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alistair23-linux/drivers
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Alan Cox 78137e3b34 [PATCH] tty: improve encode_baud_rate logic 
Mostly so people can see the work in progress.  This enhances the encode
function which isn't currently used in the base tree but is when using some of
the testing tty patches.

This resolves a problem with some hardware where applications got confusing
information from the tty ioctls.  Correct but confusing.

In some situations asking for, say, 9600 baud actually gets you 9595 baud or
similar near-miss values.  With the old code this meant that a request for
B9600 got a return of BOTHER, 9595 which programs interpreted as a failure.

The new code now works on the following basis

- If you ask for specific rate via BOTHER, you get a precise return

- If you ask for a standard Bfoo rate and the result is close you get a Bfoo
  return

- If you ask for a standard Bfoo rate and get something way off you get a
  BOTHER/rate return

This seems to fix up the cases I've found where this broke compatibility.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2007-02-11 10:51:32 -08:00
..
acorn [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
acpi [PATCH] wrong order of kzalloc arguments 2007-02-09 08:28:48 -08:00
amba [ARM] Fix __must_check warnings in drivers/bus/amba.c 2006-11-30 14:04:49 +00:00
ata libata: kill ATA_ENABLE_PATA 2007-02-09 17:39:40 -05:00
atm [PATCH] Get rid of "double zeroing" of allocated pages 2007-02-11 10:51:31 -08:00
auxdisplay [PATCH] drivers: add LCD support 2007-02-11 10:51:24 -08:00
base [PATCH] Drop __get_zone_counts() 2007-02-11 10:51:18 -08:00
block [PATCH] pktcdvd: cleanup 2007-02-11 10:51:28 -08:00
bluetooth [Bluetooth] Correct SCO buffer for Broadcom based Dell laptops 2007-01-09 00:29:59 -08:00
cdrom [PATCH] cdrom: set default timeout to 7 seconds 2007-01-03 17:32:54 -08:00
char [PATCH] tty: improve encode_baud_rate logic 2007-02-11 10:51:32 -08:00
clocksource [PATCH] clocksource: small cleanup 2006-12-10 09:57:22 -08:00
connector [PATCH] connector: some fixes for ia64 unaligned access errors 2007-01-05 23:55:29 -08:00
cpufreq [CPUFREQ] check sysfs_create_link return value 2007-01-29 00:06:27 -05:00
crypto Merge branch 'HEAD' of master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6 2007-02-08 15:25:18 -08:00
dio
…
dma [PATCH] slab: remove SLAB_KERNEL 2006-12-07 08:39:24 -08:00
edac [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
eisa
…
fc4 [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
firmware ACPICA: Remove duplicate table definitions (non-conflicting), cont 2007-02-02 21:14:29 -05:00
hid HID: move away from DEBUG defines in favor of CONFIG_HID_DEBUG 2007-02-05 10:00:45 +01:00
hwmon [PATCH] hwmon: ansify 2007-02-09 09:14:06 -08:00
i2c USB: <linux/usb_ch9.h> becomes <linux/usb/ch9.h> 2007-02-07 15:44:32 -08:00
ide [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
ieee1394 ieee1394: fix host device registering when nodemgr disabled 2007-02-08 21:36:22 +01:00
infiniband [PATCH] Transform kmem_cache_alloc()+memset(0) -> kmem_cache_zalloc(). 2007-02-11 10:51:27 -08:00
input [PATCH] Remove unnecessary memset(0) calls after kzalloc() calls. 2007-02-11 10:51:31 -08:00
isdn [PATCH] Char: tty_wakeup cleanup 2007-02-11 10:51:26 -08:00
kvm [PATCH] misc NULL noise removal 2007-02-09 09:14:07 -08:00
leds [PATCH] Fix leds-s3c24xx hardware.h reference 2007-01-05 23:55:21 -08:00
macintosh [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
mca
…
md [PATCH] remove invalidate_inode_pages() 2007-02-11 10:51:31 -08:00
media [PATCH] Get rid of "double zeroing" of allocated pages 2007-02-11 10:51:31 -08:00
message [SCSI] fusion: bump version 2007-01-06 09:32:49 -06:00
mfd [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
misc [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
mmc [PATCH] TIFM should depend on PCI - TIFM_CORE leads to use of pci primitives 2007-02-09 08:28:48 -08:00
mtd [PATCH] remove invalidate_inode_pages() 2007-02-11 10:51:31 -08:00
net Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-tc 2007-02-09 09:22:36 -08:00
nubus
…
oprofile [PATCH] struct path: convert oprofile 2006-12-08 08:28:48 -08:00
parisc [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
parport [PATCH] Kconfig refactoring for better menu nesting 2006-12-10 09:55:39 -08:00
pci devres: device resource management 2007-02-09 17:39:36 -05:00
pcmcia [PATCH] m32r: class_device -> device fallout 2007-02-09 08:28:48 -08:00
pnp [PATCH] Remove unnecessary memset(0) calls after kzalloc() calls. 2007-02-11 10:51:31 -08:00
ps3 [POWERPC] PS3: Move vuart declarations to ps3.h 2007-02-07 14:03:20 +11:00
rapidio
…
rtc [PATCH] rtc-pcf8563: detect polarity of century bit automatically 2007-02-09 09:25:46 -08:00
s390 [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
sbus [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
scsi [PATCH] Get rid of "double zeroing" of allocated pages 2007-02-11 10:51:31 -08:00
serial [PATCH] serial: serial_txx9 driver update 2007-02-11 10:51:27 -08:00
sh
…
sn [PATCH] IOC3/IOC4: PCI mem space resources 2007-02-11 10:51:25 -08:00
spi Revert "Driver core: convert SPI code to use struct device" 2007-02-07 21:34:08 -08:00
tc [PATCH] Char: tty_wakeup cleanup 2007-02-11 10:51:26 -08:00
telephony [PATCH] struct path: convert ixj 2006-12-08 08:28:46 -08:00
usb [PATCH] proc: remove useless (and buggy) ->nlink settings 2007-02-11 10:51:32 -08:00
video [TC] pmagb-b-fb: Convert to the driver model 2007-02-09 16:23:18 +00:00
w1 [PATCH] w1: Fix for kconfig entry typo 2006-12-13 09:05:48 -08:00
zorro [PATCH] struct path: convert zorro 2006-12-08 08:28:50 -08:00
Kconfig [PATCH] drivers: add LCD support 2007-02-11 10:51:24 -08:00
Makefile [PATCH] drivers: add LCD support 2007-02-11 10:51:24 -08:00