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authorAndres Salomon <dilinger@debian.org>2007-10-18 06:04:50 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 17:37:19 -0400
commit8f4ce8c32f2dc2bc2411cafe39976fc5c0adfabf (patch)
tree04f9009812e13f97b3eaae6385a0bb49cc2312b1 /arch/powerpc
parent438e2ce68dfd4af4cfcec2f873564fb921db4bb5 (diff)
serial: turn serial console suspend a boot rather than compile time option
Currently, there's a CONFIG_DISABLE_CONSOLE_SUSPEND that allows one to stop the serial console from being suspended when the rest of the machine goes to sleep. This is incredibly useful for debugging power management-related things; however, having it as a compile-time option has proved to be incredibly inconvenient for us (OLPC). There are plenty of times that we want serial console to not suspend, but for the most part we'd like serial console to be suspended. This drops CONFIG_DISABLE_CONSOLE_SUSPEND, and replaces it with a kernel boot parameter (no_console_suspend). By default, the serial console will be suspended along with the rest of the system; by passing 'no_console_suspend' to the kernel during boot, serial console will remain alive during suspend. For now, this is pretty serial console specific; further fixes could be applied to make this work for things like netconsole. Signed-off-by: Andres Salomon <dilinger@debian.org> Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Cc: Nigel Cunningham <nigel@suspend2.net> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/configs/pmac32_defconfig1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/powerpc/configs/pmac32_defconfig b/arch/powerpc/configs/pmac32_defconfig
index 95b823b60c97..8e5988c4a164 100644
--- a/arch/powerpc/configs/pmac32_defconfig
+++ b/arch/powerpc/configs/pmac32_defconfig
@@ -209,7 +209,6 @@ CONFIG_PM=y
209# CONFIG_PM_LEGACY is not set 209# CONFIG_PM_LEGACY is not set
210CONFIG_PM_DEBUG=y 210CONFIG_PM_DEBUG=y
211# CONFIG_PM_VERBOSE is not set 211# CONFIG_PM_VERBOSE is not set
212# CONFIG_DISABLE_CONSOLE_SUSPEND is not set
213CONFIG_PM_SLEEP=y 212CONFIG_PM_SLEEP=y
214CONFIG_SUSPEND=y 213CONFIG_SUSPEND=y
215CONFIG_HIBERNATION=y 214CONFIG_HIBERNATION=y