microsoft
/
WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/usb/serial
История
Johan Hovold 7c3d02285a USB: serial: ch341: fix receiver regression 
While assumed not to make a difference, not using the factor-2 prescaler
makes the receiver more susceptible to errors.

Specifically, there have been reports of problems with devices that
cannot generate a 115200 rate with a smaller error than 2.1% (e.g.
117647 bps). But this can also be reproduced with a low-speed RS232
tranceiver at 115200 when the input rate matches the nominal rate.

So whenever possible, enable the factor-2 prescaler and halve the
divisor in order to use settings closer to that of the previous
algorithm.

Fixes: 3571456508 ("USB: serial: ch341: reimplement line-speed handling")
Cc: stable <stable@vger.kernel.org>	# 5.5
Reported-by: Jakub Nantl <jn@forever.cz>
Tested-by: Jakub Nantl <jn@forever.cz>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
 		2020-02-10 10:10:35 +01:00
..
Kconfig usb: drop comment about 2 uhci drivers 2019-12-10 11:34:28 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile-keyspan_pda_fw USB: add SPDX identifiers to all remaining Makefiles 2017-11-07 15:53:48 +01:00
aircable.c USB: serial: fix module-license macros 2017-11-04 11:58:00 +01:00
ark3116.c USB: serial: ark3116: drop redundant init_termios 2019-04-26 08:37:53 +02:00
belkin_sa.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
belkin_sa.h docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
bus.c USB: serial: use tty_port_register_device() 2018-05-17 11:22:00 +02:00
ch341.c USB: serial: ch341: fix receiver regression 2020-02-10 10:10:35 +01:00
console.c USB: serial: console: fix reported terminal settings 2018-12-05 11:29:10 +01:00
cp210x.c usb-serial: cp201x: support Mark-10 digital force gauge 2019-11-18 12:24:29 +01:00
cyberjack.c USB: serial: cyberjack: fix spelling mistake "To" -> "Too" 2020-01-23 09:14:52 +01:00
cypress_m8.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
cypress_m8.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
digi_acceleport.c USB: serial: digi_acceleport: clean up set_termios 2019-04-21 14:24:12 +02:00
empeg.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
ezusb_convert.pl License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
f81232.c USB: serial: f81232: implement break control 2019-05-03 09:19:55 +02:00
f81534.c USB: serial: f81534: fix reading old/new IC config 2018-11-20 18:25:44 +01:00
ftdi_sio.c USB: serial: ftdi_sio: add device IDs for U-Blox C099-F9P 2019-11-14 18:55:31 +01:00
ftdi_sio.h USB: serial: ftdi_sio: add support for FT232R CBUS gpios 2018-10-05 08:57:06 +02:00
ftdi_sio_ids.h USB: serial: ftdi_sio: add device IDs for U-Blox C099-F9P 2019-11-14 18:55:31 +01:00
garmin_gps.c USB: serial: garmin_gps: Use flexible-array member 2020-01-17 11:44:23 +01:00
generic.c USB: serial: drop unnecessary goto 2019-04-30 10:25:04 +02:00
io_16654.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
io_edgeport.c USB: serial: io_edgeport: add missing active-port sanity check 2020-01-17 16:22:57 +01:00
io_edgeport.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
io_ionsp.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
io_ti.c io_ti: switch to ->get_serial() 2018-10-13 00:50:38 -04:00
io_ti.h USB: serial: io_ti: fix array underflow in completion handler 2018-08-27 11:52:34 +02:00
io_usbvend.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
ipaq.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
ipw.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
ir-usb.c USB: serial: ir-usb: Silence harmless uninitialized variable warning 2020-02-10 10:06:51 +01:00
iuu_phoenix.c USB: serial: iuu_phoenix: simplify init_termios 2019-04-26 08:38:00 +02:00
iuu_phoenix.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
