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b7206cbf02
linux/drivers
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Kenji Kaneshige b7206cbf02 PCI ASPM: support partial aspm enablement 
In the current implementation, ASPM L0s/L1 is disabled for all links
in the hierarchy if one of the link doesn't meet latency requirement.
But we can partially enable ASPM L0s/L1 on sub-tree in the hierarchy.
This patch allows partial L0s/L1 enablement in the hierarchy. And it
also reduce the calculation cost of ASPM configuration very much.

In the previous implementation, all links were enabled with the same
state. With this patch, enabled state for each link is determined
simply as follows (the 'requested' is from policy_to_aspm_state()).

    enabled = requested & (link->aspm_capable & link->aspm_disable)

Acked-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2009-09-09 13:29:48 -07:00
..
accessibility
acpi ACPI: export acpi_pci_root and friends 2009-09-09 13:29:22 -07:00
amba [ARM] amba: fix amba device resources 2009-07-05 22:39:08 +01:00
ata ata_piix: parallel scanning on PATA needs an extra locking 2009-08-31 17:25:00 -10:00
atm
auxdisplay
base PM / Driver Core: Kill dev_pm_ops platform warning for now 2009-08-10 23:41:18 +02:00
block aoe: allocate unused request_queue for sysfs 2009-09-09 14:10:18 +02:00
bluetooth headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
cdrom
char Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel 2009-09-07 11:38:30 -07:00
clocksource sh: CMT suspend/resume 2009-08-15 12:58:45 +09:00
connector connector: maintainer/mail update. 2009-07-21 12:43:51 -07:00
cpufreq [CPUFREQ] Re-enable cpufreq suspend and resume code 2009-09-01 12:45:08 -04:00
cpuidle
crypto crypto: padlock-aes - work around Nano CPU errata in CBC mode 2009-06-18 19:31:09 +08:00
dca
dio
dma Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2009-07-30 16:46:31 -07:00
edac amd64_edac: print debug statements only on error 2009-08-04 12:10:06 +02:00
eisa
firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-09-05 14:59:00 -07:00
firmware
gpio headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
gpu PCI/vgaarb: cleanup some warnings + cleanup some comments. 2009-09-09 13:29:41 -07:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2009-07-22 09:30:07 -07:00
hwmon hwmon: (asus_atk0110) Fix upper limit readings 2009-07-28 16:31:39 +02:00
i2c i2c-stu300: I2C STU300 stability updates 2009-08-20 22:27:58 +01:00
ide pcmcia: add CNF-CDROM-ID for ide 2009-08-14 13:09:32 -07:00
idle
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-07-06 14:03:44 -07:00
ieee802154
infiniband Merge branches 'ehca', 'misc', 'mlx4', 'mthca' and 'nes' into for-linus 2009-06-23 10:38:47 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-09-05 13:41:29 -07:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-08-04 15:38:34 -07:00
leds leds: after setting inverted attribute, we must update the LED 2009-08-26 20:06:53 -07:00
lguest lguest and virtio: cleanup struct definitions to Linux style. 2009-07-30 16:03:46 +09:30
macintosh m68k: count can reach 51, not 50 2009-08-26 23:14:49 +02:00
mca
md dm snapshot: fix on disk chunk size validation 2009-09-04 20:40:43 +01:00
media V4L/DVB (12502): gspca - sn9c20x: Fix gscpa sn9c20x build errors. 2009-08-31 02:24:54 -03:00
memstick
message fusion: mptsas, fix lock imbalance 2009-06-22 08:54:14 -05:00
mfd mfd: twl4030 irq fixes 2009-08-04 20:31:32 +02:00
misc cb710: use SG_MITER_TO_SG/SG_MITER_FROM_SG 2009-07-31 12:28:46 +02:00
mmc drivers/mmc: correct error-handling code 2009-08-07 10:39:56 -07:00
mtd mtd: nftl: fix offset alignments 2009-09-03 14:59:16 +01:00
net gianfar: Fix build. 2009-09-06 01:41:24 -07:00
nubus
of of/mdio: Add support function for Ethernet fixed-link property 2009-07-22 09:27:18 -07:00
oprofile oprofile: reset bt_lost_no_mapping with other stats 2009-07-10 12:35:36 +02:00
parisc parisc: hppb.c - fix printk format strings 2009-08-02 15:42:39 +02:00
parport parport/serial: add support for NetMos 9901 Multi-IO card 2009-06-30 18:55:59 -07:00
pci PCI ASPM: support partial aspm enablement 2009-09-09 13:29:48 -07:00
pcmcia yenta: Use pci_claim_resource 2009-09-09 13:29:19 -07:00
platform toshiba_acpi: return on a fail path 2009-08-28 15:17:07 -04:00
pnp Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release 2009-06-24 01:19:50 -04:00
power Merge git://git.infradead.org/users/cbou/battery-2.6.31 2009-07-30 16:45:53 -07:00
pps pps: fix incorrect verdict check 2009-08-26 20:06:52 -07:00
ps3
rapidio
regulator
rtc rtc: mark if rtc-cmos drivers were successfully registered 2009-07-29 19:10:35 -07:00
s390 [S390] drivers/s390: put NULL test before dereference 2009-08-23 18:10:00 +02:00
sbus sparc: Fix cleanup crash in bbc_envctrl_cleanup() 2009-07-17 10:28:19 -07:00
scsi [SCSI] mpt2sas: fix config request and diag reset deadlock 2009-08-14 09:16:05 -05:00
serial ARM: S3C64XX: serial: Fix a typo in Kconfig 2009-08-14 00:43:46 +01:00
sh
sn
spi spi_s3c24xx: fix transfer setup code 2009-08-18 16:31:13 -07:00
ssb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-07-09 20:33:18 -07:00
staging Staging: rspiusb: Fix buffer overflow 2009-08-07 16:12:03 -07:00
tc
telephony headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
thermal thermal_sys: check get_temp return value 2009-08-26 20:06:52 -07:00
uio
usb USB: fix oops on disconnect in cdc-acm 2009-08-07 16:05:14 -07:00
uwb
video PCI/GPU: implement VGA arbitration on Linux 2009-09-09 13:29:36 -07:00
virtio virtio: refactor find_vqs 2009-07-30 16:03:45 +09:30
vlynq vlynq: fix typo in Kconfig to enable debugging 2009-07-06 13:57:03 -07:00
w1 drivers/w1/masters/omap_hdq.c: fix missing mutex unlock 2009-08-07 10:39:55 -07:00
watchdog [WATCHDOG] ar7_wdt: fix path to ar7-specific headers 2009-08-15 13:05:01 +00:00
xen xen: Use kcalloc() in xen_init_IRQ() 2009-07-01 11:19:47 +02:00
zorro
Kconfig LinuxPPS: core support 2009-06-18 13:04:04 -07:00
Makefile LinuxPPS: core support 2009-06-18 13:04:04 -07:00