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Russell King 9d778a6937 serial: avoid waking up closed serial ports on resume 
When we boot, serial ports remain in low power mode until they're used either
by userspace or for the kernel console.

However, if you suspend the system, and then resume, all serial ports will be
taken out of low power mode.  This is bad news for embedded devices where this
can mean higher power consumption.

Only bring a serial port out of low power mode if the port is being used as
the kernel console, or is in use by userspace.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: 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>
 		2008-02-05 09:44:09 -08:00
..
acorn/char
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acpi drivers/acpi/: Spelling fixes 2008-02-03 17:06:17 +02:00
amba
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ata drivers/ata/: Spelling fixes 2008-02-03 17:08:11 +02:00
atm
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auxdisplay
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base Driver core: Remove unneeded get_{device,driver}() calls. 2008-02-02 15:14:49 -08:00
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus 2008-02-04 08:00:54 -08:00
bluetooth pcmcia: replace kio_addr_t with unsigned int everywhere 2008-02-05 09:44:08 -08:00
cdrom ide-cd: move lba_to_msf() and msf_to_lba() to <linux/cdrom.h> 2008-02-01 23:09:24 +01:00
char pcmcia: convert some internal-only ioaddr_t to unsigned int 2008-02-05 09:44:08 -08:00
clocksource
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connector
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cpufreq
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cpuidle
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crypto
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dca
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dio dio: fix kernel-doc notation 2008-02-03 16:29:12 +02:00
dma
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edac drivers/edac/: Spelling fixes 2008-02-03 17:12:34 +02:00
eisa
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firewire firewire: fw-sbp2: Use sbp2 device-provided mgt orb timeout for logins 2008-01-30 22:22:29 +01:00
firmware drivers/firmware/: Spelling fixes 2008-02-03 17:13:40 +02:00
hid
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hwmon
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i2c PCI: Remove users of pci_enable_device_bars() 2008-02-01 15:04:27 -08:00
ide Spelling fixes: lenght->length 2008-02-03 15:42:53 +02:00
ieee1394 ieee1394: sbp2: fix bogus s/g access change 2008-02-02 13:48:16 +01:00
infiniband [SCSI] remove use_sg_chaining 2008-01-30 13:14:02 -06:00
input drivers/input/: Spelling fixes 2008-02-03 17:15:20 +02:00
isdn drivers/isdn/: Spelling fixes 2008-02-03 17:16:28 +02:00
leds
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lguest virtio: reset function 2008-02-04 23:50:03 +11:00
macintosh Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2008-02-04 07:58:52 -08:00
mca
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md
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media drivers/media/: Spelling fixes 2008-02-03 17:18:59 +02:00
message drivers/message/: Spelling fixes 2008-02-03 17:21:01 +02:00
mfd
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misc
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mmc
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mtd drivers/mtd/: Spelling fixes 2008-02-03 17:22:34 +02:00
net pcmcia/pcnet_cs: fix 'shadow variable' warning 2008-02-05 09:44:09 -08:00
nubus drivers/nubus/: Spelling fixes 2008-02-03 17:23:36 +02:00
of
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oprofile
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parisc drivers/parisc/: Spelling fixes 2008-02-03 17:24:37 +02:00
parport Spelling fixes: lenght->length 2008-02-03 15:42:53 +02:00
pci PCI: fix 4x section mismatch warnings 2008-02-02 15:08:04 -08:00
pcmcia drivers/pcmcia: add missing pci_dev_get 2008-02-05 09:44:09 -08:00
pnp
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power apm_power: check I.intval for zero value, we use it as the divisor 2008-02-02 02:44:34 +03:00
ps3
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rapidio Merge branch 'linux-2.6' 2008-01-31 11:25:51 +11:00
rtc
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s390 [SCSI] zfcp: fix sense_buffer access bug 2008-01-30 13:03:39 -06:00
sbus
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scsi pcmcia: convert some internal-only ioaddr_t to unsigned int 2008-02-05 09:44:08 -08:00
serial serial: avoid waking up closed serial ports on resume 2008-02-05 09:44:09 -08:00
sh
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sn
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spi Spelling fixes: lenght->length 2008-02-03 15:42:53 +02:00
ssb drivers/ssb/: Spelling fixes 2008-02-03 17:30:25 +02:00
tc
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telephony
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uio
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usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6 2008-02-02 14:29:33 +11:00
video drivers/video/: Spelling fixes 2008-02-03 17:31:49 +02:00
virtio virtio: balloon driver 2008-02-04 23:50:13 +11:00
w1
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watchdog drivers/watchdog/: Spelling fixes 2008-02-03 17:32:52 +02:00
xen
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zorro
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Kconfig virtio: Put the virtio under the virtualization menu 2008-02-04 23:50:05 +11:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus 2008-01-31 09:35:32 +11:00