linux-kernel - [PATCH v2] [media] v4l: omap4iss: Add DEBUG compiler flag

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Message-ID: <1392117421.5686.4.camel@x220>
Date:	Tue, 11 Feb 2014 12:17:01 +0100
From:	Paul Bolle <pebolle@...cali.nl>
To:	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] [media] v4l: omap4iss: Add DEBUG compiler flag

Commit d632dfefd36f ("[media] v4l: omap4iss: Add support for OMAP4
camera interface - Build system") added a Kconfig entry for
VIDEO_OMAP4_DEBUG. But nothing uses that symbol.

This entry was apparently copied from a similar entry for "OMAP 3
Camera debug messages". The OMAP 3 entry is used to set the DEBUG
compiler flag, which enables calls of dev_dbg().

So add a Makefile line to do that for omap4iss too.

Signed-off-by: Paul Bolle <pebolle@...cali.nl>
---
0) v1 was called "[media] v4l: omap4iss: Remove VIDEO_OMAP4_DEBUG". This
versions implements Laurent's alternative (which is much better).

1) Still untested.

 drivers/staging/media/omap4iss/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/staging/media/omap4iss/Makefile b/drivers/staging/media/omap4iss/Makefile
index a716ce9..f46c6bd 100644
--- a/drivers/staging/media/omap4iss/Makefile
+++ b/drivers/staging/media/omap4iss/Makefile
@@ -1,5 +1,7 @@
 # Makefile for OMAP4 ISS driver
 
+ccflags-$(CONFIG_VIDEO_OMAP4_DEBUG) += -DDEBUG
+
 omap4-iss-objs += \
 	iss.o iss_csi2.o iss_csiphy.o iss_ipipeif.o iss_ipipe.o iss_resizer.o iss_video.o
 
-- 
1.8.5.3

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