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linux/drivers/tty/serial
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Vignesh R 75f54acc08 serial: 8250_omap: pause DMA only if DMA transfer in progress 
It is possible that DMA transfer is already complete but, completion
handler is yet to be called, when dmaengine_pause() is called in case of
error condition(like break/rx timeout). This leads to dmaengine_pause()
API to return EINVAL (as descriptor is already NULL) causing
rx_dma_broken flag to be set and effectively disabling RX DMA.
Fix this by calling dmaengine_pause() only when transfer is in progress.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-20 14:44:37 +01:00
..
8250
serial: 8250_omap: pause DMA only if DMA transfer in progress
2017-01-20 14:44:37 +01:00
cpm_uart
tty: serial: cpm_uart: Fix module autoload for OF platform driver
2015-10-04 19:09:21 +01:00
jsm
tty: serial: jsm_tty: constify uart_ops structures
2016-09-02 15:01:16 +02:00
21285.c
…
altera_jtaguart.c
serial: altera: constify uart_ops structures
2016-09-02 15:01:16 +02:00
altera_uart.c
serial: altera: constify uart_ops structures
2016-09-02 15:01:16 +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: pl011: Mark console as CON_ANYTIME
2017-01-19 14:20:23 +01:00
amba-pl011.h
tty: amba-pl011: clean up LCR register offsets
2015-12-13 19:59:48 -08:00
apbuart.c
tty: serial: apbuart: Fix module autoload for OF platform driver
2015-10-04 19:09:21 +01:00
apbuart.h
…
ar933x_uart.c
tree-wide: replace config_enabled() with IS_ENABLED()
2016-08-04 08:50:07 -04:00
arc_uart.c
serial/arc: constify uart_ops structures
2016-09-01 21:05:41 +02:00
atmel_serial.c
tty/serial: atmel: RS485 half duplex w/DMA: enable RX after TX is done
2017-01-11 08:18:45 +01:00
bcm63xx_uart.c
serial/bcm63xx_uart: constify uart_ops structures
2016-09-02 15:01:16 +02:00
bfin_sport_uart.c
tty: serial: constify dev_pm_ops structures
2017-01-19 14:20:23 +01:00
bfin_sport_uart.h
…
bfin_uart.c
serial:bfin-uart:Remove 'struct timeval'
2015-12-13 19:59:48 -08:00
clps711x.c
serial: clps711x: Changing the compatibility string to match with the smallest supported chip
2016-07-06 17:38:16 +02:00
crisv10.c
serial: crisv10: fix invalid user-pointer check
2016-11-10 14:41:25 +01:00
crisv10.h
cris: Remove obsolete ASYNC_SPLIT_TERMIOS behavior
2014-11-05 20:18:30 -08:00
digicolor-usart.c
tty/serial: digicolor: Fix bad usage of IS_ERR_VALUE
2016-02-14 17:39:36 -08:00
dz.c
…
dz.h
…
earlycon-arm-semihost.c
tty/serial: mark __init early_smh_setup() static
2016-09-02 15:03:35 +02:00
earlycon.c
ACPI: parse SPCR and enable matching console
2016-09-28 17:46:46 +02:00
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: Fix crash
2015-11-20 16:19:54 -08:00
fsl_lpuart.c
tty: serial: fsl_lpuart: fix del_timer_sync() vs timer routine deadlock
2017-01-12 11:51:24 +01:00
icom.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
icom.h
…
ifx6x60.c
serial: ifx6x60: Free memory when probe fails
2016-11-10 14:50:46 +01:00
ifx6x60.h
…
imx.c
serial: imx: Allow passing 'rst-gpios' for rs485 mode
2017-01-12 11:51:25 +01:00
ioc3_serial.c
tty: ioc3_serial.c: move assignment out of if () block
2015-05-10 19:04:17 +02:00
ioc4_serial.c
serial: ioc4_serial: Free memory when kzalloc fails during probe
2016-11-10 14:50:46 +01:00
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
tty: serial: lantiq: implement earlycon support
2017-01-12 11:51:24 +01:00
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
tty: update my email address
2017-01-12 11:51:24 +01:00
lpc32xx_hs.c
tty: serial: lpc32xx_hs: fix handling platform_get_irq result
2015-10-04 19:09:21 +01:00
m32r_sio_reg.h
…
m32r_sio.c
serial: m32r_sio: make it explicitly non-modular
2016-06-25 14:00:06 -07:00
Makefile
tty: serial: Makefile: move kgdb to be initialized last
2016-10-27 16:27:24 +02:00
max310x.c
serial: max310x: Add support for newer silicon revisions
2017-01-12 11:51:24 +01:00
max3100.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
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: constify uart_ops structures
2016-09-02 15:01:16 +02:00
meson_uart.c
tty: serial: meson: allow baud-rates higher than 115200
