linux-kernel - [PATCH 3/3] [media] vpif: Fix compilation with allmodconfig

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Date:	Tue,  9 Sep 2014 11:38:19 -0300
From:	Mauro Carvalho Chehab <m.chehab@...sung.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Linux Media Mailing List <linux-media@...r.kernel.org>,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	"Lad, Prabhakar" <prabhakar.csengg@...il.com>,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH 3/3] [media] vpif: Fix compilation with allmodconfig

When vpif is compiled as module, those errors happen:

ERROR: "vpif_lock" [drivers/media/platform/davinci/vpif_display.ko] undefined!
ERROR: "vpif_lock" [drivers/media/platform/davinci/vpif_capture.ko] undefined!

That's because vpif_lock symbol is not exported.

Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@...sung.com>

diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index cd08e5248387..3dad5bd7fe0a 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -38,6 +38,7 @@ MODULE_LICENSE("GPL");
 #define VPIF_CH3_MAX_MODES	2
 
 spinlock_t vpif_lock;
+EXPORT_SYMBOL_GPL(vpif_lock);
 
 void __iomem *vpif_base;
 EXPORT_SYMBOL_GPL(vpif_base);
-- 
1.9.3

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