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Mika Westerberg 33b1e6939f serial: mrst_max3110: initialize waitqueue earlier ... The driver went to initialize its waitqueue at the start of the main processing thread. However, it is possible that this thread is not scheduled on a CPU before the write function is called which leads to a following error: BUG: spinlock bad magic on CPU#1, swapper/1 lock: f5f3ebdc, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 Pid: 1, comm: swapper Not tainted 3.0.0-rc2+ #67 Call Trace: [<c1289663>] spin_bug+0xa3/0xf0 [<c12897ad>] do_raw_spin_lock+0x7d/0x150 [<c14963de>] _raw_spin_lock_irqsave+0x4e/0x60 [<c102f2bb>] __wake_up+0x1b/0x50 [<c12d3715>] serial_m3110_con_write+0x55/0x60 [<c1041575>] __call_console_drivers+0x75/0x90 [<c10415d9>] _call_console_drivers+0x49/0x80 [<c1041baa>] console_unlock+0xca/0x1f0 [<c10420ef>] vprintk+0x18f/0x4f0 [<c14928a3>] printk+0x18/0x1a [<c1042730>] register_console+0x2e0/0x350 [<c12d098e>] uart_add_one_port+0x33e/0x3d0 [<c1485ba6>] serial_m3110_probe+0x1c2/0x1df [<c1303db7>] spi_drv_probe+0x17/0x20 ... Fix this by initializing the waitqueue before the main thread is created. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		14 years ago
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cpm_uart	tty: remove invalid location line in file header	14 years ago
jsm	Fix common misspellings	14 years ago
8250.c	tty/serial: Fix break handling for PORT_TEGRA	14 years ago
8250.h	tty/serial: Add explicit PORT_TEGRA type	14 years ago
8250_accent.c	tty: remove invalid location line in file header	14 years ago
8250_acorn.c	…
8250_boca.c	tty: remove invalid location line in file header	14 years ago
8250_early.c	…
8250_exar_st16c554.c	tty: remove invalid location line in file header	14 years ago
8250_fourport.c	tty: remove invalid location line in file header	14 years ago
8250_gsc.c	…
8250_hp300.c	…
8250_hub6.c	tty: remove invalid location line in file header	14 years ago
8250_mca.c	tty: remove invalid location line in file header	14 years ago
8250_pci.c	serial: 8250_pci: add support for Cronyx Omega PCI multiserial board.	14 years ago
8250_pnp.c	tty: remove invalid location line in file header	14 years ago
21285.c	tty: remove invalid location line in file header	14 years ago
68328serial.c	arch, mm: filter disallowed nodes from arch specific show_mem functions	14 years ago
68328serial.h	…
68360serial.c	Merge 2.6.38-rc6 into tty-next	14 years ago
Kconfig	Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6	14 years ago
Makefile	Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6	14 years ago
altera_jtaguart.c	Merge branch 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6	14 years ago
altera_uart.c	serial: altera_uart: Scan for a free port if platform device id is -1	14 years ago
amba-pl010.c	tty: remove invalid location line in file header	14 years ago
amba-pl011.c	tty: remove invalid location line in file header	14 years ago
apbuart.c	sparc32,leon: Fixed APBUART frequency detection	14 years ago
apbuart.h	…
atmel_serial.c	atmel_serial: keep the platform_device unchanged	14 years ago
bcm63xx_uart.c	…
bfin_5xx.c	…
bfin_sport_uart.c	treewide: cleanup continuations and remove logging message whitespace	14 years ago
bfin_sport_uart.h	…
clps711x.c	tty: remove invalid location line in file header	14 years ago
crisv10.c	tty: now phase out the ioctl file pointer for good	14 years ago
crisv10.h	…
dz.c	…
dz.h	…
icom.c	Fix common misspellings	14 years ago
icom.h	…
ifx6x60.c	Serial: ifx6x60c: Remove duplicate includes of linux/tty.h	14 years ago
ifx6x60.h	serial: ifx6x60: minor cleanup	14 years ago
imx.c	Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6	14 years ago
ioc3_serial.c	…
ioc4_serial.c	…
ip22zilog.c	Fix common misspellings	14 years ago
