Hi, On Tue, Apr 09, 2013 at 07:35:33PM +0200, Matthijs Kooijman wrote: > > > This adds a config option USB_DWC2_DEBUG_PERIODIC that allows debugging > > > output be suppressed for periodic transfers. This helps when debugging > > > non-periodic transfers while there are also periodic transfers going on > > > (both to make the debug output less polluted and to prevent all CPU time > > > going to debug messages). > > > [...] > > > Signed-off-by: Matthijs Kooijman <matthijs@xxxxxxxx> > > > > why don't you just use dynamic printk instead ? > In some cases, this could help, but a lot of the prints modified by this > patch are used for both periodic and non-periodic transfers. AFAIU, with > dynamic printks you could only enable/disable them altogether, not based > on some arbitrary condition (e.g., the urb being handled is targeted at > a periodic endpoint or not). you can enable prints line-by-line -- balbi
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