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Keith Busch 26e5157133 PCI: Add Downstream Port Containment driver 
Add driver for the PCI Express Downstream Port Containment extended
capability.  DPC is an optional capability to contain uncorrectable errors
below a port.

For more information on DPC, please see PCI Express Base Specification
Revision 4, section 7.31, or view the PCI-SIG DPC ECN here:

  https://pcisig.com/sites/default/files/specification_documents/ECN_DPC_2012-02-09_finalized.pdf

When a DPC event is triggered, the hardware disables downstream links, so
the DPC driver schedules removal for all devices below this port.  This may
happen concurrently with a PCIe hotplug driver if enabled.  When all
downstream devices are removed and the link state transitions to disabled,
the DPC driver clears the DPC status and interrupt bits so the link may
retrain for a newly connected device.

[bhelgaas: clear (not set) DPC_CTL bits on remove, whitespace cleanup]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Lukas Wunner <lukas@wunner.de>
 		2016-05-03 10:39:24 -05:00
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accessibility
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acpi Merge branch 'acpi-processor' 2016-04-02 01:17:36 +02:00
amba
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android
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ata Merge branch 'for-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2016-03-18 20:06:46 -07:00
atm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-03-17 21:38:27 -07:00
auxdisplay
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base Power management and ACPI material for v4.6-rc1, part 2 2016-03-24 22:59:58 -07:00
bcma
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block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2016-03-26 15:53:16 -07:00
bluetooth
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bus arm[64] perf updates for 4.6: 2016-03-21 13:14:16 -07:00
cdrom
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char Revert "ppdev: use new parport device model" 2016-03-25 09:02:13 -07:00
clk clk: qcom: ipq4019: add some fixed clocks for ddrppl and fepll 2016-03-29 16:31:16 -07:00
clocksource Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-24 10:32:42 -07:00
connector
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cpufreq Power management and ACPI material for v4.6-rc1, part 2 2016-03-24 22:59:58 -07:00
cpuidle cpuidle: menu: Fall back to polling if next timer event is near 2016-03-21 15:50:28 +01:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2016-03-23 06:12:39 -07:00
dca
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devfreq PM / devfreq: Spelling s/frequnecy/frequency/ 2016-03-17 02:30:16 +01:00
dio
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dma asm-generic changes for 4.6 2016-03-24 23:13:48 -07:00
dma-buf dma-buf: Update docs for SYNC ioctl 2016-03-21 09:26:45 +01:00
edac EDAC queue for 4.6 2016-03-16 08:36:55 -07:00
eisa
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extcon
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firewire IEEE 1394 subsystem patch: 2016-03-25 08:52:25 -07:00
firmware kernel: add kcov code coverage 2016-03-22 15:36:02 -07:00
fmc
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fpga
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gpio gpio: xgene: Prevent NULL pointer dereference 2016-03-30 10:39:39 +02:00
gpu drm/udl: Use unlocked gem unreferencing 2016-04-01 13:22:33 +10:00
hid drivers/hid/uhid.c: check write() bitness using in_compat_syscall 2016-03-22 15:36:02 -07:00
hsi
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hv Char/Misc patches for 4.6-rc1 2016-03-17 13:47:50 -07:00
hwmon hwmon: (max1111) Return -ENODEV from max1111_read_channel if not instantiated 2016-03-27 10:37:48 -07:00
hwspinlock
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hwtracing
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i2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2016-03-22 12:47:40 -07:00
ide ide: palm_bk3710: test clock rate to avoid division by 0 2016-03-20 16:59:27 -04:00
idle intel_idle: Support for Intel Xeon Phi Processor x200 Product Family 2016-03-23 16:19:38 -04:00
iio - New Drivers 2016-03-18 10:15:11 -07:00
infiniband iser-target: Use ib_drain_qp 2016-03-30 20:05:15 -07:00
input Merge branch 'akpm' (patches from Andrew) 2016-03-25 16:59:11 -07:00
iommu IOMMU Updates for Linux v4.6 2016-03-22 11:57:43 -07:00
ipack
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irqchip irqchip/mbigen: Make CONFIG_HISILICON_IRQ_MBIGEN a hidden option 2016-03-23 12:02:29 +01:00
isdn Drivers: isdn: hisax: isac.c: Fix assignment and check into one expression. 2016-03-27 22:38:12 -04:00
leds platform-drivers-x86 for 4.6-1 2016-03-23 17:20:59 -07:00
lguest
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lightnvm lightnvm: do not load L2P table if not supported 2016-03-18 18:10:38 -07:00
macintosh
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mailbox Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2016-03-23 06:09:15 -07:00
