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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2008-08-19 16:53:41 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-10 23:33:53 -0400 |
| commit | 97ef062bbe08f46903f29ecdf432be302c977f3b (patch) | |
| tree | e09e9a171ac2d3c79db945ee95145f17cdce82df /drivers/pnp/core.c | |
| parent | 2663f60d434139298835af690f4891cec5c1e501 (diff) | |
| download | linux-97ef062bbe08f46903f29ecdf432be302c977f3b.tar.gz linux-97ef062bbe08f46903f29ecdf432be302c977f3b.tar.bz2 linux-97ef062bbe08f46903f29ecdf432be302c977f3b.zip | |
PNP: add CONFIG_PNP_DEBUG_MESSAGES and pnp_dbg()
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>
Diffstat (limited to 'drivers/pnp/core.c')
| -rw-r--r-- | drivers/pnp/core.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 7cb1ffc14d4e..61291b5bfe12 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -221,3 +221,14 @@ static int __init pnp_init(void) } subsys_initcall(pnp_init); + +int pnp_debug; + +#if defined(CONFIG_PNP_DEBUG_MESSAGES) +static int __init pnp_debug_setup(char *__unused) +{ + pnp_debug = 1; + return 1; +} +__setup("pnp.debug", pnp_debug_setup); +#endif |