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6fc5a52042
linux/drivers/tty/serial
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Takatoshi Akiyama 6fc5a52042 serial: sh-sci: Fix deadlock caused by serial output request 
While spin is already locked, serial output request causes the deadlock,
because serial output process also tries to lock the spin.
This patch removes serial output with spin locked.

Signed-off-by: Takatoshi Akiyama <takatoshi.akiyama.kj@ps.hitachi-solutions.com>
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-11-10 14:39:44 +01:00
..
8250 serial: 8250_pxa: hide early console setup when disabled 2016-11-10 14:34:27 +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
amba-pl011.c serial: pl011: add console matching function 2016-10-27 16:27:23 +02:00
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: at91: fix hardware handshake on Atmel platforms 2016-10-28 08:10:48 -04:00
bcm63xx_uart.c serial/bcm63xx_uart: constify uart_ops structures 2016-09-02 15:01:16 +02:00
bfin_sport_uart.c
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 tty: serial: make crisv10 explicitly non-modular 2016-11-10 14:34:27 +01:00
crisv10.h
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
etraxfs-uart.c serial: etraxfs-uart: Fix crash 2015-11-20 16:19:54 -08:00
fsl_lpuart.c Merge 4.9-rc3 into tty-next 2016-10-30 06:42:10 -04:00
icom.c tty: Remove unused SERIAL_DO_RESTART define 2015-12-13 19:59:48 -08:00
icom.h
ifx6x60.c TTY: serial/ifx6x60, initialize more 2016-04-30 09:26:55 -07:00
ifx6x60.h
imx.c serial: imx: Fix DCD reading 2016-09-27 12:55:27 +02:00
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
ip22zilog.h
Kconfig Merge 4.9-rc3 into tty-next 2016-10-30 06:42:10 -04:00
kgdb_nmi.c
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: 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: Set IRQF_TRIGGER_FALLING flag when dev.of_node is not NULL 2016-09-15 12:35:49 +02:00
max3100.c tty: serial: constify uart_ops structures 2016-09-02 15:01:16 +02:00
mcf.c
men_z135_uart.c tty: serial: constify uart_ops structures 2016-09-02 15:01:16 +02:00
meson_uart.c tty: serial: meson: Implement earlycon support 2016-04-30 09:26:55 -07:00
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 definition of msm_stop_dma 2016-06-25 10:23:54 -07:00
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: Fix missing clk_disable_unprepare() on error in mxs_get_clks() 2016-09-22 11:45:08 +02:00
netx-serial.c
omap-serial.c Merge 4.5-rc4 into tty-next 2016-02-14 14:36:04 -08:00
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 double free of 'sport->irq_fault_name'. 2016-06-25 13:50:53 -07:00
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
pxa.c serial: rewrite pxa2xx-uart to use 8250_core 2016-10-27 16:03:09 +02:00
rp2.c
sa1100.c
samsung.c serial: samsung: Register cpufreq notifier only on S3C24xx 2016-08-31 15:39:58 +02:00
samsung.h serial: samsung: Register cpufreq notifier only on S3C24xx 2016-08-31 15:39:58 +02:00
sb1250-duart.c
sc16is7xx.c Merge 4.9-rc3 into tty-next 2016-10-30 06:42:10 -04:00
sccnxp.c
serial_core.c tty: serial_core: fix NULL struct tty pointer access in uart_write_wakeup 2016-10-28 08:13:07 -04:00
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
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: Fix deadlock caused by serial output request 2016-11-10 14:39:44 +01:00
sh-sci.h serial: sh-sci: Clear (H)SCIF timeout and overrun during reset 2016-06-25 09:09:53 -07:00
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 sparc: serial: sunhv: fix a double lock bug 2016-07-27 22:54:52 -07:00
sunsab.c
sunsab.h
sunsu.c serial/sunsu: Deinline wait_for_xmitr, save 165 bytes 2015-12-13 19:59:48 -08:00
sunzilog.c
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
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