Re: [PATCH] staging: ozwpan: Convert printk to dev_dbg()

[Joe Perches]

On Tue, 2013-06-25 at 10:02 -0700, Greg KH wrote:
> On Tue, Jun 25, 2013 at 05:30:02PM +0100, Rupesh Gujare wrote:
> > convert all debug messages from printk to dev_dbg() & add kernel config to
> > enable/disable these messages during compilation.

> No, just use the built-in dynamic debug code in the kernel, no need to
> provide any new macros or functions or most importantly, no new Kconfig
> options.

I think the Kconfig option is pretty poor too but a
long needed extension to dev_dbg is to enable classes
of messages by level or mask.

There are many existing macros like

#define module_dbg(level, fmt, ...)
do {
	if (level >= some_module_var)
		debug_something(...);
} while (0)

and

#define module_dbg(mask, fmt, ...)
do {
	if (mask & some_module_var)
		debug_something(...)
} while (0)

It'd be nice to consolidate those in dev_dbg

I'll get 'round to it one day if Jason doesn't.


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