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57dcb6ec85
linux/drivers/tty/serial
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Emil Renner Berthing 57dcb6ec85 serial: 8250_dw: Add StarFive JH7100 quirk 
On the StarFive JH7100 RISC-V SoC the UART core clocks can't be set to
exactly 16 * 115200Hz and many other common bitrates. Trying this will
only result in a higher input clock, but low enough that the UART's
internal divisor can't come close enough to the baud rate target.
So rather than try to set the input clock it's better to skip the
clk_set_rate call and rely solely on the UART's internal divisor.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20211116150119.2171-15-kernel@esmil.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-25 18:33:45 +01:00
..
8250 serial: 8250_dw: Add StarFive JH7100 quirk 2021-11-25 18:33:45 +01:00
cpm_uart serial: cpm_uart: Protect udbg definitions by CONFIG_SERIAL_CPM_CONSOLE 2021-10-30 11:01:48 +02:00
jsm tty: serial: jsm: hold port lock when reporting modem line changes 2021-07-21 12:36:48 +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: drop low-latency workaround 2021-04-22 12:09:24 +02:00
altera_uart.c serial: altera_uart: drop low-latency workaround 2021-04-22 12:09:24 +02:00
amba-pl010.c serial: amba-pl010: drop low-latency workaround 2021-04-22 12:09:24 +02:00
amba-pl011.c arm: remove zte zx platform left-over 2021-11-25 18:30:52 +01:00
amba-pl011.h
apbuart.c serial: apbuart: drop low-latency workaround 2021-04-22 12:09:25 +02:00
apbuart.h
ar933x_uart.c serial: ar933x: drop low-latency workaround 2021-04-22 12:09:25 +02:00
arc_uart.c tty: cumulate and document tty_struct::flow* members 2021-05-13 16:57:16 +02:00
atmel_serial.c tty: serial: atmel: use macros instead of hardcoded values 2021-10-10 15:20:09 +02:00
atmel_serial.h
bcm63xx_uart.c serial: bcm63xx: drop low-latency workaround 2021-04-22 12:09:25 +02:00
clps711x.c
digicolor-usart.c
dz.c tty: serial: dz: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:11 +02:00
dz.h
earlycon-arm-semihost.c
earlycon-riscv-sbi.c
earlycon.c earlycon: simplify earlycon-table implementation 2020-12-04 15:49:48 +01:00
fsl_linflexuart.c tty: serial: linflexuart: Remove redundant check to simplify the code 2021-08-26 14:51:04 +02:00
fsl_lpuart.c tty: serial: fsl_lpuart: do software reset for imx7ulp and imx8qxp 2021-08-26 14:49:20 +02:00
icom.c tty: serial: icom: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:11 +02:00
icom.h
imx_earlycon.c tty: serial: imx: add imx earlycon driver 2020-07-29 17:11:02 +02:00
imx.c serial: imx: disable console clocks on unregister 2021-10-21 10:30:08 +02:00
ip22zilog.c tty: serial: ip22zilog: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
ip22zilog.h
Kconfig tty: serial: samsung: describe driver in KConfig 2021-10-05 14:04:13 +02:00
kgdb_nmi.c tty: drop put_tty_driver 2021-07-27 12:17:21 +02:00
kgdboc.c
lantiq.c tty/serial/lantiq: convert comma to semicolon 2020-12-28 16:10:50 +01:00
liteuart.c serial: liteuart: Add support for earlycon 2021-05-20 16:35:01 +02:00
lpc32xx_hs.c serial: lpc32xx_hs: drop low-latency workaround 2021-04-22 12:09:25 +02:00
Makefile Revert "tty: serial: Add UART driver for Cortina-Access platform" 2021-06-24 14:46:32 +02:00
max310x.c serial: max310x: Make max310x_remove() return void 2021-10-13 14:33:59 +02:00
max3100.c tty_port: drop last traces of low_latency 2021-01-07 16:17:32 +01:00
mcf.c serial: mcf: drop low-latency workaround 2021-04-22 12:09:25 +02:00
men_z135_uart.c tty: serial, fix kernel-doc 2020-08-18 13:51:18 +02:00
meson_uart.c tty: serial: meson: retrieve port FIFO size from DT 2021-05-20 16:11:20 +02:00
