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Date: Wed, 05 Mar 2014 16:28:03 -0800 From: Joe Perches <joe@...ches.com> To: Laurent Pinchart <laurent.pinchart@...asonboard.com> Cc: Mauro Carvalho Chehab <m.chehab@...sung.com>, Paul Bolle <pebolle@...cali.nl>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-media@...r.kernel.org, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v2] [media] v4l: omap4iss: Add DEBUG compiler flag On Thu, 2014-03-06 at 00:50 +0100, Laurent Pinchart wrote: > Please note that -DDEBUG is equivalent to '#define DEBUG', not to '#define > CONFIG_DEBUG'. 'DEBUG' needs to be defined for dev_dbg() to have any effect. Not quite. If CONFIG_DYNAMIC_DEBUG is set, these dev_dbg statements are compiled in but not by default set to emit output. Output can be enabled by using dynamic_debug controls like: # echo -n 'file omap4iss/* +p' > <debugfs>/dynamic_debug/control See Documentation/dynamic-debug-howto.txt for more details. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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