.c: dma ops fix 2008-04-24 23:15:43 +02:00
pcmcia [ARM] pxa: fix 0e623941be 2008-04-21 12:52:03 +01:00
pnp pnpacpi: fix potential corruption on "pnpacpi: exceeded the max number of IRQ resources 2" 2008-04-23 12:22:13 -07:00
power
ps3
rapidio
rtc rtc: replace remaining __FUNCTION__ occurrences 2008-04-28 08:58:17 -07:00
s390 return pfn from direct_access, for XIP 2008-04-28 08:58:23 -07:00
sbus
scsi Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2008-04-27 11:25:00 -07:00
serial serial 8250: tighten test for using backup timer 2008-04-28 08:58:30 -07:00
sh
sn
spi
ssb ssb: Fix all-ones boardflags 2008-04-23 21:25:35 -04:00
tc
telephony
thermal
uio UIO: hold a reference to the device's owner while the device is open 2008-04-19 19:10:18 -07:00
usb usb: don't update devnum for wusb devices 2008-04-24 21:16:59 -07:00
video mm: remove nopage 2008-04-28 08:58:18 -07:00
virtio
w1
watchdog
xen xen: add balloon driver 2008-04-24 23:57:33 +02:00
zorro
Kconfig xen: add balloon driver 2008-04-24 23:57:33 +02:00
Makefile