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linux-stable/drivers/tty/serial
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Qipeng Zha 0a6c301a2d serial: 8250: Auto CTS control by HW if AFE enabled 
According to DesignWare 8250 spec, if auto flow control
mode is enabled, a change in CTS does not cause an interrupt,
so sw-assisted CTS flow control mode will not work properly.

There reported an GPS firmware download failure issue, and we
verified the root cause is, the default sw-assisted CTS flow
control mode can not work properly since no interrupt when got
CTS signal.

This patch is to enable auto CTS mode by defaut if CRTSCTS
is enable for DesignWare 8250 controller.

Signed-off-by: Huiquan Zhong <huiquan.zhong@intel.com>
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-08-04 22:07:21 -07:00
..
8250 serial: 8250: Auto CTS control by HW if AFE enabled 2015-08-04 22:07:21 -07:00
cpm_uart tty: cpm_uart: replace CONFIG_8xx by CONFIG_CPM1 2015-03-26 23:00:36 +01:00
jsm serial: jsm: some off by one bugs 2015-03-26 23:00:36 +01:00
21285.c
68328serial.c tty: 68328serial.c: move assignment out of if () block 2015-05-10 19:04:16 +02:00
altera_jtaguart.c drivers/tty/serial: altera: fix typos in #endif comments 2015-05-06 22:26:58 +02:00
altera_uart.c drivers/tty/serial: altera: fix typos in #endif comments 2015-05-06 22:26:58 +02:00
amba-pl010.c serial: Test/disable MSIs if switching from N_PPS 2014-11-06 14:57:27 -08:00
amba-pl011.c serial: amba-pl011: Fix devm_ioremap_resource return value check 2015-07-23 15:05:53 -07:00
apbuart.c tty: constify of_device_id array 2015-03-26 22:49:10 +01:00
apbuart.h
ar933x_uart.c serial: ar933x_uart: Fix off-by-one for checking valid alias id 2015-03-07 03:20:25 +01:00
arc_uart.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
atmel_serial.c tty/serial: at91: use 32bit writes into TX FIFO when DMA is enabled 2015-07-23 18:00:43 -07:00
bcm63xx_uart.c tty: serial/bcm63xx_uart: fix sparse warning 2015-03-07 03:13:07 +01:00
bfin_sport_uart.c tty: pr_warning->pr_warn and logging neatening 2014-11-25 17:06:38 -08:00
bfin_sport_uart.h
bfin_uart.c serial: bfin: ctsrts: enfore Kconfig naming convention 2015-05-06 22:26:59 +02:00
clps711x.c serial: clps711x: fail if mctrl_gpio_init fails 2015-03-07 03:15:03 +01:00
crisv10.c tty: crisv10.c: move assignment out of if () block 2015-05-10 19:04:17 +02:00
crisv10.h cris: Remove obsolete ASYNC_SPLIT_TERMIOS behavior 2014-11-05 20:18:30 -08:00
digicolor-usart.c tty/serial: digicolor: remove sysrq reference 2015-02-02 10:11:25 -08:00
dz.c
dz.h
earlycon-arm-semihost.c
earlycon.c serial: earlycon: Add support for big-endian MMIO accesses 2015-06-01 06:55:12 +09:00
efm32-uart.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
etraxfs-uart.c serial: etraxfs-uart: use mctrl_gpio helpers for handling modem signals 2015-08-04 22:07:20 -07:00
fsl_lpuart.c Merge 4.0-rc7 into tty-next 2015-04-07 11:07:20 +02:00
icom.c tty: icom.c: move assignment out of if () block 2015-05-10 19:04:17 +02:00
icom.h
ifx6x60.c serial: ifx6x60: Remove superfluous casts when calling request_irq() 2015-05-06 22:27:01 +02:00
ifx6x60.h
imx.c Serial: imx: add dev_pm_ops to support suspend to ram/disk 2015-08-03 15:51:19 -07:00
ioc3_serial.c tty: ioc3_serial.c: move assignment out of if () block 2015-05-10 19:04:17 +02:00
ioc4_serial.c tty: ioc4_serial.c: move assignment out of if () block 2015-05-10 19:04:17 +02:00
ip22zilog.c serial: use container_of to resolve uart_ip22zilog_port from uart_port 2014-11-05 19:20:52 -08:00
ip22zilog.h
Kconfig serial: etraxfs-uart: use mctrl_gpio helpers for handling modem signals 2015-08-04 22:07:20 -07:00
kgdb_nmi.c serial: kgdb_nmi: Use bool function return values of true/false not 1/0 2015-05-06 22:26:57 +02:00
kgdboc.c
lantiq.c drivers/tty: make serial/lantic.c driver explicitly non-modular 2015-07-23 18:27:41 -07:00
lpc32xx_hs.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
m32r_sio.c serial: use container_of to resolve uart_sio_port from uart_port 2014-11-05 19:20:52 -08:00
m32r_sio.h
m32r_sio_reg.h
