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remarkable-linux/drivers/tty/serial
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Lars-Peter Clausen 6731af573a tty: xuartps: Fix tx_emtpy() callback 
The tx_empty() callback currently checks the TXEMPTY bit in the interrupt
status register to decided whether the FIFO should be reported as empty or
not. The bit in this register gets set when the FIFO state transitions from
non-empty to empty but is cleared again in the interrupt handler. This means
it is not suitable to be used to decided whether the FIFO is currently empty
or not. Instead use the TXEMPTY bit from the status register which will be
set as long as the FIFO is empty.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-08 16:33:56 -07:00
..
8250 serial: 8250_dw: Add ACPI ID for Intel Braswell 2014-09-08 16:33:56 -07:00
cpm_uart serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
jsm serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
21285.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
68328serial.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2013-05-10 07:22:35 -07:00
altera_jtaguart.c serial: altera_jtaguart: Fix putchar function passed to uart_console_write() 2014-07-22 16:34:33 -07:00
altera_uart.c serial: altera: Adopt uart_console_write() 2014-07-11 17:49:46 -07:00
amba-pl010.c serial: amba-pl010: Use devres APIs 2014-07-09 17:13:54 -07:00
amba-pl011.c serial: amba-pl011: Remove redundant label 2014-07-09 17:13:54 -07:00
apbuart.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
apbuart.h
ar933x_uart.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
arc_uart.c Merge 3.16-rc5 into tty-next. 2014-07-13 15:52:12 -07:00
atmel_serial.c tty/serial: at91: BUG: disable interrupts when !UART_ENABLE_MS() 2014-09-08 16:33:56 -07:00
bcm63xx_uart.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
bfin_sport_uart.c serial: blackfin: Fix CTS flow control 2014-07-10 16:07:46 -07:00
bfin_sport_uart.h
bfin_uart.c serial: blackfin: Fix CTS flow control 2014-07-10 16:07:46 -07:00
clps711x.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
crisv10.c tty: Remove tty_hung_up_p() tests from tty drivers' open() 2014-07-10 16:06:49 -07:00
crisv10.h
dz.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
dz.h
earlycon-arm-semihost.c tty/serial: add arm/arm64 semihosting earlycon 2014-04-24 16:32:27 -07:00
earlycon.c tty/serial: fix 8250 early console option passing to regular console 2014-06-19 13:07:26 -07:00
efm32-uart.c serial: efm32: correct namespacing of location property 2014-07-11 17:49:46 -07:00
fsl_lpuart.c tty: serial: fsl_lpuart: add 32-bit register interface support 2014-07-17 18:15:38 -07:00
icom.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
icom.h
ifx6x60.c serial: ifx6x60: Remove casting the return value which is a void pointer 2013-09-26 14:29:58 -07:00
ifx6x60.h
imx.c serial: imx: Fix build breakage 2014-07-11 17:43:13 -07:00
ioc3_serial.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
ioc4_serial.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
ip22zilog.c serial: Test for no tx data on tx restart 2014-07-10 16:31:34 -07:00
ip22zilog.h
Kconfig serial: lpc32xx uart module can't do console 2014-07-10 15:48:56 -07:00
kgdb_nmi.c tty: kgdb_nmi: Automatically manage tty enable 2014-07-17 18:19:40 -07:00
kgdboc.c treewide: Convert retrun typos to return 2013-09-04 12:26:36 +02:00
lantiq.c serial: Use UPF_* constants with struct uart_port flags 2014-07-10 16:06:49 -07:00
lpc32xx_hs.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
m32r_sio.c serial: Test for no tx data on tx restart 2014-07-10 16:31:34 -07:00
m32r_sio.h
m32r_sio_reg.h
Makefile tty/serial: Add GPIOLIB helpers for controlling modem lines 2014-05-28 12:49:14 -07:00
max310x.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
max3100.c serial: use dev_get_platdata() 2013-07-31 17:56:15 -07:00
mcf.c serial: Use UPF_* constants with struct uart_port flags 2014-07-10 16:06:49 -07:00
