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authorWu Zhangjin <wuzhangjin@gmail.com>2010-01-27 09:39:46 -0500
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 06:53:17 -0500
commitfc48c41af81b953578a54f80ad07d2f1efa81378 (patch)
treeef93c5ecfbd419ef835e14f44d10f20f9d4d3952 /arch/mips/Kconfig
parente52dd9fc6b9e0c17b220bd38371ff15032a1a155 (diff)
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>
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