ip22zilog.h	…
kgdboc.c	kgdboc,kgdbts: strlen() doesn't count the terminator	14 years ago
lantiq.c	SERIAL: Lantiq: Add driver for MIPS Lantiq SOCs.	14 years ago
m32r_sio.c	m32r: fix spin_lock_irqsave() misuse	14 years ago
m32r_sio.h	…
m32r_sio_reg.h	…
max3100.c	workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'	14 years ago
max3107-aava.c	…
max3107.c	workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'	14 years ago
max3107.h	Fix common misspellings	14 years ago
mcf.c	…
mfd.c	treewide: cleanup continuations and remove logging message whitespace	14 years ago
mpc52xx_uart.c	dt/serial: Eliminate users of of_platform_{,un}register_driver	14 years ago
mpsc.c	…
mrst_max3110.c	serial: mrst_max3110: initialize waitqueue earlier	14 years ago
mrst_max3110.h	Fix common misspellings	14 years ago
msm_serial.c	tty: remove invalid location line in file header	14 years ago
msm_serial.h	tty: remove invalid location line in file header	14 years ago
msm_serial_hs.c	Fix common misspellings	14 years ago
msm_smd_tty.c	tty: remove invalid location line in file header	14 years ago
mux.c	…
mxs-auart.c	Freescale STMP37XX/STMP378X Application UART driver: remove duplicate linux/device.h include	14 years ago
netx-serial.c	tty: remove invalid location line in file header	14 years ago
nwpserial.c	…
of_serial.c	drivercore: revert addition of of_match to struct device	14 years ago
omap-serial.c	Fix common misspellings	14 years ago
pch_uart.c	drivers/tty/serial/pch_uart.c: don't oops if dmi_get_system_info returns NULL	14 years ago
pmac_zilog.c	tty: remove invalid location line in file header	14 years ago
pmac_zilog.h	…
pnx8xxx_uart.c	…
pxa.c	tty: remove invalid location line in file header	14 years ago
s3c24a0.c	tty: remove invalid location line in file header	14 years ago
s3c2400.c	tty: remove invalid location line in file header	14 years ago
s3c2410.c	tty: remove invalid location line in file header	14 years ago
s3c2412.c	tty: remove invalid location line in file header	14 years ago
s3c2440.c	tty: remove invalid location line in file header	14 years ago
s3c6400.c	tty: remove invalid location line in file header	14 years ago
s5pv210.c	tty: remove invalid location line in file header	14 years ago
sa1100.c	tty: remove invalid location line in file header	14 years ago
samsung.c	tty: remove invalid location line in file header	14 years ago
samsung.h	tty: remove invalid location line in file header	14 years ago
sb1250-duart.c	tty: remove invalid location line in file header	14 years ago
sc26xx.c	…
serial_core.c	TTY: serial_core, remove superfluous set_task_state	14 years ago
serial_cs.c	pcmcia: Convert pcmcia_device_id declarations to const	14 years ago
serial_ks8695.c	tty: remove invalid location line in file header	14 years ago
serial_txx9.c	tty: remove invalid location line in file header	14 years ago
sh-sci.c	Merge branch 'sh-latest' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6	14 years ago
sh-sci.h	sh: sh-sci: sh7377 and sh73a0 build fixes	14 years ago
sn_console.c	Fix common misspellings	14 years ago
suncore.c	…
suncore.h	…
sunhv.c	dt/serial: Eliminate users of of_platform_{,un}register_driver	14 years ago
sunsab.c	dt/serial: Eliminate users of of_platform_{,un}register_driver	14 years ago
sunsab.h	…
sunsu.c	dt/serial: Eliminate users of of_platform_{,un}register_driver	14 years ago
sunzilog.c	Fix common misspellings	14 years ago
sunzilog.h	…
timbuart.c	…
timbuart.h	…
uartlite.c	dt: uartlite: merge platform and of_platform driver bindings	14 years ago
ucc_uart.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc	14 years ago
vr41xx_siu.c	…
vt8500_serial.c	tty: remove invalid location line in file header	14 years ago
xilinx_uartps.c	tty/serial: add support for Xilinx PS UART	14 years ago
zs.c	…
zs.h	…