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George G. Davis 3689a0ec60 [PATCH] serial: make sure UART is powered up when dumping MCTRL status 
Since serial devices are powered down when not in use and some of those
devices cannot be accessed when powered down, we need to enable power
around calls to get_mcrtl() when dumping port state via uart_line_info().
This resolves hangs observed on some machines while reading serial device
registers when a port is powered off.

Signed-off-by: George G. Davis <gdavis@mvista.com>
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>
2007-02-14 08:09:52 -08:00
..
acorn [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
acpi i2c: Declare more i2c_adapter parent devices 2007-02-13 22:09:03 +01:00
amba
ata [POWERPC] Fixup mp5200 drivers to match device tree changes 2007-02-13 15:35:53 +11:00
atm [PATCH] Get rid of "double zeroing" of allocated pages 2007-02-11 10:51:31 -08:00
auxdisplay
base
block [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
bluetooth [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
cdrom [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
char Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog 2007-02-13 16:10:08 -08:00
clocksource
connector
cpufreq
crypto
dio
dma
edac [PATCH] EDAC: Add Fully-Buffered DIMM APIs to core 2007-02-12 09:48:32 -08:00
eisa
fc4
firmware [PATCH] docbook: add edd firmware interfaces 2007-02-11 10:51:32 -08:00
hid
hwmon i2c/vt8231: Remove superfluous initialization 2007-02-13 22:08:58 +01:00
i2c i2c: Remove the warning on missing adapter device 2007-02-13 22:09:04 +01:00
ide [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
ieee1394 i2c: Declare more i2c_adapter parent devices 2007-02-13 22:09:03 +01:00
infiniband Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 2007-02-13 21:16:39 -08:00
input [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
isdn [PATCH] mark struct file_operations const 3 2007-02-12 09:48:45 -08:00
kvm [PATCH] KVM: Host suspend/resume support 2007-02-12 09:48:41 -08:00
leds
macintosh [POWERPC] Correct AC Power: in /proc/pmu/info on ibook1 2007-02-13 15:35:52 +11:00
mca
md [PATCH] mark struct file_operations const 4 2007-02-12 09:48:45 -08:00
media i2c: Declare more i2c_adapter parent devices 2007-02-13 22:09:03 +01:00
message [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
mfd
misc [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2007-02-11 11:39:00 -08:00
mtd [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
net [TG3]: Update copyright, version, and reldate. 2007-02-13 12:18:46 -08:00
nubus
oprofile [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
parisc [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
parport
pci [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
pcmcia [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
pnp [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
ps3 [PATCH] ps3: disable display flipping during mode changes 2007-02-12 09:48:44 -08:00
rapidio [PATCH] rapidio: fix multi-switch enumeration 2007-02-11 11:18:07 -08:00
rtc i2c: Stop using i2c_adapter.class_dev 2007-02-13 22:09:04 +01:00
s390 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2007-02-12 09:57:44 -08:00
sbus [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
scsi [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
serial [PATCH] serial: make sure UART is powered up when dumping MCTRL status 2007-02-14 08:09:52 -08:00
sh
sn
spi [PATCH] SPI eeprom driver 2007-02-12 09:48:31 -08:00
tc [PATCH] Char: tty_wakeup cleanup 2007-02-11 10:51:26 -08:00
telephony [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
usb [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
video i2c: Declare more i2c_adapter parent devices 2007-02-13 22:09:03 +01:00
w1 [PATCH] w1: Use ARRAY_SIZE macro when appropriate 2007-02-12 09:48:28 -08:00
zorro [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
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