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Hans de Goede 7383354ad5 HID: logitech-dj/hidpp: Add info/warn/err messages about 27 MHz keyboard encryption 
By default 27 MHz Logitech keyboards send the keypresses to the receiver
in plain text. Logitech's Windows "Keyboard and Mouse settings" tool allows
configuring encryption for the keyboard wireless link.

Now there also is a Linux tool for setting this up:
https://gitlab.freedesktop.org/jwrdegoede/logitech-27mhz-keyboard-encryption-setup

Once a keyboard is paired in encrypted mode, it will no longer work with
any receiver other then the receiver it was paired with.
If a user accidentally tries to pair another keyboard with the receiver
with which a keyboard has been paired in encrypted mode, then the receiver
looses the encryption key and the originally paired keyboard will no longer
work with either that receiver, or another receiver until the keyboard's
encryption key is rewritten by another encrypted mode pairing using the
tool. Or until it is reset by following a special reset procedure.

This commit adds 3 new log messages related to 27 MHz keyboard link
encryption to the Logitech dj / hidpp drivers:

1. An info level message when keyboard encryption is being used
2. A warning message when keyboard encryption is not used
3. An error message when the encryption key has been lost and the
   keyboard will not work because of this

Messages 2. and 3. contain a link to the userspace tool to setup the
encryption. The linked page also contains instructions to clear the key
(without needing the tool) to help a user recover from the keyboard not
working in case 3.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
 		2021-05-05 14:28:12 +02:00
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accessibility TTY/Serial driver updates for 5.13-rc1 2021-04-26 11:20:10 -07:00
acpi CFI on arm64 series for v5.13-rc1 2021-04-27 10:16:46 -07:00
amba
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android selinux/stable-5.13 PR 20210426 2021-04-27 13:42:11 -07:00
ata SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
atm Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
auxdisplay
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base regmap: Updates for v5.13 2021-04-26 16:21:16 -07:00
bcma bcma: remove unused function 2021-04-18 09:36:56 +03:00
block for-5.13/drivers-2021-04-27 2021-04-28 14:39:37 -07:00
bluetooth Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
bus ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
cdrom gdrom: fix compilation error 2021-04-11 19:32:06 -06:00
char A bunch of little cleanups 2021-04-28 15:54:57 -07:00
clk Here's a collection of largely clk driver updates for the merge window. The 2021-04-28 17:13:56 -07:00
clocksource ARM: platform support for Apple M1 2021-04-26 12:30:36 -07:00
comedi staging: comedi: move out of staging directory 2021-04-15 09:26:25 +02:00
connector
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counter
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cpufreq Power management updates for 5.13-rc1 2021-04-26 15:10:25 -07:00
cpuidle Merge back earlier cpuidle updates for v5.13. 2021-04-08 20:05:49 +02:00
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2021-04-26 08:51:23 -07:00
cxl cxl/mem: Fix memory device capacity probing 2021-04-16 18:21:56 -07:00
dax
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dca
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devfreq PM / devfreq: imx8m-ddrc: Remove unneeded of_match_ptr() 2021-04-08 13:14:51 +09:00
dio
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dma ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
dma-buf drm/syncobj: use newly allocated stub fences 2021-04-08 12:21:13 +02:00
edac
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eisa
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extcon - Core Frameworks 2021-04-28 15:59:13 -07:00
firewire The usual updates from the irq departement: 2021-04-26 09:43:16 -07:00
firmware sound updates for 5.13 2021-04-30 12:48:14 -07:00
fpga ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
fsi
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gnss
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gpio - Core Frameworks 2021-04-28 15:59:13 -07:00
gpu drm tegra-next + fixes for 5.13-rc1 2021-04-30 12:44:02 -07:00
greybus greybus: es2: fix kernel-doc warnings 2021-04-16 07:26:50 +02:00
hid HID: logitech-dj/hidpp: Add info/warn/err messages about 27 MHz keyboard encryption 2021-05-05 14:28:12 +02:00
hsi HSI: core: fix resource leaks in hsi_add_client_from_dt() 2021-04-16 00:14:49 +02:00
hv printk changes for 5.13 2021-04-27 18:09:44 -07:00
hwmon ACPI updates for 5.13-rc1 2021-04-26 15:03:23 -07:00
hwspinlock
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hwtracing coresight: etm-perf: Fix define build issue when built as module 2021-04-16 09:34:57 +02:00
i2c powerpc updates for 5.13 2021-04-30 12:22:28 -07:00
i3c
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ide
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idle intel_idle: add Iclelake-D support 2021-04-08 19:18:07 +02:00
iio spi: Updates for v5.13 2021-04-26 16:32:11 -07:00
infiniband Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
input - Core Frameworks 2021-04-28 15:59:13 -07:00
interconnect CFI on arm64 series for v5.13-rc1 2021-04-27 10:16:46 -07:00
iommu
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ipack
