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Mathias Nyman 2f31a67f01 usb: xhci: Prevent bus suspend if a port connect change or polling state is detected 
USB3 roothub might autosuspend before a plugged USB3 device is detected,
causing USB3 device enumeration failure.

USB3 devices don't show up as connected and enabled until USB3 link trainig
completes. On a fast booting platform with a slow USB3 link training the
link might reach the connected enabled state just as the bus is suspending.

If this device is discovered first time by the xhci_bus_suspend() routine
it will be put to U3 suspended state like the other ports which failed to
suspend earlier.

The hub thread will notice the connect change and resume the bus,
moving the port back to U0

This U0 -> U3 -> U0 transition right after being connected seems to be
too much for some devices, causing them to first go to SS.Inactive state,
and finally end up stuck in a polling state with reset asserted

Fix this by failing the bus suspend if a port has a connect change or is
in a polling state in xhci_bus_suspend().

Don't do any port changes until all ports are checked, buffer all port
changes and only write them in the end if suspend can proceed

Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-11-15 09:17:40 -08:00
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accessibility
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acpi pwm: Changes for v4.20-rc1 2018-11-02 11:22:45 -07:00
amba
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android
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ata libata: Apply NOLPM quirk for SAMSUNG MZ7TD256HAFV-000L9 2018-10-26 08:21:04 -06:00
atm atm: zatm: Fix empty body Clang warnings 2018-10-18 15:39:10 -07:00
auxdisplay The Compiler Attributes series 2018-11-01 18:34:46 -07:00
base mm/memory_hotplug: fix online/offline_pages called w.o. mem_hotplug_lock 2018-10-31 08:54:17 -07:00
bcma
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block for-linus-20181102 2018-11-02 11:25:48 -07:00
bluetooth Merge branch 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-10-24 14:43:41 +01:00
bus ARM: SoC driver updates for 4.17 2018-10-29 15:16:01 -07:00
cdrom gdrom: fix mistake in assignment of error 2018-10-25 11:17:40 -06:00
char RTC for 4.20 2018-10-27 09:24:24 -07:00
clk This time it looks like a quieter release cycle in the clk tree. I guess that's 2018-10-31 11:08:30 -07:00
clocksource Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-04 08:15:15 -08:00
connector
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cpufreq cpufreq: remove unused arm_big_little_dt driver 2018-10-25 18:39:02 +02:00
cpuidle More power management updates for 4.20-rc1 2018-10-30 09:08:07 -07:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2018-10-25 16:43:35 -07:00
dax
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dca
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devfreq
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dio
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dma pci-v4.20-changes 2018-10-25 06:50:48 -07:00
dma-buf
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edac * skx_edac: Address translation for NVDIMMs (Tony Luck and Qiuxu Zhuo) 2018-11-02 11:17:22 -07:00
eisa
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extcon
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firewire
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firmware Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-03 18:25:17 -07:00
fmc
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fpga fpga: add devm_fpga_region_create 2018-10-16 11:13:50 +02:00
fsi iov_iter: Separate type from direction and use accessor functions 2018-10-24 00:41:07 +01:00
gnss
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gpio pci-v4.20-changes 2018-10-25 06:50:48 -07:00
gpu drm, i915, amdgpu, bridge + core quirk 2018-11-02 10:58:20 -07:00
hid platform-drivers-x86 for v4.20-1 2018-11-01 08:42:21 -07:00
hsi
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hv hv_balloon: Replace spin_is_locked() with lockdep 2018-10-15 20:54:17 +02:00
hwmon Lots of small changes to the IPMI driver. Most of the changes 2018-10-23 09:42:05 +01:00
hwspinlock
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hwtracing
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i2c i2c: Clear client->irq in i2c_device_remove 2018-10-31 23:33:34 +00:00
ide
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idle Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-10-23 13:32:18 +01:00
iio Staging/IIO patches for 4.20-rc1 2018-10-29 10:38:10 -07:00
infiniband Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks" 2018-10-26 16:25:19 -07:00
input Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax 2018-10-28 11:35:40 -07:00
iommu mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
ipack
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irqchip irqchip/irq-mvebu-sei: Fix a NULL vs IS_ERR() bug in probe function 2018-11-01 12:38:48 +01:00
isdn Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
leds leds: gpio: set led_dat->gpiod pointer for OF defined GPIO leds 2018-10-26 20:51:36 +02:00
lightnvm
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macintosh memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
mailbox - Convert print users to use the %pOFn format specifier 2018-10-29 10:30:44 -07:00
mcb
