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linux-sg2042
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Dmitry Torokhov d79e141c1c Input: i8042 - Trust firmware a bit more when probing on X86 
The error message "Can't read CTR while initializing i8042" appears on
Cherry Trail-based devices at each boot time:

  i8042: PNP: No PS/2 controller found. Probing ports directly.
  i8042: Can't read CTR while initializing i8042
  i8042: probe of i8042 failed with error -5

This happens because we historically do not trust firmware on X86 and,
while noting that PNP does not show keyboard or mouse devices, we still
charge ahead and try to probe the controller. Let's relax this a bit and if
results of PNP probe agree with the results of platform
initialization/quirks conclude that there is, in fact, no i8042.

While at it, let's avoid using x86_platform.i8042_detect() and instead
abort execution early if platform indicates that it can not possibly have
i8042 (x86_platform.legacy.i8042 equals X86_LEGACY_I8042_PLATFORM_ABSENT).

Reported-and-tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Cc: linux-input@vger.kernel.org
Link: http://lkml.kernel.org/r/1481317061-31486-3-git-send-email-dmitry.torokhov@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
 		2016-12-19 11:34:15 +01:00
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accessibility
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acpi Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-12-18 11:12:53 -08:00
amba
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android
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ata Merge branch 'for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata 2016-12-13 15:30:50 -08:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-06 21:33:19 -05:00
auxdisplay
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base Driver core patches for 4.10-rc1 2016-12-13 11:42:18 -08:00
bcma
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block A varied set of changes: 2016-12-16 11:23:34 -08:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-16 10:24:44 -08:00
bus ARM: SoC driver updates for v4.10 2016-12-15 16:03:25 -08:00
cdrom
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char virtio, vhost: new device, fixes, speedups 2016-12-15 18:13:41 -08:00
clk Merge branch 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm 2016-12-15 16:06:15 -08:00
clocksource ARM: SoC platform updates for v4.10 2016-12-15 15:39:02 -08:00
connector
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cpufreq Power management material for v4.10-rc1 2016-12-13 10:41:53 -08:00
cpuidle cpuidle: Add a kerneldoc comment to cpuidle_use_deepest_state() 2016-12-06 02:25:03 +01:00
crypto crypto: add virtio-crypto driver 2016-12-16 00:13:32 +02:00
dax libnvdimm for 4.10 2016-12-18 15:49:10 -08:00
dca
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devfreq devfreq: rk3399_dmc: Don't use OPP structures outside of RCU locks 2016-12-08 01:46:07 +01:00
dio
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dma dmaengine updates for 4.10-rc1 2016-12-14 20:42:45 -08:00
dma-buf
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edac edac: fix kernel-doc tags at the drivers/edac_*.h 2016-12-15 08:58:10 -02:00
eisa
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extcon sound updates for 4.10-rc1 2016-12-14 11:14:28 -08:00
firewire
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firmware ARM: SoC driver updates for v4.10 2016-12-15 16:03:25 -08:00
fmc
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fpga
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gpio Bulk GPIO changes for the v4.10 kernel cycle: 2016-12-13 07:54:57 -08:00
gpu Merge tag 'kvmgt-vfio-mdev-for-v4.10-rc1' of git://github.com/01org/gvt-linux 2016-12-17 16:47:31 -08:00
hid Merge branches 'for-4.10/asus', 'for-4.10/cp2112', 'for-4.10/i2c-hid-nopower', 'for-4.10/intel-ish', 'for-4.10/mayflash', 'for-4.10/microsoft-surface-3', 'for-4.10/multitouch', 'for-4.10/sony', 'for-4.10/udraw-ps3', 'for-4.10/upstream' and 'for-4.10/wacom/generic' into for-linus 2016-12-14 10:12:26 +01:00
hsi
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hv uio-hv-generic: new userspace i/o driver for VMBus 2016-12-06 11:52:49 +01:00
hwmon hwmon: (g762) Fix overflows and crash seen when writing limit attributes 2016-12-12 11:33:44 -08:00
hwspinlock
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hwtracing This release has a few updates: 2016-12-15 13:49:34 -08:00
i2c This release has a few updates: 2016-12-15 13:49:34 -08:00
ide
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idle Power management material for v4.10-rc1 2016-12-13 10:41:53 -08:00
iio
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infiniband rdma: fix buggy code that the compiler warns about 2016-12-15 12:18:42 -08:00
input Input: i8042 - Trust firmware a bit more when probing on X86 2016-12-19 11:34:15 +01:00
iommu IOMMU Updates for Linux v4.10 2016-12-15 12:24:14 -08:00
ipack