mcb
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md Merge tag 'md/4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md 2016-03-21 14:18:10 -07:00
media v4l2-mc: avoid warning about unused variable 2016-04-03 07:03:49 -05:00
memory MTD updates for v4.6 2016-03-24 19:57:15 -07:00
memstick drivers/memstick/host/r592.c: avoid gcc-6 warning 2016-03-25 16:37:42 -07:00
message
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mfd - New Drivers 2016-03-18 10:15:11 -07:00
misc Merge branch 'mm-pkeys-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-20 19:08:56 -07:00
mmc MMC core: 2016-03-21 14:35:52 -07:00
mtd MTD updates for v4.6 2016-03-24 19:57:15 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-04-01 20:03:33 -05:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-03-19 10:05:34 -07:00
ntb NTB: Remove _addr functions from ntb_hw_amd 2016-03-26 11:44:33 -04:00
nubus
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nvdimm x86, pmem: use memcpy_mcsafe() for memcpy_from_pmem() 2016-03-28 17:19:31 -07:00
nvme nvme: avoid cqe corruption when update at the same time as read 2016-03-22 10:27:29 -06:00
nvmem
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of DeviceTree updates for 4.6: 2016-03-19 15:15:07 -07:00
oprofile
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parisc PCI changes for the v4.6 merge window: 2016-03-16 14:45:55 -07:00
parport
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pci PCI: Add Downstream Port Containment driver 2016-05-03 10:39:24 -05:00
pcmcia
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perf drivers/perf: arm_pmu: avoid NULL dereference when not using devicetree 2016-03-21 11:36:17 +00:00
phy
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pinctrl Merge branch 'akpm' (patches from Andrew) 2016-03-18 19:26:54 -07:00
platform Convert straggling drivers to new six-argument get_user_pages() 2016-04-02 18:35:05 -05:00
pnp
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power Power management and ACPI material for v4.6-rc1, part 2 2016-03-25 16:55:37 -07:00
powercap
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pps
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ps3
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ptp Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-03-15 12:13:56 -07:00
pwm pwm: omap-dmtimer: Add debug message for effective period and duty cycle 2016-03-23 17:11:48 +01:00
rapidio Convert straggling drivers to new six-argument get_user_pages() 2016-04-02 18:35:05 -05:00
ras
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regulator - New Drivers 2016-03-18 10:15:11 -07:00
remoteproc remoteproc: st: fix check of syscon_regmap_lookup_by_phandle() return value 2016-03-28 16:19:00 -07:00
reset
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rpmsg
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rtc RTC for 4.6 #2 2016-03-24 22:49:08 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-04-01 07:15:54 -05:00
sbus
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scsi SCSI misc on 20160326 2016-03-26 11:31:01 -07:00
sfi
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sh
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sn
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soc ARM: SoC driver updates for v4.6 2016-03-20 15:40:32 -07:00
spi dmaengine updates for 4.6 2016-03-17 12:34:54 -07:00
spmi
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ssb
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staging Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2016-03-25 08:48:31 -07:00
target target: add a new add_wwn_groups fabrics method 2016-03-30 20:06:44 -07:00
tc
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thermal Thermal: Ignore invalid trip points 2016-03-18 14:10:57 +08:00
thunderbolt
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tty xen: features and fixes for 4.6-rc0 2016-03-22 12:55:17 -07:00
uio
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usb The clk changes for this release cycle are mostly dominated by 2016-03-23 06:06:45 -07:00
uwb
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vfio VFIO updates for v4.6-rc1 2016-03-17 13:05:09 -07:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2016-03-22 12:41:14 -07:00
video The clk changes for this release cycle are mostly dominated by 2016-03-23 06:06:45 -07:00
virt
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virtio virtio/vhost: new features, performance improvements, cleanups 2016-03-20 13:28:18 -07:00
vlynq
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vme
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w1
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watchdog hpwdt: use nmi_panic() when kernel panics in NMI handler 2016-03-22 15:36:02 -07:00
xen xen: features and fixes for 4.6-rc0 2016-03-22 12:55:17 -07:00
zorro
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Kconfig
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Makefile
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