iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/drivers/tty/serial
History
Lanqing Liu 39f8091926 serial: sprd: Add polling IO support 
In order to access the UART without the interrupts, the kernel uses
the basic polling methods for IO with the device. With these methods
implemented, it is now possible to enable kgdb during early boot over serial.

Signed-off-by: Lanqing Liu <liuhhome@gmail.com>
Reviewed-by: Baolin Wang <baolin.wang@linaro.org>
Tested-by: Baolin Wang <baolin.wang@linaro.org>
Link: https://lore.kernel.org/r/f112a741c053ac5fb0637e2f058be81e17f78ccc.1568862391.git.liuhhome@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-10-04 14:50:01 +02:00
..
8250
serial: 8250_pci: Implement MSI(-X) support
2019-09-04 12:43:55 +02:00
cpm_uart
tty: cpm_uart: drop unused iflag macro
2019-05-24 10:09:16 +02:00
jsm
tty: add SPDX identifiers to Kconfig and Makefiles
2019-04-04 18:48:43 +02:00
21285.c
…
altera_jtaguart.c
…
altera_uart.c
…
amba-pl010.c
…
amba-pl011.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
amba-pl011.h
…
apbuart.c
…
apbuart.h
…
ar933x_uart.c
serial: ar933x_uart: Fix build failure with disabled console
2019-03-19 15:37:44 +01:00
arc_uart.c
…
atmel_serial.c
tty/serial: atmel: remove unneeded atmel_get_lines_status function
2019-09-04 12:43:55 +02:00
atmel_serial.h
tty/serial: atmel: add ISO7816 support
2018-10-02 13:38:55 -07:00
bcm63xx_uart.c
…
clps711x.c
serial: clps711x: Remove board support
2019-01-08 16:55:18 +01:00
digicolor-usart.c
tty/serial: digicolor: Fix digicolor-usart already registered warning
2019-06-10 19:08:31 +02:00
dz.c
…
dz.h
…
earlycon-arm-semihost.c
…
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
earlycon: Remove hardcoded port->uartclk initialization in of_setup_earlycon
2018-05-14 13:41:05 +02:00
efm32-uart.c
…
fsl_linflexuart.c
tty: serial: fix platform_no_drv_owner.cocci warnings
2019-09-04 12:44:11 +02:00
fsl_lpuart.c
tty: serial: fsl_lpuart: Ignore TX/RX interrupts if DMA is enabled
2019-09-04 12:43:51 +02:00
icom.c
tty: serial: Remove call to memset after pci_alloc_consistent
2019-09-04 12:43:44 +02:00
icom.h
…
ifx6x60.c
…
ifx6x60.h
…
imx.c
serial: imx: adapt rx buffer and dma periods
2019-10-04 14:46:13 +02:00
ip22zilog.c
…
ip22zilog.h
…
Kconfig
TTY/Serial driver changes for 5.4-rc1
2019-09-18 10:50:47 -07:00
kgdb_nmi.c
…
kgdboc.c
kgdboc: disable the console lock when in kgdb
2019-07-30 17:39:39 +02:00
lantiq.c
serial: lantiq: Add support for Lightning Mountain SoC
2019-09-04 12:43:53 +02:00
lpc32xx_hs.c
TTY/Serial driver changes for 5.4-rc1
2019-09-18 10:50:47 -07:00
Makefile
TTY/Serial driver changes for 5.4-rc1
2019-09-18 10:50:47 -07:00
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
…
mcf.c
…
men_z135_uart.c
drivers: Remove explicit invocations of mmiowb()
2019-04-08 12:01:02 +01:00
meson_uart.c
tty: serial: meson: if no alias specified use an available id
2019-01-18 11:22:22 +01:00
milbeaut_usio.c
serial: milbeaut_usio: Fix error handling in probe and remove
2019-04-29 16:20:24 +02:00
mpc52xx_uart.c
…
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: avoid system lockup condition