2017-01-19 14:38:57 +01:00
mpc52xx_uart.c
tty: serial: constify psc_ops structs
2016-02-06 22:31:47 -08:00
mps2-uart.c
serial: mps2-uart: make driver explicitly non-modular
2016-06-25 14:01:57 -07:00
mpsc.c
TTY: serial/mpsc, remove unused fields
2016-02-06 22:16:21 -08:00
msm_serial.c
tty: serial: msm: Fix module autoload
2017-01-12 11:51:25 +01:00
mux.c
parisc: serial/mux: Convert to uart_console_device instead of open-coded
2015-10-22 15:44:28 +02:00
mvebu-uart.c
serial: mvebu-uart: free the IRQ in ->shutdown()
2016-06-25 14:00:06 -07:00
mxs-auart.c
serial: mxs-auart: support CMSPAR termios cflag
2017-01-12 11:51:24 +01:00
netx-serial.c
tty: serial: drop owner assignment from platform_drivers
2014-10-20 16:21:45 +02:00
omap-serial.c
serial: omap: Add omapserial earlycon
2017-01-19 14:20:23 +01:00
pch_uart.c
serial: pch_uart: add terminate entry for dmi_system_id tables
2016-10-27 16:01:31 +02:00
pic32_uart.c
serial: pic32_uart: Fix 'request_irq' and 'free_irq' inconsistancy
2017-01-12 11:51:24 +01:00
pic32_uart.h
serial: pic32_uart: Add PIC32 UART driver
2016-05-13 14:01:56 +02:00
pmac_zilog.c
TTY: serial, handle platform_get_irq retval properly
2016-06-25 09:01:52 -07:00
pmac_zilog.h
…
pnx8xxx_uart.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
pxa.c
serial: pxa2xx: remove __deprecated annotation
2016-11-10 14:50:45 +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: Simplify DMA engine initialization code
2017-01-12 11:51:24 +01:00
samsung.h
serial: samsung: Simplify DMA engine initialization code
2017-01-12 11:51:24 +01:00
sb1250-duart.c
…
sc16is7xx.c
Merge 4.9-rc3 into tty-next
2016-10-30 06:42:10 -04:00
sccnxp.c
tty: serial: drop owner assignment from platform_drivers
2014-10-20 16:21:45 +02:00
serial_core.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
serial_ks8695.c
serial: Fix ASYNC_* => UPF_* flags misuse
2016-01-28 14:17:42 -08:00
serial_mctrl_gpio.c
serial: mctrl_gpio: enable API usage only for initialized mctrl_gpios struct
2016-06-25 14:30:42 -07:00
serial_mctrl_gpio.h
serial: mctrl_gpio: add modem control read routine
2016-06-25 14:30:42 -07:00
serial_txx9.c
tty: serial: drop owner assignment from platform_drivers
2014-10-20 16:21:45 +02:00
serial-tegra.c
TTY: serial, handle platform_get_irq retval properly
2016-06-25 09:01:52 -07:00
sh-sci.c
serial: sh-sci: Compute the regshift value for SCI ports
2017-01-19 14:17:05 +01:00
sh-sci.h
serial: sh-sci: Extend sci_port_params with more port parameters
2017-01-19 14:17:05 +01:00
sirfsoc_uart.c
serial: sirf: Use generic uart-has-rtscts DT property
2016-04-30 09:26:55 -07:00
sirfsoc_uart.h
serial: sirf: make fifo functions static
2016-06-25 14:01:57 -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
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
st-asc.c
serial: st-asc: constify uart_ops structures
2016-09-02 15:01:16 +02:00
stm32-usart.c
serial: stm32: mark symbols static where possible
2016-09-27 12:55:27 +02:00
stm32-usart.h
serial: stm32: Fix comparisons with undefined register
2016-10-27 16:00:31 +02:00
suncore.c
drivers/tty: make serial/suncore.c driver explicitly non-modular
2015-07-23 18:27:41 -07:00
sunhv.c
serial: sunhv: Free memory when remove() is called
2016-11-16 10:57:25 +01:00
sunsab.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
sunsab.h
…
sunsu.c
serial: sunsu: Free memory when probe fails
2016-11-16 10:57:26 +01:00
sunzilog.c
Driver core patches for 3.19-rc1
2014-12-14 16:10:09 -08:00
sunzilog.h
…
tilegx.c
…
timbuart.c
tty: serial: constify uart_ops structures
2016-09-02 15:01:16 +02:00
timbuart.h
…
uartlite.c
serial-uartlite: constify uart_ops structures
2016-09-02 15:01:16 +02:00
ucc_uart.c
QE-UART: add "fsl,t1040-ucc-uart" to of_device_id
2016-05-01 13:55:12 -07:00
vr41xx_siu.c
tty: serial: drop owner assignment from platform_drivers
2014-10-20 16:21:45 +02:00
vt8500_serial.c
serial: vt8500_serial: Fix a parameter of find_first_zero_bit.
2016-08-31 15:42:28 +02:00
xilinx_uartps.c
serial: xuartps: Add new compatible string for ZynqMP
2016-10-27 16:00:32 +02:00
zs.c
serial: zs: Fix a transmit lockup in console output
2016-02-06 23:13:30 -08:00
zs.h
…