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Erwan Le Ray 0e44f1e183 serial: stm32: fix DMA initialization error handling 
[ Upstream commit e7997f7ff7f8154d477f6f976698d868a2ac3934 ]

DMA initialization error handling is not properly implemented in the
driver.
Fix DMA initialization error handling by:
- moving TX DMA descriptor request error handling in a new dedicated
fallback_err label
- adding error handling to TX DMA descriptor submission
- adding error handling to RX DMA descriptor submission

This patch depends on '24832ca3ee85 ("tty: serial: stm32-usart: Remove set
but unused 'cookie' variables")' which unfortunately doesn't include a
"Fixes" tag.

Fixes: 3489187204eb ("serial: stm32: adding dma support")
Signed-off-by: Erwan Le Ray <erwan.leray@foss.st.com>
Link: https://lore.kernel.org/r/20210106162203.28854-2-erwan.leray@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-25 09:04:10 +01:00
..
8250
serial: 8250-mtk: Fix reference leak in mtk8250_probe
2020-12-30 11:53:23 +01:00
cpm_uart
tty: serial: cpm_uart: Fix behaviour for non existing GPIOs
2020-06-27 13:50:51 +02:00
jsm
tty: serial: Replace HTTP links with HTTPS ones
2020-07-21 20:04:54 +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
…
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
…
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
…
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
…
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
…
fsl_lpuart.c
tty: serial: fsl_lpuart: LS1021A has a FIFO size of 16 words, like LS1028A
2020-10-28 13:40:25 +01:00
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
…
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
Revert "serial: max310x: rework RX interrupt handling"
2021-03-17 17:06:31 +01:00
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
…
mpc52xx_uart.c
…
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: fix tx lost characters at power off
2021-01-27 11:55:16 +01:00
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
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
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
…
pxa.c
…
qcom_geni_serial.c
serial: qcom_geni_serial: To correct QUP Version detection logic
2020-09-30 09:12:03 +02:00
rda-uart.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
rp2.c
…
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: Set iobase to device index
2020-09-04 17:14:47 +02:00
sccnxp.c
…
serial_core.c
serial_core: Check for port state when tty is in error state
2020-12-26 16:02:43 +01:00
serial_mctrl_gpio.c
…
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
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
sh-sci.c
Revert "serial: sh-sci: Initialize spinlock for uart console"
2020-07-21 18:21:49 +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
…
stm32-usart.c
serial: stm32: fix DMA initialization error handling
2021-03-25 09:04:10 +01:00
stm32-usart.h
tty: serial: Add modem control gpio support for STM32 UART
2020-05-15 12:24:15 +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
tty: serial: uartlite: Replace HTTP links with HTTPS ones
2020-07-21 20:04:54 +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
…
vt8500_serial.c
…
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
…