Makefile serial: stm32-usart: Add STM32 USART Driver 2015-06-10 17:34:26 -07:00
max310x.c drivers/max310: Use the rs485 functions on serial_core 2014-11-06 15:00:15 -08:00
max3100.c tty: max3100: use msecs_to_jiffies for time conversion 2015-03-07 03:13:08 +01:00
mcf.c drivers/tty/serial/mcf.c: fix typo on SERIAL_MCF_CONSOLE 2015-05-06 22:26:59 +02:00
men_z135_uart.c tty: serial: men_z135_uart: Fix driver for changes in hardware 2015-02-02 10:11:27 -08:00
meson_uart.c ARM: meson: serial: convert iounmap to devm_iounmap 2015-05-06 22:27:02 +02:00
mpc52xx_uart.c serial: mpc52xx: let tx_empty callback return either 0 or TIOCSER_TEMT 2015-08-04 22:07:20 -07:00
mpsc.c tty: mpsc.c: move assignment out of if () block 2015-05-10 19:04:17 +02:00
msm_serial.c tty: serial: msm_serial: Remove console unregistration from driver exit. 2015-02-02 10:11:25 -08:00
msm_serial.h tty: serial: msm_serial: Remove dead code 2015-03-26 22:31:09 +01:00
mux.c
mxs-auart.c serial: mxs: Constify platform_device_id 2015-05-10 19:08:16 +02:00
netx-serial.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
nwpserial.c serial: Fix build failure caused by missing header file 2014-09-08 16:17:45 -07:00
of_serial.c serial: of_serial: check the return value of clk_prepare_enable() 2015-06-01 06:55:12 +09:00
omap-serial.c serial: omap: Switch wake-up interrupt to generic wakeirq 2015-06-09 23:35:00 -07:00
pch_uart.c
pmac_zilog.c tty: constify of_device_id array 2015-03-26 22:49:10 +01:00
pmac_zilog.h
pnx8xxx_uart.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
pxa.c tty: constify of_device_id array 2015-03-26 22:49:10 +01:00
rp2.c
sa1100.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
samsung.c serial: samsung: Remove redundant DEBUG_LL check 2015-07-23 18:27:41 -07:00
samsung.h serial: samsung: add DMA support for RX 2015-01-09 14:25:39 -08:00
sb1250-duart.c
sc16is7xx.c Merge 4.2-rc4 into tty-next 2015-07-27 11:12:39 -07:00
sccnxp.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
serial-tegra.c serial: tegra: Fix memory leak on DMA setup failure 2015-05-24 12:53:44 -07:00
serial_core.c serial: core: Fix crashes while echoing when closing 2015-07-23 18:08:28 -07:00
serial_ks8695.c tty/serial: kill off set_irq_flags usage 2015-06-09 12:26:32 -07:00
serial_mctrl_gpio.c TTY/Serial driver patches for 4.2-rc1 2015-06-26 15:53:22 -07:00
serial_mctrl_gpio.h
serial_txx9.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
sh-sci.c TTY/Serial driver patches for 4.2-rc1 2015-06-26 15:53:22 -07:00
sh-sci.h serial: sh-sci: Replace hardcoded overrun bit values 2015-05-10 19:06:39 +02:00
sirfsoc_uart.c serial: sirf: let uart's receive start in right place 2015-07-23 15:32:04 -07:00
sirfsoc_uart.h serial: sirf: let uart's receive start in right place 2015-07-23 15:32:04 -07:00
sn_console.c drivers/tty: make serial/sn_console.c driver explicitly non-modular 2015-07-23 18:27:41 -07:00
sprd_serial.c serial: sprd: check for NULL after calling devm_clk_get 2015-06-12 17:39:50 -07:00
st-asc.c tty: constify of_device_id array 2015-03-26 22:49:10 +01:00
stm32-usart.c serial: stm32-usart: Fix SysRq support 2015-07-23 17:37:53 -07:00
suncore.c drivers/tty: make serial/suncore.c driver explicitly non-modular 2015-07-23 18:27:41 -07:00
sunhv.c drivers/tty: make serial/sunhv.c driver explicitly non-modular 2015-07-23 18:27:41 -07:00
sunsab.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
sunsab.h
sunsu.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
sunzilog.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
sunzilog.h
tilegx.c
timbuart.c Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
timbuart.h
uartlite.c serial: xilinx: Use platform_get_irq to get irq description structure 2015-04-28 14:26:21 +02:00
ucc_uart.c serial/uuc_uart: Support higher bitrates than 115200 Bit/s 2015-07-23 18:05:00 -07:00
vr41xx_siu.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
vt8500_serial.c tty: serial: drop owner assignment from platform_drivers 2014-10-20 16:21:45 +02:00
xilinx_uartps.c serial: xuartps: add __init to earlycon write method 2015-05-10 19:10:08 +02:00
zs.c
zs.h