AuxXxilium/linux_dsm_epyc7002
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36003386f8
linux_dsm_epyc7002/drivers/tty/serial
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Alexandre Courbot 36003386f8 serial: sh-sci: fix deadlock when resuming from S3 sleep 
S3 sleep invokes the shutdown callback of the sh-sci driver, which
suspends the clocks until they are reactivated by a call to startup.
However, before the latter is invoked, sci_set_termios may be called on
the port by uart_resume_port. In such cases it will endlessly wait for
the TEND bit to raise, which will never happen since the clocks are
disabled.

This patch ensures that clocks are enabled when ports registers are
manipulated within sci_set_termios.

Signed-off-by: Alexandre Courbot <gnurou@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2011-03-04 15:57:10 +09:00
..
cpm_uart tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
jsm tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_accent.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_acorn.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_boca.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_early.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_exar_st16c554.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_fourport.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_gsc.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_hp300.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_hub6.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_mca.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_pci.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250_pnp.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
8250.c serial: unbreak billionton CF card 2011-01-22 19:15:01 -08:00
8250.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
21285.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
68328serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
68328serial.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
68360serial.c 68360serial: Plumb in rs_360_get_icount() 2011-02-03 14:44:23 -08:00
altera_jtaguart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
altera_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
amba-pl010.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
amba-pl011.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
apbuart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
apbuart.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
atmel_serial.c Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2011-01-20 16:39:23 -08:00
bcm63xx_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
bfin_5xx.c serial: bfin_5xx: split uart RX lock from uart port lock to avoid deadlock 2011-02-03 14:44:54 -08:00
bfin_sport_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
bfin_sport_uart.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
clps711x.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
crisv10.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
crisv10.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
dz.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
dz.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
icom.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
icom.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ifx6x60.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ifx6x60.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
imx.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ioc3_serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ioc4_serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ip22zilog.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ip22zilog.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
Kconfig tty/serial: fix apbuart build 2011-01-22 19:15:02 -08:00
kgdboc.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
m32r_sio_reg.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
m32r_sio.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
m32r_sio.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
Makefile tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
max3100.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
max3107-aava.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
max3107.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
max3107.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mcf.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mfd.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mpc52xx_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mpsc.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mrst_max3110.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mrst_max3110.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
msm_serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
msm_serial.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
mux.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
netx-serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
nwpserial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
of_serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
omap-serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
pch_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
pmac_zilog.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
pmac_zilog.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
pnx8xxx_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
pxa.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c24a0.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c2400.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c2410.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c2412.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c2440.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s3c6400.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
s5pv210.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sa1100.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
samsung.c Merge branch 'tty-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6 2011-01-20 16:39:23 -08:00
samsung.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sb1250-duart.c console: rename acquire/release_console_sem() to console_lock/unlock() 2011-01-26 10:50:06 +10:00
sc26xx.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
serial_core.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
serial_cs.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
serial_ks8695.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
serial_lh7a40x.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
serial_txx9.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sh-sci.c serial: sh-sci: fix deadlock when resuming from S3 sleep 2011-03-04 15:57:10 +09:00
sh-sci.h Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into common/serial-rework 2011-01-26 18:23:27 +09:00
sn_console.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
suncore.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
suncore.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunhv.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunsab.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunsab.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunsu.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunzilog.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
sunzilog.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
timbuart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
timbuart.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
uartlite.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
ucc_uart.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
vr41xx_siu.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
vt8500_serial.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
zs.c tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00
zs.h tty: move drivers/serial/ to drivers/tty/serial/ 2011-01-13 12:10:18 -08:00