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Ulrich Hecht 49e2bcb7cf serial: sh-sci: fix break handling for sysrq 
[ Upstream commit 87b8061bad9bd4b549b2daf36ffbaa57be2789a2 ]

This fixes two issues that cause the sysrq sequence to be inadvertently
aborted on SCIF serial consoles:

- a NUL character remains in the RX queue after a break has been detected,
  which is then passed on to uart_handle_sysrq_char()
- the break interrupt is handled twice on controllers with multiplexed ERI
  and BRI interrupts

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20210816162201.28801-1-uli+renesas@fpond.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-18 13:40:29 +02:00
..
8250
serial: 8250_omap: Handle optional overrun-throttle-ms property
2021-09-18 13:40:25 +02:00
cpm_uart
tty: serial: cpm_uart: Fix behaviour for non existing GPIOs
2020-06-27 13:50:51 +02:00
jsm
tty: serial: jsm: hold port lock when reporting modem line changes
2021-09-18 13:40:20 +02:00
21285.c
tty: serial: 21285: fix lockup on open
2020-10-28 13:39:14 +01:00
altera_jtaguart.c
serial: altera_jtaguart: Replace HTTP links with HTTPS ones
2020-07-21 20:04:54 +02:00
altera_uart.c
…
amba-pl010.c
tty/serial: Migrate amba-pl01* to use has_sysrq
2019-12-18 15:04:44 +01:00
amba-pl011.c
serial: pl011: Fix lockdep splat when handling magic-sysrq interrupt
2020-09-30 14:31:04 +02:00
amba-pl011.h
…
apbuart.c
tty/serial: Migrate apbuart to use has_sysrq
2019-12-18 15:04:44 +01:00
apbuart.h
…
ar933x_uart.c
serial: ar933x_uart: disable clk on error handling path in probe
2020-11-12 09:41:07 +01:00
arc_uart.c
tty/serial: Migrate arc_uart to use has_sysrq
2019-12-18 15:04:45 +01:00
atmel_serial.c
Linux 5.9-rc3
2020-08-31 07:19:25 +02:00
atmel_serial.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
bcm63xx_uart.c
Revert "tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart"
2020-05-04 11:49:57 +02:00
clps711x.c
tty/serial: Migrate clps711x to use has_sysrq
2019-12-18 15:04:46 +01:00
digicolor-usart.c
…
dz.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
dz.h
…
earlycon-arm-semihost.c
…
earlycon-riscv-sbi.c
…
earlycon.c
tty: serial: print earlycon info after match->setup
2020-09-16 13:16:20 +02:00
efm32-uart.c
tty: serial: efm32: fix spelling mistake "reserverd" -> "reserved"
2020-02-19 11:38:58 +01:00
fsl_linflexuart.c
tty/serial: Migrate fsl_linflexuart to use has_sysrq
2019-12-18 15:04:48 +01:00
fsl_lpuart.c
tty: serial: fsl_lpuart: fix the wrong mapbase value
2021-09-15 09:50:44 +02:00
icom.c
tty: serial: icom: switch from 'pci_' to 'dma_' API
2020-09-04 18:07:20 +02:00
icom.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
ifx6x60.c
tty: serial, fix kernel-doc
2020-08-18 13:51:18 +02:00
ifx6x60.h
tty: serial: ifx6x60: Convert to GPIO descriptors
2020-03-12 10:03:54 +01:00
imx_earlycon.c
tty: serial: imx: add imx earlycon driver
2020-07-29 17:11:02 +02:00
imx.c
tty: serial: imx: keep console clocks always on
2020-11-12 09:39:53 +01:00
ip22zilog.c
tty/serial: Migrate ip22zilog to use has_sysrq
2019-12-18 15:04:50 +01:00
ip22zilog.h
…
Kconfig
tty: serial: imx: enable earlycon by default if IMX_SERIAL_CONSOLE is enabled
2020-11-06 17:23:49 +01:00
kgdb_nmi.c
kdb: Switch to use safer dbg_io_ops over console APIs
2020-06-26 15:40:16 +01:00
kgdboc.c
Linux 5.8-rc6
2020-07-20 09:39:11 +02:00
lantiq.c
serial: lantiq: Make driver modular
2020-05-15 12:22:19 +02:00
lpc32xx_hs.c
serial: lpc32xx_hs: Drop surplus include
2020-04-16 16:12:33 +02:00
Makefile
tty: serial: imx: add dependence and build for earlycon
2020-08-18 13:54:34 +02:00
max310x.c
serial: max310x: unregister uart driver in case of failure and abort
2021-06-03 09:00:40 +02:00
max3100.c
…
mcf.c
serial: mcf: add sysrq capability
2020-10-05 13:32:30 +02:00
men_z135_uart.c
tty: serial, fix kernel-doc
2020-08-18 13:51:18 +02:00
meson_uart.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
milbeaut_usio.c
tty/serial: Migrate milbeaut_usio to use has_sysrq
2019-12-18 15:04:51 +01:00
