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linux/drivers/serial
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Anti Sullin f05596dbc9 atmel_serial: update the powersave handler to match serial core 
This problem seems to be unnoticed so far:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3b708fa2780cd2b5d8266a8f0c3a1cab364d4d2

has changed the serial core behavior to not to suspend the port if the
device is enabled as a wakeup source.  If the AT91 system goes to slow
clock mode, the port should be suspended always and the clocks should be
switched off.  The patch attached updates the atmel_serial driver to match
the changes in serial core.

Also, the interrupts are disabled when the clock is disabled.  If we
disable the clock with interrupts enabled, an interrupt may get stuck.  If
this is the DBGU interrupt, this blocks the OR logic at system controller
and thus all other sysc interrupts.

Signed-off-by: Anti Sullin <anti.sullin@artecdesign.ee>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
Cc: Michael Trimarchi <trimarchimichael@yahoo.it>
Cc: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-09-23 08:09:14 -07:00
..
cpm_uart cpm_uart: Add generic clock API support to set baudrates 2008-07-28 08:47:32 -05:00
jsm serial: use tty_port 2008-07-20 17:12:35 -07:00
8250_accent.c
8250_acorn.c [ARM] ecard: add ecardm_iomap() / ecardm_iounmap() 2007-05-11 17:19:02 +01:00
8250_boca.c
8250_early.c 8250: switch 8250 drivers to use _nocache ioremaps 2008-05-01 08:04:00 -07:00
8250_exar_st16c554.c [PATCH] Exar quad port serial 2006-12-07 08:39:35 -08:00
8250_fourport.c
8250_gsc.c serial/8250_gsc.c: add MODULE_LICENSE 2008-07-24 10:47:29 -07:00
8250_hp300.c 8250_hp300: coding style 2008-02-08 09:22:25 -08:00
8250_hub6.c 8250_hub6: codding style 2008-02-08 09:22:25 -08:00
8250_mca.c
8250_pci.c serial: add support for a no-name 4 ports multiserial card 2008-07-24 10:47:29 -07:00
8250_pnp.c drivers/serial/: remove CVS keywords 2008-07-20 17:12:35 -07:00
8250.c 8250: improve workaround for UARTs that don't re-assert THRE correctly 2008-09-02 19:21:38 -07:00
8250.h 8250: improve workaround for UARTs that don't re-assert THRE correctly 2008-09-02 19:21:38 -07:00
21285.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
68328serial.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
68328serial.h
68360serial.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
amba-pl010.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
amba-pl011.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
atmel_serial.c atmel_serial: update the powersave handler to match serial core 2008-09-23 08:09:14 -07:00
bfin_5xx.c Blackfin arch: move include/asm-blackfin header files to arch/blackfin 2008-08-27 10:51:02 +08:00
bfin_sport_uart.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
bfin_sport_uart.h Blackfin serial driver: this driver enable SPORTs on Blackfin emulate UART 2008-04-30 08:29:30 -07:00
clps711x.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
crisv10.c cris: Fixup compile problems 2008-08-04 17:12:07 -07:00
crisv10.h cris: Fixup compile problems 2008-08-04 17:12:07 -07:00
dz.c serial: DZ11: avoid a hang at console switch-over 2008-07-24 10:47:29 -07:00
dz.h dz: clean up and improve the setup of termios settings 2008-02-07 08:42:24 -08:00
icom.c ttydev: Fix up compile failures in the PPC build 2008-07-22 13:03:22 -07:00
icom.h Coding style fix drivers/serial/icom.h 2008-02-03 14:47:38 +02:00
imx.c imx serial: fix rts handling for non imx1 based hardware 2008-09-02 10:19:30 +02:00
ioc3_serial.c - Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
ioc4_serial.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
ip22zilog.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
ip22zilog.h
Kconfig Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk 2008-08-08 21:10:12 +01:00
kgdboc.c tty: The big operations rework 2008-04-30 08:29:47 -07:00
m32r_sio_reg.h
m32r_sio.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
m32r_sio.h m32r: serial: remove M32R_SIO_SHARE_IRQS 2007-10-16 09:43:04 -07:00
Makefile remove drivers/serial/v850e_uart.c 2008-07-30 09:41:46 -07:00
mcf.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
mcfserial.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
mcfserial.h
mpc52xx_uart.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
mpsc.c kgdb: kgdboc console poll hooks for mpsc uart 2008-07-23 11:30:16 -05:00
mux.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
netx-serial.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
of_serial.c of_serial: Use linux/of_platform.h instead of asm 2008-06-09 13:46:37 +10:00
pmac_zilog.c ttydev: fix pamc_zilog for tty pointer move 2008-07-20 17:12:36 -07:00
pmac_zilog.h [PATCH] tty: switch to ktermios 2006-12-08 08:28:57 -08:00
pnx8xxx_uart.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
pxa.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
s3c2400.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
s3c2410.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
s3c2412.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
s3c2440.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
sa1100.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
samsung.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
samsung.h [ARM] S3C24XX: Split serial driver into core and per-cpu drivers 2008-07-03 16:51:31 +01:00
sb1250-duart.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
sc26xx.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
serial_core.c tty: rework break handling 2008-07-22 13:03:28 -07:00
serial_cs.c pcmcia: replace kio_addr_t with unsigned int everywhere 2008-02-05 09:44:08 -08:00
serial_ks8695.c [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
serial_lh7a40x.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
serial_txx9.c ttydev: Fix up compile failures in the PPC build 2008-07-22 13:03:22 -07:00
sh-sci.c sh: Add SCIF2 support for SH7763. 2008-07-28 18:10:29 +09:00
sh-sci.h serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. 2008-07-30 00:56:39 +09:00
sn_console.c - Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
suncore.c [SERIAL]: Fix section mismatches in Sun serial console drivers. 2007-12-29 01:19:49 -08:00
suncore.h [SERIAL] sparc: Infrastructure to fix section mismatch bugs. 2007-12-12 07:36:34 -08:00
sunhv.c sparc/drivers: use linux/of_device.h instead of asm/of_device.h 2008-08-11 14:30:53 -07:00
sunsab.c sparc/drivers: use linux/of_device.h instead of asm/of_device.h 2008-08-11 14:30:53 -07:00
sunsab.h
sunsu.c sparc/drivers: use linux/of_device.h instead of asm/of_device.h 2008-08-11 14:30:53 -07:00
sunzilog.c sparc/drivers: use linux/of_device.h instead of asm/of_device.h 2008-08-11 14:30:53 -07:00
sunzilog.h [SERIAL] sunzilog: Interrupt enable before ISR handler installed 2007-05-09 13:49:04 -07:00
uartlite.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
ucc_uart.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
vr41xx_siu.c Fix compile errors in SGI console drivers (linux-next tree) 2008-07-20 17:12:36 -07:00
zs.c serial: Z85C30: avoid a hang at console switch-over 2008-07-24 10:47:29 -07:00
zs.h zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00