milbeaut_usio.c
mpc52xx_uart.c serial: mpc52xx_uart: drop low-latency workaround 2021-04-22 12:09:25 +02:00
mps2-uart.c
msm_serial.c serial: msm_serial: drop low-latency workaround 2021-04-22 12:09:25 +02:00
mux.c parisc: Make struct parisc_driver::remove() return void 2021-08-30 10:18:25 +02:00
mvebu-uart.c serial: mvebu-uart: fix driver's tx_empty callback 2021-09-14 10:07:10 +02:00
mxs-auart.c tty: make use of tty_get_{char,frame}_size 2021-06-15 14:03:27 +02:00
omap-serial.c serial: omap: Disable PM runtime autoidle to remove pm_runtime_irq_safe() 2021-07-29 17:03:04 +02:00
owl-uart.c serial: owl: drop low-latency workaround 2021-04-22 12:09:25 +02:00
pch_uart.c serial: pch_uart: fix build error with !CONFIG_DEBUG_FS 2021-03-23 10:31:09 +01:00
pic32_uart.c
pic32_uart.h
pmac_zilog.c tty: serial: pmac_zilog: include <linux/io.h> insteiad of <asm/io.h> 2021-05-13 18:29:12 +02:00
pmac_zilog.h tty: serial: pmac_zilog: Remove unused disposable variable 'garbage' 2020-11-13 15:28:27 +01:00
pxa.c
qcom_geni_serial.c serial: qcom_geni_serial: use DT aliases according to DT bindings 2021-06-24 14:51:28 +02:00
rda-uart.c serial: rda: drop low-latency workaround 2021-04-22 12:09:26 +02:00
rp2.c serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait' 2021-05-21 20:34:02 +02:00
sa1100.c serial: sa1100: drop low-latency workaround 2021-04-22 12:09:26 +02:00
samsung_tty.c tty: serial: samsung: Improve naming for common macro 2021-10-10 15:20:16 +02:00
sb1250-duart.c tty: serial: sb1250-duart: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
sc16is7xx.c serial: sc16is7xx: Make sc16is7xx_remove() return void 2021-10-13 14:34:07 +02:00
sccnxp.c
serial_core.c tty: serial, join uport checks in uart_port_shutdown() 2021-11-25 18:31:32 +01:00
serial_mctrl_gpio.c serial: mctrl_gpio: Fix passing zero to 'ERR_PTR' warning 2020-11-06 17:12:05 +01:00
serial_mctrl_gpio.h
serial_txx9.c tty: serial: txx9: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
serial-tegra.c serial: tegra: Use of_device_get_match_data 2021-08-26 14:51:10 +02:00
sh-sci.c serial: sh-sci: Add support to deassert/assert reset line 2021-11-25 18:32:13 +01:00
sh-sci.h serial: sh-sci: Add support for RZ/G2L SoC 2021-06-04 15:12:40 +02:00
sifive.c serial: sifive: set pointer to NULL rather than 0. 2021-10-05 14:54:21 +02:00
sprd_serial.c
st-asc.c tty: serial: st-asc: Demote a kernel-doc formatting abuse 2021-05-20 17:06:17 +02:00
stm32-usart.c serial: stm32: push DMA RX data before suspending 2021-10-26 19:18:47 +02:00
stm32-usart.h serial: stm32: update throttle and unthrottle ops for dma mode 2021-10-21 10:36:29 +02:00
suncore.c
sunhv.c
sunsab.c tty: serial: sunsab: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
sunsab.h
sunsu.c tty: serial: sunsu: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
sunzilog.c serial: sunzilog: Mark sunzilog_putchar() __maybe_unused 2021-10-26 19:15:04 +02:00
sunzilog.h
tegra-tcu.c serial: tegra-tcu: Reorder channel initialization 2021-06-15 14:02:06 +02:00
timbuart.c serial: timbuart: drop low-latency workaround 2021-04-22 12:09:26 +02:00
timbuart.h
uartlite.c tty: serial: uartlite: Prevent changing fixed parameters 2021-09-14 10:05:32 +02:00
ucc_uart.c firmware: replace HOTPLUG with UEVENT in FW_ACTION defines 2021-05-13 16:14:45 +02:00
vr41xx_siu.c tty: serial: vr41xx_siu: include <linux/io.h> instead of <asm/io.h> 2021-05-13 18:29:12 +02:00
vt8500_serial.c serial: vt8500: Use of_device_get_match_data 2021-08-26 14:51:10 +02:00
xilinx_uartps.c serial: xilinx_uartps: Fix race condition causing stuck TX 2021-10-26 19:17:05 +02:00
zs.c
zs.h