mpc52xx_uart.c
tty/serial: mpc52xx_uart: Don't zero port->sysrq
2019-12-18 15:04:52 +01:00
mps2-uart.c
…
msm_serial.c
serial: msm_serial: add sparse context annotation
2020-07-24 10:44:27 +02:00
mux.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
mvebu-uart.c
serial: mvebu-uart: correctly calculate minimal possible baudrate
2021-07-14 16:56:50 +02:00
mxs-auart.c
serial: mxs-auart: add missed iounmap() in probe failure and remove
2020-07-10 14:44:46 +02:00
omap-serial.c
serial: omap: fix rs485 half-duplex filtering
2021-05-14 09:50:21 +02:00
owl-uart.c
tty: serial: owl: add "much needed" clk_prepare_enable()
2020-04-23 15:46:30 +02:00
pch_uart.c
pch_uart: drop double zeroing
2020-09-27 14:17:43 +02:00
pic32_uart.c
serial: pic32_uart: Use uart_console() helper
2020-03-12 10:00:22 +01:00
pic32_uart.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
pmac_zilog.c
m68k: Fix WARNING splat in pmac_zilog driver
2020-12-30 11:54:11 +01:00
pmac_zilog.h
…
pnx8xxx_uart.c
tty/serial: Migrate pnx8xxx_uart to use has_sysrq
2019-12-18 15:04:57 +01:00
pxa.c
tty/serial: Migrate pxa to use has_sysrq
2019-12-18 15:04:57 +01:00
qcom_geni_serial.c
soc: qcom-geni-se: Cleanup the code to remove proxy votes
2021-04-07 15:00:13 +02:00
rda-uart.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rp2.c
serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'
2021-06-03 09:00:34 +02:00
sa1100.c
serial: sa1100: use platform_get_resource()
2020-08-18 15:02:06 +02:00
samsung_tty.c
serial: samsung: Removes the IRQ not found warning
2020-08-18 13:53:42 +02:00
sb1250-duart.c
MIPS: Replace SIBYTE_1956_WAR by CONFIG_SB1_PASS_2_WORKAROUNDS
2020-09-07 22:24:51 +02:00
sc16is7xx.c
sc16is7xx: Defer probe if device read fails
2021-05-14 09:49:58 +02:00
sccnxp.c
tty/serial: Migrate sccnxp to use has_sysrq
2019-12-18 15:05:00 +01:00
serial_core.c
serial: core: fix suspicious security_locked_down() call
2021-06-03 09:00:32 +02:00
serial_mctrl_gpio.c
serial: mctrl_gpio: Check for NULL pointer
2019-10-07 13:21:54 +02:00
serial_mctrl_gpio.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
serial_txx9.c
serial: txx9: add missing platform_driver_unregister() on error in serial_txx9_init
2020-11-06 17:24:41 +01:00
serial-tegra.c
serial: tegra: Only print FIFO error message when an error occurs
2021-08-12 13:22:14 +02:00
sh-sci.c
serial: sh-sci: fix break handling for sysrq
2021-09-18 13:40:29 +02:00
sh-sci.h
serial: sh-sci: Drop unused include
2020-04-16 16:13:34 +02:00
sifive.c
riscv: Fix sifive serial driver
2021-01-27 11:54:59 +01:00
sirfsoc_uart.c
…
sirfsoc_uart.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
sprd_serial.c
serial: sprd: remove redundant sprd_port cleanup
2020-03-18 12:20:04 +01:00
st-asc.c
tty: st-asc: switch to using devm_gpiod_get()
2020-01-10 14:01:33 +01:00
stm32-usart.c
serial: stm32: fix threaded interrupt handling
2021-06-10 13:39:22 +02:00
stm32-usart.h
serial: stm32: fix tx_empty condition
2021-05-14 09:50:08 +02:00
suncore.c
…
sunhv.c
Revert "serial: sunhv: Initialize lock for non-registered console"
2020-07-21 18:21:49 +02:00
sunsab.c
serial: sunsab: Return proper error code from console ->setup() hook
2020-06-25 14:21:28 +02:00
sunsab.h
…
sunsu.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sunzilog.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sunzilog.h
…
tegra-tcu.c
…
timbuart.c
tty: timbuart: convert tasklets to use new tasklet_setup() API
2020-08-18 13:33:13 +02:00
timbuart.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
uartlite.c
serial: tty: uartlite: fix console setup
2021-07-20 16:05:42 +02:00
ucc_uart.c
serial: ucc_uart: make qe_uart_set_mctrl() static
2020-09-16 13:14:58 +02:00
vr41xx_siu.c
tty/serial: Migrate vr41xx_siu to use has_sysrq
2019-12-18 15:05:09 +01:00
vt8500_serial.c
tty/serial: Migrate vt8500_serial to use has_sysrq
2019-12-18 15:05:09 +01:00
xilinx_uartps.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
zs.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
zs.h
…