From 97ef062bbe08f46903f29ecdf432be302c977f3b Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Tue, 19 Aug 2008 16:53:41 -0600 Subject: 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 Signed-off-by: Andi Kleen Signed-off-by: Len Brown --- drivers/pnp/base.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'drivers/pnp/base.h') diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h index 9fd7bb9b7dce..5e4e82c82659 100644 --- a/drivers/pnp/base.h +++ b/drivers/pnp/base.h @@ -166,3 +166,13 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev, struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev, resource_size_t start, resource_size_t end, int flags); + +extern int pnp_debug; + +#if defined(CONFIG_PNP_DEBUG_MESSAGES) +#define pnp_dbg(dev, format, arg...) \ + ({ if (pnp_debug) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; }) +#else +#define pnp_dbg(dev, format, arg...) \ + ({ if (0) dev_printk(KERN_DEBUG, dev, format, ## arg); 0; }) +#endif -- cgit v1.2.3