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linux-next/arch/mips/loongson/common
Wu Zhangjin fc48c41af8 MIPS: Loongson: Cleanup the halt and poweroff action
In the old source code, I have let halt and poweroff do the same action,
but in reality, they have different meanings.

As the manpage of shutdown shows:

-r     Reboot after shutdown.
-H     Halt action is to halt or drop into boot monitor on systems that support it.
-P     Halt action is to turn off the power.

and in the real world, some machines(e.g. NAS) did not provide a power
button and the shutdown works as reset, so, we need to provide a
mechanism to let the users turn off the power safely without breaking
the system, such a mechanism is "halt", which only put the system into a
dead loop or a power-save mode and print some information to the screen
to tell the users to turn off the power safely.

$ shutdown -hH now /* loongson_halt, not turn off the power */
$ shutdown -hP now /* loongson_poweroff, work as poweroff */

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Tested-by: Liu Shiwei <liushiwei@gmail.com>
Cc: Liu Shiwei <liushiwei@gmail.com>
Cc: linux-mips <linux-mips@linux-mips.org>
Patchwork: http://patchwork.linux-mips.org/patch/883/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-02-27 12:53:17 +01:00
..
cs5536 MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
bonito-irq.c MIPS: Loongson: Add basic Loongson 2F support 2009-12-17 01:57:10 +00:00
cmdline.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
early_printk.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
env.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
init.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
irq.c MIPS: Bonito64: Make Loongson independent from Bonito64 code. 2009-12-17 01:57:06 +00:00
machtype.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
Makefile MIPS: Loongson: Cleanups of serial port support 2009-12-17 01:57:34 +00:00
mem.c MIPS: Loongson: Fixup mem.c indentation 2010-02-27 12:53:11 +01:00
pci.c MIPS: Loongson 2F: Cleanup the #if clauses 2009-12-17 01:57:15 +00:00
platform.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
pm.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
reset.c MIPS: Loongson: Cleanup the halt and poweroff action 2010-02-27 12:53:17 +01:00
serial.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
setup.c MIPS: Loongson: Split common loongson source code out 2009-09-17 20:07:47 +02:00
time.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
uart_base.c MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00