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Manivannan Sadhasivam 6cf61b9bd7 tty: serial: Add modem control gpio support for STM32 UART 
STM32 UART controllers have the built in modem control support using
dedicated gpios which can be enabled using 'st,hw-flow-ctrl' flag in DT.
But there might be cases where the board design need to use different
gpios for modem control.

For supporting such cases, this commit adds modem control gpio support
to STM32 UART controller using mctrl_gpio driver.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Link: https://lore.kernel.org/r/20200420170204.24541-3-mani@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-15 12:24:15 +02:00
..
8250
drivers/tty: remove redundant assignment to variable i and rename it to ret
2020-04-16 16:12:34 +02:00
cpm_uart
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
jsm
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
21285.c
tty: serial: 21285: stop using the unused[] variable from struct uart_port
2019-12-19 20:10:28 +01:00
altera_jtaguart.c
tty: serial: Remove redundant license text
2017-11-08 13:08:12 +01:00
altera_uart.c
serial: altera: set RRDY flag also without irq
2018-02-28 13:30:09 +01:00
amba-pl010.c
tty/serial: Migrate amba-pl01* to use has_sysrq
2019-12-18 15:04:44 +01:00
amba-pl011.c
serial: amba-pl011: Make sure we initialize the port.lock spinlock
2020-05-05 16:24:22 +02:00
amba-pl011.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
apbuart.c
tty/serial: Migrate apbuart to use has_sysrq
2019-12-18 15:04:44 +01:00
apbuart.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ar933x_uart.c
serial: ar933x_uart: add RS485 support
2020-03-06 13:26:26 +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
tty/serial: atmel: Use uart_console() helper
2020-03-12 10:00:22 +01:00
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
tty/serial: digicolor: Fix digicolor-usart already registered warning
2019-06-10 19:08:31 +02:00
dz.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
dz.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
earlycon-arm-semihost.c
tty: serial: Remove redundant license text
2017-11-08 13:08:12 +01:00
earlycon-riscv-sbi.c
tty/serial: use uart_console_write in the RISC-V SBL early console
2019-01-23 15:41:50 -08:00
earlycon.c
serial: earlycon: prefer EARLYCON_DECLARE() variant
2020-03-07 09:52:01 +01:00
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
serial: fsl_lpuart: Change DMA failure messages to debug level
2020-04-23 15:53:44 +02:00
icom.c
tty: serial: Remove call to memset after pci_alloc_consistent
2019-09-04 12:43:44 +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: ifx6x60: Convert to GPIO descriptors
2020-03-12 10:03:54 +01:00
ifx6x60.h
tty: serial: ifx6x60: Convert to GPIO descriptors
2020-03-12 10:03:54 +01:00
imx.c
tty: imx serial: Implement support for reversing TX and RX polarity
2020-03-06 13:26:26 +01:00
ip22zilog.c
tty/serial: Migrate ip22zilog to use has_sysrq
2019-12-18 15:04:50 +01:00
ip22zilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
tty: serial: Add modem control gpio support for STM32 UART
2020-05-15 12:24:15 +02:00
kgdb_nmi.c
tty/serial: kgdb_nmi: use true,false for bool variable
2020-01-14 14:34:04 +01:00
kgdboc.c
kgdboc: Use for_each_console() helper
2020-02-10 12:34:43 -08:00
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, nand: onenand}: samsung: rename to fix build warning
2019-11-18 18:49:11 +01:00
max310x.c
serial: max310x: turn off transmitter before activating AutoCTS or auto transmitter flow control
2019-09-05 09:57:44 +02:00
max3100.c
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
mcf.c
tty: serial: Remove redundant license text
2017-11-08 13:08:12 +01:00
men_z135_uart.c
drivers: mcb: use symbol namespaces