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irqchip - removed get_fs/set_fs 2021-04-29 11:28:08 -07:00
isdn
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leds treewide: change my e-mail address, fix my name 2021-04-09 14:54:23 -07:00
lightnvm lightnvm: deprecated OCSSD support and schedule it for removal in Linux 5.15 2021-04-13 09:16:12 -06:00
macintosh macintosh/via-pmu: Fix build warning 2021-04-16 23:57:51 +10:00
mailbox - qcom: enable support for SM8350 and SC7280 2021-04-28 16:10:33 -07:00
mcb
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md for-5.13/drivers-2021-04-27 2021-04-28 14:39:37 -07:00
media drm for 5.13-rc1 2021-04-28 10:01:40 -07:00
memory Power management updates for 5.13-rc1 2021-04-26 15:10:25 -07:00
memstick memstick: r592: ignore kfifo_out() return code again 2021-04-26 11:08:23 +02:00
message scsi: message: fusion: Remove unused local variable 'vtarget' 2021-04-13 01:39:12 -04:00
mfd - Core Frameworks 2021-04-28 15:59:13 -07:00
misc CFI on arm64 series for v5.13-rc1 2021-04-27 10:16:46 -07:00
mmc MMC core: 2021-04-28 15:56:51 -07:00
most Staging/IIO driver updates for 5.13-rc1 2021-04-26 11:14:21 -07:00
mtd printk changes for 5.13 2021-04-27 18:09:44 -07:00
mux
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net Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
nfc nfc: st-nci: remove unnecessary label 2021-04-13 14:50:57 -07:00
ntb
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nubus
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nvdimm libnvdimm/region: Fix nvdimm_has_flush() to handle ND_REGION_ASYNC 2021-04-09 21:56:01 -07:00
nvme for-5.13/drivers-2021-04-27 2021-04-28 14:39:37 -07:00
nvmem
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of Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
opp
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parisc
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parport
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pci Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
pcmcia
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perf
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phy Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
pinctrl ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
platform USB/Thunderbolt patches for 5.13-rc1 2021-04-26 11:32:23 -07:00
pnp
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power power supply and reset changes for the v5.13 series 2021-04-28 15:43:58 -07:00
powercap
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pps TTY/Serial driver updates for 5.13-rc1 2021-04-26 11:20:10 -07:00
ps3
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ptp
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pwm - Core Frameworks 2021-04-28 15:59:13 -07:00
rapidio
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ras RAS/CEC: Correct ce_add_elem()'s returned values 2021-04-07 11:52:26 +02:00
regulator - Core Frameworks 2021-04-28 15:59:13 -07:00
remoteproc
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reset sound updates for 5.13 2021-04-30 12:48:14 -07:00
rpmsg
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rtc - Core Frameworks 2021-04-28 15:59:13 -07:00
s390 Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
sbus
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scsi Networking changes for 5.13. 2021-04-29 11:57:23 -07:00
sh The usual updates from the irq departement: 2021-04-26 09:43:16 -07:00
siox
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slimbus
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soc ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
soundwire
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spi sound updates for 5.13 2021-04-30 12:48:14 -07:00
spmi
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ssb
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staging drm tegra-next + fixes for 5.13-rc1 2021-04-30 12:44:02 -07:00
target SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
tc
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tee ARM: SoC drivers for v5.13 2021-04-26 12:11:52 -07:00
thermal
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thunderbolt thunderbolt: Changes for v5.13 merge window 2021-04-13 12:17:14 +02:00
tty Power management updates for 5.13-rc1 2021-04-26 15:10:25 -07:00
uio
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usb SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
vdpa vdpa/mlx5: Set err = -ENOMEM in case dma_map_sg_attrs fails 2021-04-22 18:15:31 -04:00
vfio VFIO updates for v5.13-rc1 2021-04-28 17:19:47 -07:00
vhost SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
video drm tegra-next + fixes for 5.13-rc1 2021-04-30 12:44:02 -07:00
virt
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virtio
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visorbus
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vlynq
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vme
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w1 w1: ds28e17: Use module_w1_family to simplify the code 2021-04-10 10:58:21 +02:00
watchdog - Core Frameworks 2021-04-28 15:59:13 -07:00
xen SCSI misc on 20210428 2021-04-28 17:22:10 -07:00
zorro
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Kconfig staging: comedi: move out of staging directory 2021-04-15 09:26:25 +02:00
Makefile staging: comedi: move out of staging directory 2021-04-15 09:26:25 +02:00