men_z135_uart.c tty: serial: men_z135_uart: Wakeup UART after transmitting 2014-07-09 17:35:42 -07:00
mfd.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
mpc52xx_uart.c serial: mpc512x: setup the PSC FIFO clock as well 2014-01-12 18:53:05 +01:00
mpsc.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
mrst_max3110.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
mrst_max3110.h
msm_serial.c tty: serial: msm: Make of_device_id array const 2014-07-23 18:56:18 -07:00
msm_serial.h tty: serial: msm: Support big-endian CPUs 2014-07-10 16:10:42 -07:00
msm_serial_hs.c serial: use dev_get_platdata() 2013-07-31 17:56:15 -07:00
msm_smd_tty.c
mux.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
mxs-auart.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
netx-serial.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
nwpserial.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
of_serial.c printk/of_serial: fix serial console cessation part way through boot. 2014-05-28 13:07:27 -07:00
omap-serial.c tty: serial: omap: fix Sparse warnings 2014-04-24 16:19:02 -07:00
pch_uart.c pch_uart: don't hardcode PCI slot to get DMA device 2014-08-01 16:04:21 -07:00
pmac_zilog.c The branch contains the following device tree changes the v3.17 merge 2014-08-14 09:53:39 -06:00
pmac_zilog.h
pnx8xxx_uart.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
pxa.c serial: pxa: fix build with !SERIAL_PXA_CONSOLE 2014-07-10 15:48:41 -07:00
rp2.c tty: remove DEFINE_PCI_DEVICE_TABLE macro 2013-12-08 17:09:07 -08:00
sa1100.c serial: sa1100: delete .set_wake callback 2013-10-16 13:16:18 -07:00
samsung.c ARM: SoC platform changes for 3.17 2014-08-08 11:14:29 -07:00
samsung.h serial: samsung: Neaten dbg uses 2014-05-28 12:27:22 -07:00
sb1250-duart.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
sc16is7xx.c serial: sc16is7xx: Correct initialization of s->clk 2014-07-27 11:50:38 -07:00
sccnxp.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
serial-tegra.c serial: tegra: ack the rx dma desc after transfer terminated 2014-07-10 15:53:20 -07:00
serial_core.c The branch contains the following device tree changes the v3.17 merge 2014-08-14 09:53:39 -06:00
serial_ks8695.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
serial_mctrl_gpio.c tty/serial: Add GPIOLIB helpers for controlling modem lines 2014-05-28 12:49:14 -07:00
serial_mctrl_gpio.h tty/serial: Add GPIOLIB helpers for controlling modem lines 2014-05-28 12:49:14 -07:00
serial_txx9.c serial: txx9: remove duplicate TXX9_SIFCR_TDIL_MASK define 2014-07-10 16:10:42 -07:00
sh-sci.c serial: sh-sci: Add calculation recive margin for HSCIF 2014-07-17 18:14:44 -07:00
sh-sci.h serial: sh-sci: Move overrun_bit and error_mask fields out of pdata 2013-12-24 11:17:48 +09:00
sirfsoc_uart.c serial: sirf: transfer more bytes once to decrease interrupts 2014-07-09 17:37:00 -07:00
sirfsoc_uart.h serial: sirf: transfer more bytes once to decrease interrupts 2014-07-09 17:37:00 -07:00
sn_console.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
st-asc.c serial: st-asc: Fix overflow in baudrate calculation 2014-07-27 11:05:08 -07:00
suncore.c
sunhv.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
sunsab.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next 2014-08-06 09:41:23 -07:00
sunsab.h
sunsu.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
sunzilog.c serial: Test for no tx data on tx restart 2014-07-10 16:31:34 -07:00
sunzilog.h
tilegx.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
timbuart.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
timbuart.h
uartlite.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
ucc_uart.c serial: treewide: Remove empty implementations of enable_ms() 2014-07-09 17:29:38 -07:00
vr41xx_siu.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
vt8500_serial.c serial: vt8500: add missing braces 2013-10-16 13:22:16 -07:00
xilinx_uartps.c tty: xuartps: Fix tx_emtpy() callback 2014-09-08 16:33:56 -07:00
zs.c serial: Fix IGNBRK handling 2014-06-19 13:04:52 -07:00
zs.h