2019-11-03 19:54:53 +01:00
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
serial: mps2-uart: Add parentheses around conditional in mps2_uart_shutdown
2019-01-31 19:34:10 +01:00
msm_serial.c
tty: serial: msm_serial: RX SW/FIFO mode fallback
2020-01-14 14:07:51 +01:00
mux.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
mvebu-uart.c
tty:serial:mvebu-uart:fix a wrong return
2020-03-05 21:26:34 +01:00
mxs-auart.c
tty/serial: Migrate mxs-auart to use has_sysrq
2019-12-18 15:04:53 +01:00
omap-serial.c
serial: omap: Convert to use GPIO descriptors
2020-04-16 16:12:33 +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
tty: serial: pch_uart: Use scnprintf() for avoiding potential buffer overflow
2020-03-18 12:59:29 +01:00
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
tty/serial: Migrate pmac_zilog to use has_sysrq
2019-12-18 15:04:56 +01:00
pmac_zilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
Revert "tty: serial: qcom_geni_serial: Use OPP API to set clk/perf state"
2020-05-06 14:29:02 +02:00
rda-uart.c
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
rp2.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
sa1100.c
tty/serial: Migrate sa1100 to use has_sysrq
2019-12-18 15:04:59 +01:00
samsung_tty.c
tty: serial: samsung: Correct clock selection logic
2020-05-15 12:24:15 +02:00
sb1250-duart.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
sc16is7xx.c
serial: sc16is7xx: Replace zero-length array with flexible-array member
2020-02-13 12:00:23 -08:00
sccnxp.c
tty/serial: Migrate sccnxp to use has_sysrq
2019-12-18 15:05:00 +01:00
serial_core.c
serial: core: Allow detach and attach serial device for console
2020-03-17 15:57:59 +01:00
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
tty/serial: Migrate serial_txx9 to use has_sysrq
2019-12-18 15:05:01 +01:00
serial-tegra.c
tty: serial: tegra: Handle RX transfer in PIO mode if DMA wasn't started
2020-02-10 12:32:13 -08:00
sh-sci.c
serial: sh-sci: Make sure status register SCxSR is read in correct sequence
2020-04-16 16:16:52 +02:00
sh-sci.h
serial: sh-sci: Drop unused include
2020-04-16 16:13:34 +02:00
sifive.c
tty: serial: Add CONSOLE_POLL support to SiFive UART
2020-03-18 11:07:13 +01:00
sirfsoc_uart.c
serial: sirf: Fix out-of-bounds access through DT alias
2018-02-28 15:30:00 +01:00
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
tty: serial: Add modem control gpio support for STM32 UART
2020-05-15 12:24:15 +02:00
stm32-usart.h
tty: serial: Add modem control gpio support for STM32 UART
2020-05-15 12:24:15 +02:00
suncore.c
tty: Use of_node_name_{eq,prefix} for node name comparisons
2018-12-17 16:12:17 +01:00
sunhv.c
serial: sunhv: Initialize lock for non-registered console
2020-04-16 16:16:52 +02:00
sunsab.c
tty/serial: Migrate sunsab to use has_sysrq
2019-12-18 15:05:05 +01:00
sunsab.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sunsu.c
tty/serial: Migrate sunsu to use has_sysrq
2019-12-18 15:05:06 +01:00
sunzilog.c
tty/serial: Migrate sunzilog to use has_sysrq
2019-12-18 15:05:08 +01:00
sunzilog.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tegra-tcu.c
serial: Add Tegra Combined UART driver
2019-01-30 09:31:31 +01:00
timbuart.c
tty: serial: Remove redundant license text
2017-11-08 13:08:12 +01:00
timbuart.h
tty: serial: Use the correct style for SPDX License Identifier
2020-03-07 09:52:01 +01:00
uartlite.c
Revert "serial-uartlite: Move the uart register"
2019-11-14 06:29:08 +08:00
ucc_uart.c
ARM: SoC-related driver updates
2020-02-08 14:04:19 -08:00
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
Merge 5.7-rc5 into tty-next
2020-05-11 08:55:10 +02:00
zs.c
TTY/Serial driver updates for 5.6-rc1
2020-01-29 10:13:27 -08:00
zs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00