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irqchip arm64 updates for 4.10: 2016-12-13 16:39:21 -08:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-17 20:17:04 -08:00
leds leds: pca955x: Add ACPI support 2016-12-02 09:31:50 +01:00
lguest
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lightnvm Char/Misc driver patches for 4.10-rc1 2016-12-13 12:11:01 -08:00
macintosh
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mailbox ARM: SoC driver updates for v4.10 2016-12-15 16:03:25 -08:00
mcb
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md linux: drop __bitwise__ everywhere 2016-12-16 00:13:41 +02:00
media media updates for v4.10-rc1 2016-12-16 09:39:16 -08:00
memory
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memstick Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block 2016-12-13 10:19:16 -08:00
message SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
mfd platform-drivers-x86 for 4.10-2 2016-12-18 15:45:33 -08:00
misc powerpc updates for 4.10 2016-12-16 09:26:42 -08:00
mmc MMC core: 2016-12-14 10:55:56 -08:00
mtd MTD updates for v4.10-rc1: 2016-12-17 16:41:10 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-17 20:17:04 -08:00
nfc
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ntb
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nubus
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nvdimm libnvdimm for 4.10 2016-12-18 15:49:10 -08:00
nvme Updates for 4.10 kernel merge window 2016-12-15 12:03:32 -08:00
nvmem
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of pci-v4.10-changes 2016-12-15 12:46:48 -08:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-17 18:44:00 -08:00
parisc
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parport
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pci powerpc updates for 4.10 2016-12-16 09:26:42 -08:00
pcmcia drivers/pcmcia/m32r_pcc.c: check return from add_pcc_socket 2016-12-12 18:55:06 -08:00
perf
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phy SCSI misc on 20161213 2016-12-14 10:49:33 -08:00
pinctrl ARM: DT updates for v4.10 2016-12-15 15:50:24 -08:00
platform platform-drivers-x86 for 4.10-2 2016-12-18 15:45:33 -08:00
pnp
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power power supply and reset changes for the v4.10 series 2016-12-14 11:18:51 -08:00
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 2016-12-12 19:56:15 -08:00
pwm pwm: Changes for v4.10-rc1 2016-12-15 11:45:13 -08:00
rapidio
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ras
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regulator sound updates for 4.10-rc1 2016-12-14 11:14:28 -08:00
remoteproc remoteproc: qcom_adsp_pil: select qcom_scm 2016-12-09 16:16:56 -08:00
reset ARM: SoC driver updates for v4.10 2016-12-15 16:03:25 -08:00
rpmsg rpmsg updates for v4.10 2016-12-13 08:52:45 -08:00
rtc RTC for 4.10 2016-12-18 18:18:03 -08:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-12-16 09:05:25 -08:00
sbus
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scsi Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-12-14 11:12:25 -08:00
sfi
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sh lib: radix-tree: check accounting of existing slot replacement users 2016-12-12 18:55:08 -08:00
sn
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soc powerpc updates for 4.10 2016-12-16 09:26:42 -08:00
spi dmaengine updates for 4.10-rc1 2016-12-14 20:42:45 -08:00
spmi
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ssb
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staging Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs 2016-12-17 19:16:12 -08:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-16 10:24:44 -08:00
tc
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thermal Power management material for v4.10-rc1 2016-12-13 10:41:53 -08:00
thunderbolt Char/Misc driver patches for 4.10-rc1 2016-12-13 12:11:01 -08:00
tty dmaengine updates for 4.10-rc1 2016-12-14 20:42:45 -08:00
uio uio-hv-generic: store physical addresses instead of virtual 2016-12-10 14:57:58 +01:00
usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-16 10:24:44 -08:00
uwb
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vfio powerpc updates for 4.10 2016-12-16 09:26:42 -08:00
vhost Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-12-16 10:24:44 -08:00
video xen: features and fixes for 4.10 rc0 2016-12-13 16:07:55 -08:00
virt
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virtio virtio_mmio: Set dev.release() to avoid warning 2016-12-16 00:13:39 +02:00
vlynq
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vme
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w1
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watchdog ARM: SoC platform updates for v4.10 2016-12-15 15:39:02 -08:00
xen mm: use vmf->address instead of of vmf->virtual_address 2016-12-14 16:04:09 -08:00
zorro
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Kconfig
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Makefile
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