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PNP: add CONFIG_PNP_DEBUG_MESSAGES and pnp_dbg()

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This adds the core function pnp_dbg() and a new config option to
enable it.

The PNP core debugging messages can be enabled at boot-time with the
"pnp.debug" kernel parameter.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bjorn Helgaas
2008-08-19 16:53:41 -06:00
committed by Len Brown
parent 2663f60d43
commit 97ef062bbe
4 changed files with 39 additions and 0 deletions
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drivers/pnp/Kconfig
+14
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@@ -20,6 +20,20 @@ menuconfig PNP
If unsure, say Y.
config PNP_DEBUG_MESSAGES
default y
bool "PNP debugging messages"
depends on PNP
help
Say Y here if you want the PNP layer to be able to produce debugging
messages if needed. The messages can be enabled at boot-time with
the pnp.debug kernel parameter.
This option allows you to save a bit of space if you do not want
the messages to even be built into the kernel.
If you have any doubts about this, say Y here.
if PNP
config PNP_DEBUG