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Angelo Dureghello f4eef224a0 serial: fsl_lpuart: add sysrq support when using dma 
Add handling of magic sysrq keys when using dma/edma.

Tested by sending BREAK followed by a sysrq command inside
a 5 secs time window, by:

echo 1 > /proc/sys/kernel/sysrq

BREAK + h, t, e, b, c

Tested also sending a command after 5 secs after BREAK, that's
properly ignored.

Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com>
Link: https://lore.kernel.org/r/20201004161144.1307174-1-angelo.dureghello@timesys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-10-05 13:32:30 +02:00
..
accessibility
Merge 5.9-rc3 into tty-next
2020-08-31 07:19:25 +02:00
acpi
ACPI: processor: Take over RCU-idle for C3-BM idle
2020-09-16 19:36:26 +02:00
amba
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android
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ata
Merge tag 'libata-5.9-2020-09-04' of git://git.kernel.dk/linux-block
2020-09-04 13:19:19 -07:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
auxdisplay
Merge tags 'auxdisplay-for-linus-v5.9-rc4', 'clang-format-for-linus-v5.9-rc4' and 'compiler-attributes-for-linus-v5.9-rc4' of git://github.com/ojeda/linux
2020-09-05 14:22:46 -07:00
base
Merge tag 'driver-core-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2020-09-13 09:02:59 -07:00
bcma
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block
rbd: require global CAP_SYS_ADMIN for mapping and unmapping
2020-09-07 13:14:30 +02:00
bluetooth
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bus
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cdrom
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char
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-08-30 15:53:44 -07:00
clk
clk: qcom: lpass: Correct goto target in lpass_core_sc7180_probe()
2020-09-10 13:42:35 -07:00
clocksource
Merge tag 'riscv-for-linus-5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
2020-09-20 10:51:11 -07:00
connector
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counter
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cpufreq
cpufreq: intel_pstate: Fix intel_pstate_get_hwp_max() for turbo disabled
2020-09-01 21:15:00 +02:00
cpuidle
Merge tag 'powerpc-5.9-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-09-18 11:48:25 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2020-08-30 15:53:44 -07:00
dax
dax: Fix stack overflow when mounting fsdax pmem device
2020-09-20 08:57:36 -07:00
dca
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devfreq
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dio
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dma
Merge tag 'dmaengine-fix-5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2020-09-04 12:12:39 -07:00
dma-buf
dma-buf: fence-chain: Document missing dma_fence_chain_init() parameter in kerneldoc
2020-09-03 17:47:02 +05:30
edac
EDAC/ghes: Check whether the driver is on the safe list correctly
2020-09-15 09:42:15 +02:00
eisa
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extcon
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firewire
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firmware
Merge tag 'efi-urgent-for-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-09-20 15:18:11 -07:00
fpga
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fsi
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gnss
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gpio
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gpu
tty/sysrq: Extend the sysrq_key_table to cover capital letters
2020-10-02 14:56:06 +02:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
2020-09-02 12:55:46 -07:00
hsi
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hv
Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2020-09-15 16:20:43 -07:00
hwmon
Merge tag 'hwmon-for-v5.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
2020-08-29 12:37:00 -07:00
hwspinlock
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hwtracing
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i2c
i2c: mxs: use MXS_DMA_CTRL_WAIT4END instead of DMA_CTRL_ACK
2020-09-18 23:11:44 +02:00
i3c
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ide
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idle
cpuidle: Make CPUIDLE_FLAG_TLB_FLUSHED generic
2020-08-26 12:41:53 +02:00
iio
Merge tag 'staging-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2020-09-13 09:15:20 -07:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-09-11 10:02:36 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-09-20 10:40:43 -07:00
interconnect
interconnect: qcom: Fix small BW votes being truncated to zero
2020-09-04 00:07:12 +03:00
iommu
iommu/amd: Restore IRTE.RemapEn bit for amd_iommu_activate_guest_mode
2020-09-18 11:17:19 +02:00
ipack
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irqchip
Merge tag 'irq-urgent-2020-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-08-30 11:56:54 -07:00
isdn
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leds
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lightnvm
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macintosh
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mailbox
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mcb
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md
dm: Call proper helper to determine dax support
2020-09-20 08:55:09 -07:00
media
Merge tag 'media/v5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
2020-09-03 08:22:16 -07:00
memory
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memstick
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message
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mfd
Merge tag 'mfd-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2020-08-28 10:15:33 -07:00
misc
Merge tag 'char-misc-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2020-09-13 08:52:21 -07:00
mmc
mmc: sdio: Use mmc_pre_req() / mmc_post_req()
2020-09-07 08:57:44 +02:00
most
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mtd
Revert "mtd: spi-nor: Add capability to disable flash quad mode"
2020-09-14 20:58:27 +05:30
mux
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net
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
nfc
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
ntb
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nubus
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nvdimm
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nvme
Merge tag 'block-5.9-2020-09-11' of git://git.kernel.dk/linux-block
2020-09-11 11:55:28 -07:00
nvmem
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of
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opp
Merge branch 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
2020-09-01 19:44:20 +02:00
oprofile
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parisc
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parport
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pci
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pcmcia
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perf
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phy
Merge tag 'phy-fixes-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy into char-misc-linus
2020-09-04 12:41:55 +02:00
pinctrl
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platform
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pnp
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power
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powercap
powercap: RAPL: Add support for Lakefield
2020-09-16 14:16:04 +02:00
pps
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ps3
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ptp
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pwm
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rapidio
rapidio: Replace 'select' DMAENGINES 'with depends on'
2020-09-05 19:52:54 +03:00
ras
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regulator
Merge tag 'regulator-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2020-09-11 11:25:55 -07:00
remoteproc
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reset
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rpmsg
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rtc
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s390
s390/zcrypt: fix kmalloc 256k failure
2020-09-14 10:08:07 +02:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2020-09-15 16:30:20 -07:00
sfi
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sh
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siox
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slimbus
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soc
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soundwire
soundwire: fix double free of dangling pointer
2020-09-03 14:10:19 +05:30
spi
Merge tag 'spi-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2020-09-11 11:35:55 -07:00
spmi
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ssb
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staging
Merge tag 'staging-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2020-09-13 09:15:20 -07:00
target
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2020-09-08 11:42:58 -07:00
tc
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tee
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thermal
Merge tag 'thermal-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
2020-09-04 12:49:03 -07:00
thunderbolt
Merge tag 'thunderbolt-for-v5.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-linus
2020-09-15 13:52:14 +02:00
tty
serial: fsl_lpuart: add sysrq support when using dma
2020-10-05 13:32:30 +02:00
uio
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usb
usblp: fix race between disconnect() and read()
2020-09-17 18:45:30 +02:00
vdpa
vdpa/mlx5: Avoid warnings about shifts on 32-bit platforms
2020-08-26 08:13:59 -04:00
vfio
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vhost
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-09-03 18:50:48 -07:00
video
fbcon: remove no-op fbcon_set_origin()
2020-10-02 15:50:19 +02:00
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
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watchdog
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xen
Merge tag 'for-linus-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2020-09-06 09:59:27 -07:00
zorro
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Kconfig
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Makefile
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