keyspan.c USB: serial: keyspan: handle unbound ports 2020-01-17 16:22:58 +01:00
keyspan_pda.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
keyspan_usa26msg.h USB: serial: keyspan_usa: add proper SPDX lines for .h files 2019-01-18 11:09:32 +01:00
keyspan_usa28msg.h USB: serial: keyspan_usa: add proper SPDX lines for .h files 2019-01-18 11:09:32 +01:00
keyspan_usa49msg.h USB: serial: keyspan_usa: add proper SPDX lines for .h files 2019-01-18 11:09:32 +01:00
keyspan_usa67msg.h USB: serial: keyspan_usa: add proper SPDX lines for .h files 2019-01-18 11:09:32 +01:00
keyspan_usa90msg.h USB: serial: keyspan_usa: add proper SPDX lines for .h files 2019-01-18 11:09:32 +01:00
kl5kusb105.c USB: serial: kl5kusb105: remove KLSI device id 2018-07-11 10:11:29 +02:00
kl5kusb105.h USB: serial: kl5kusb105: remove KLSI device id 2018-07-11 10:11:29 +02:00
kobil_sct.c USB: serial: kobil_sct: add missing version error handling 2018-07-06 10:42:42 +02:00
kobil_sct.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mct_u232.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
mct_u232.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
metro-usb.c USB: serial: fix module-license macros 2017-11-04 11:58:00 +01:00
mos7720.c USB: serial: mos7720: fix remote wakeup 2019-11-12 09:53:07 +01:00
mos7840.c USB: serial: mos7840: drop port open flag 2019-11-12 09:57:32 +01:00
mxuport.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
navman.c USB: serial: fix module-license macros 2017-11-04 11:58:00 +01:00
omninet.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
opticon.c Here are the USB-serial updates for 5.6-rc1, including: 2020-01-27 10:21:22 +01:00
option.c USB: serial: option: add support for Quectel RM500Q in QDL mode 2020-01-16 16:54:34 +01:00
oti6858.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
oti6858.h USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
pl2303.c USB: serial: pl2303: add support for PL2303HXN 2019-10-23 10:52:16 +02:00
pl2303.h USB: serial: pl2303: add support for PL2303HXN 2019-10-23 10:52:16 +02:00
qcaux.c USB: serial: fix module-license macros 2017-11-04 11:58:00 +01:00
qcserial.c USB: serial: qcserial: add Sierra Wireless EM7565 2017-12-15 09:41:46 +01:00
quatech2.c USB: serial: quatech2: handle unbound ports 2020-01-17 16:22:59 +01:00
safe_serial.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
sierra.c USB: serial: sierra: use irqsave() in USB's complete callback 2018-06-26 15:22:25 +02:00
spcp8x5.c USB: serial: spcp8x5: simplify init_termios 2019-04-26 08:38:02 +02:00
ssu100.c ssu100: switch to ->get_serial() 2018-10-13 00:50:41 -04:00
symbolserial.c USB: serial: symbolserial: use irqsave() in USB's complete callback 2018-06-26 15:25:01 +02:00
ti_usb_3410_5052.c USB: serial: ti_usb_3410_5052: clean up serial data access 2019-10-16 10:29:23 +02:00
upd78f0730.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
usb-serial-simple.c USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx 2020-01-13 15:04:35 +01:00
usb-serial.c USB: serial: suppress driver bind attributes 2020-01-17 11:11:26 +01:00
usb-wwan.h USB: serial: option: add ZLP support for 0x1bc7/0x9010 2019-12-20 12:07:12 +01:00
usb_debug.c USB: serial: usb_debug: add new USB device id 2017-11-28 09:54:11 +01:00
usb_wwan.c USB: serial: option: add ZLP support for 0x1bc7/0x9010 2019-12-20 12:07:12 +01:00
visor.c docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
visor.h docs: usb: rename files to .rst and add them to drivers-api 2019-06-20 14:28:36 +02:00
whiteheat.c USB: serial: whiteheat: fix line-speed endianness 2019-10-30 10:06:32 +01:00
whiteheat.h USB: serial: whiteheat: fix line-speed endianness 2019-10-30 10:06:32 +01:00
wishbone-serial.c USB: serial: Remove redundant license text 2017-11-04 11:55:38 +01:00
xsens_mt.c USB: serial: fix module-license macros 2017-11-04 11:58:00 +01:00