2019-06-10 19:42:35 +02:00
mux.c
…
mvebu-uart.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
mxs-auart.c
serial: mxs-auart: Don't check for mctrl_gpio_to_gpiod() returning error
2019-09-04 12:43:54 +02:00
omap-serial.c
…
owl-uart.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
pch_uart.c
PCI: Move Rohm Vendor ID to generic list
2019-02-01 17:24:52 -06:00
pic32_uart.c
serial: set suppress_bind_attrs flag only if builtin
2018-11-09 09:07:17 -08:00
pic32_uart.h
…
pmac_zilog.c
tty: Use of_node_name_{eq,prefix} for node name comparisons
2018-12-17 16:12:17 +01:00
pmac_zilog.h
…
pnx8xxx_uart.c
…
pxa.c
serial: pxa: Fix an error handling path in 'serial_pxa_probe()'
2018-06-28 21:07:54 +09:00
qcom_geni_serial.c
tty: serial: qcom_geni_serial: use devm_platform_ioremap_resource() to simplify code
2019-09-04 12:43:50 +02:00
rda-uart.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
rp2.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
sa1100.c
serial: sa1100: add note about modem control signals
2019-06-04 12:56:33 +01:00
samsung.c
tty: serial: samsung: Enable baud clock during initialisation
2019-02-19 13:42:08 +01:00
samsung.h
…
sb1250-duart.c
…
sc16is7xx.c
Merge 5.1-rc6 into tty-next
2019-04-21 23:20:08 +02:00
sccnxp.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
serial_core.c
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
serial_mctrl_gpio.c
serial: mctrl_gpio: Use gpiod flags directly
2019-09-04 12:43:55 +02:00
serial_mctrl_gpio.h
serial: mctrl_gpio: Avoid probe failures in case of missing gpiolib
2019-09-04 12:43:50 +02:00
serial_txx9.c
drivers: Remove explicit invocations of mmiowb()
2019-04-08 12:01:02 +01:00
serial-tegra.c
serial: tegra: Add PIO mode support
2019-09-05 10:00:05 +02:00
sh-sci.c
serial: sh-sci: Don't check for mctrl_gpio_to_gpiod() returning error
2019-09-04 12:43:54 +02:00
sh-sci.h
serial: sh-sci: Support for HSCIF RX sampling point adjustment
2018-04-23 10:08:18 +02:00
sifive.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
sirfsoc_uart.c
…
sirfsoc_uart.h
…
sprd_serial.c
serial: sprd: Add polling IO support
2019-10-04 14:50:01 +02:00
st-asc.c
tty: serial: simplify getting .drvdata
2018-04-22 17:29:43 +02:00
stm32-usart.c
tty: Remove dev_err() usage after platform_get_irq()
2019-09-04 12:43:49 +02:00
stm32-usart.h
serial: stm32: add support of RX FIFO threshold
2019-06-21 11:17:36 +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
sunhv: Fix device naming inconsistency between sunhv_console and sunhv_reg
2019-06-13 14:04:37 -07:00
sunsab.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
sunsab.h
…
sunsu.c
TTY/Serial driver patches for 4.21-rc1
2018-12-28 20:33:54 -08:00
sunzilog.c
…
sunzilog.h
…
tegra-tcu.c
serial: Add Tegra Combined UART driver
2019-01-30 09:31:31 +01:00
timbuart.c
…
timbuart.h
…
uartlite.c
serial-uartlite: fix null pointer dereference on pointer port
2018-11-27 09:08:15 +01:00
ucc_uart.c
docs: serial: move it to the driver-api
2019-07-15 11:03:03 -03:00
vr41xx_siu.c
…
vt8500_serial.c
…
xilinx_uartps.c
xilinx_uartps.c: suppress "may be used uninitialised" warning
2019-09-04 12:43:49 +02:00
zs.c
…
zs.h
…