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Rafael J. Wysocki 8b8bae901c PCI/ACPI: Report ASPM support to BIOS if not disabled from command line 
We need to distinguish the situation in which ASPM support is
disabled from the command line or through .config from the situation
in which it is disabled, because the hardware or BIOS can't handle
it.  In the former case we should not report ASPM support to the BIOS
through ACPI _OSC, but in the latter case we should do that.

Introduce pcie_aspm_support_enabled() that can be used by
acpi_pci_root_add() to determine whether or not it should report ASPM
support to the BIOS through _OSC.

Cc: stable@kernel.org
References: https://bugzilla.kernel.org/show_bug.cgi?id=29722
References: https://bugzilla.kernel.org/show_bug.cgi?id=20232
Reported-and-tested-by: Ortwin Glück <odi@odi.ch>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Tested-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
 		2011-03-21 09:38:02 -07:00
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accessibility
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acpi PCI/ACPI: Report ASPM support to BIOS if not disabled from command line 2011-03-21 09:38:02 -07:00
amba
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ata Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2011-03-18 06:31:43 -07:00
atm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
auxdisplay
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base Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2011-03-16 15:05:40 -07:00
block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
cdrom
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char Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
clk
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clocksource
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connector connector: Convert char *name to const char *name 2011-02-23 13:22:26 -08:00
cpufreq [CPUFREQ] Remove the pm_message_t argument from driver suspend 2011-03-16 17:54:33 -04:00
cpuidle
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crypto Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-16 17:28:10 -07:00
dca
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dio
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dma Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
edac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
eisa
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firewire ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver 2011-03-15 08:42:22 +01:00
firmware Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
gpio Merge branch 'spi/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-18 10:56:02 -07:00
gpu Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-03-19 22:27:06 -07:00
hwmon Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
hwspinlock
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i2c i2c-i801: SMBus patch for Intel DH89xxCC DeviceIDs 2011-03-20 14:50:53 +01:00
ide ide: change to new flag variable 2011-03-17 14:05:34 +01:00
idle
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ieee802154 ieee802154: change to new flag variable 2011-03-17 14:05:34 +01:00
infiniband Merge branch 'kvm-updates/2.6.39' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2011-03-17 18:40:35 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-03-19 22:27:06 -07:00
isdn Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
leds leds/leds-gpio: merge platform_driver with of_platform_driver 2011-02-28 01:36:39 -07:00
lguest
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macintosh Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2011-03-18 06:31:43 -07:00
mca
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md Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2011-03-17 17:54:40 -07:00
media Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-03-19 22:27:06 -07:00
memstick memstick: change to new flag variable 2011-03-17 14:05:34 +01:00
message Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
mfd Merge branch 'devel-stable' of master.kernel.org:/home/rmk/linux-2.6-arm 2011-03-17 19:08:06 -07:00
misc Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc 2011-03-18 22:32:40 -07:00
mtd Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6 2011-03-18 10:50:27 -07:00
net Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
nfc drivers/nfc/pn544.c: add missing regulator 2011-02-25 15:07:36 -08:00
nubus
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of Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-16 17:28:10 -07:00
oprofile
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parisc
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parport dt/sparc: Eliminate users of of_platform_{,un}register_driver 2011-02-28 01:36:39 -07:00
pci PCI/ACPI: Report ASPM support to BIOS if not disabled from command line 2011-03-21 09:38:02 -07:00
pcmcia Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-16 17:28:10 -07:00
platform Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
pnp
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power
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pps pps: change to new flag variable 2011-03-17 14:05:35 +01:00
ps3
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rapidio rapidio: change to new flag variable 2011-03-17 14:05:35 +01:00
regulator regulator, mc13xxx: Remove pointless test for unsigned less than zero 2011-02-25 08:51:07 +00:00
rtc Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2011-03-17 17:54:40 -07:00
sbus dt/sparc: Eliminate users of of_platform_{,un}register_driver 2011-02-28 01:36:39 -07:00
scsi Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
sfi
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sh
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sn
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spi Merge branch 'spi/next' of git://git.secretlab.ca/git/linux-2.6 2011-03-18 10:56:02 -07:00
ssb
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staging Merge branch 'config' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2011-03-16 17:21:00 -07:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
tc
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telephony
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thermal ACPI: Fix build for CONFIG_NET unset 2011-02-28 18:00:31 -08:00
tty Merge branch 'next' into for-linus 2011-03-18 23:38:50 -07:00
uio UIO: add PRUSS UIO driver support 2011-03-07 13:10:27 -08:00
usb USB: Move runtime PM callbacks to usb_device_pm_ops 2011-03-18 19:55:36 +01:00
uwb drivers:uwb:scan.c remove one to many l's in the word. 2011-02-25 11:52:21 -08:00
vhost
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video Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-03-20 18:14:55 -07:00
virtio
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vlynq
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w1
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watchdog Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-03-18 10:37:40 -07:00
xen Merge branch 'stable/xen.pm.bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen 2011-03-17 18:37:42 -07:00
zorro
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Kconfig
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Makefile
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