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md for-linus-20181102 2018-11-02 11:25:48 -07:00
media media updates for v4.20-rc1 2018-10-31 10:53:29 -07:00
memory
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memstick
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message
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mfd chrome-platform for v4.20 2018-10-31 16:47:55 -07:00
misc Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
mmc Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-10-23 13:32:18 +01:00
mtd This pull request contains updates for UBIFS: 2018-11-04 14:46:04 -08:00
mux This is the bulk of GPIO changes for the v4.20 series: 2018-10-23 08:45:05 +01:00
net NTB IDT thermal changes and hook into hwmon, ntb_netdev clean-up of 2018-11-04 08:12:44 -08:00
nfc NFC: nfcmrvl_uart: fix OF child-node lookup 2018-10-23 13:28:53 -05:00
ntb ntb: idt: Alter the driver info comments 2018-11-01 10:33:12 -04:00
nubus
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nvdimm libnvdimm for 4.20 2018-10-25 06:31:56 -07:00
nvme for-linus-20181102 2018-11-02 11:25:48 -07:00
nvmem nvmem: hide unused nvmem_find_cell_by_index function 2018-10-15 15:56:15 +02:00
of Devicetree fixes for v4.20-rc1: 2018-11-01 14:45:38 -07:00
opp
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oprofile
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parisc parisc: Add alternative coding infrastructure 2018-10-17 17:22:26 +02:00
parport
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pci Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax 2018-10-28 11:35:40 -07:00
pcmcia powerpc updates for 4.20 2018-10-26 14:36:21 -07:00
perf arm64 updates for 4.20: 2018-10-22 17:30:06 +01:00
phy USB/PHY patches for 4.20-rc1 2018-10-26 08:14:13 -07:00
pinctrl This is the bulk of GPIO changes for the v4.20 series: 2018-10-23 08:45:05 +01:00
platform platform-drivers-x86 for v4.20-1 2018-11-01 08:42:21 -07:00
pnp
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power Devicetree updates for 4.20: 2018-10-26 12:09:58 -07:00
powercap Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-10-23 13:32:18 +01:00
pps
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ps3
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ptp ptp: drop redundant kasprintf() to create worker name 2018-10-28 19:20:06 -07:00
pwm pwm: lpss: Only set update bit if we are actually changing the settings 2018-10-16 13:16:15 +02:00
rapidio
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ras
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regulator regulator: Regulator updates for next release 2018-10-23 01:54:44 +01:00
remoteproc remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump 2018-10-19 12:54:03 -07:00
reset ARM: SoC driver updates for 4.17 2018-10-29 15:16:01 -07:00
rpmsg
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rtc rtc: sc27xx: Always read normal alarm when registering RTC device 2018-10-25 02:35:42 +02:00
s390 mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
sbus
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scsi Kbuild updates for v4.20 (2nd) 2018-11-03 10:47:33 -07:00
sfi mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
sh
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siox
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slimbus
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sn
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soc soc: ti: QMSS: Fix usage of irq_set_affinity_hint 2018-11-02 11:22:09 -07:00
soundwire
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spi - New Drivers 2018-10-25 06:19:15 -07:00
spmi
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ssb
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staging media updates for v4.20-rc1 2018-10-31 10:53:29 -07:00
target SCSI misc on 20181102 2018-11-03 10:34:03 -07:00
tc
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tee
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thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2018-10-31 11:28:12 -07:00
thunderbolt
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tty mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
uio
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usb usb: xhci: Prevent bus suspend if a port connect change or polling state is detected 2018-11-15 09:17:40 -08:00
uwb
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vfio VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
vhost virtio, vhost: fixes, tweaks 2018-11-01 14:42:49 -07:00
video fbdev changes for v4.20: 2018-10-31 11:41:37 -07:00
virt
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virtio virtio-balloon: VIRTIO_BALLOON_F_PAGE_POISON 2018-10-24 20:57:55 -04:00
visorbus
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vlynq
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vme
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w1 w1: IAD Register is yet readable trough iad sys file. Fix snprintf (%u for unsigned, count for max size). 2018-10-15 20:50:32 +02:00
watchdog watchdog: ts4800: release syscon device node in ts4800_wdt_probe() 2018-10-22 10:16:28 +02:00
xen Merge branch 'work.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-11-01 19:58:52 -07:00
zorro
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Kconfig
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Makefile
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