From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 7/8] video: mark nuc900fb_map_video_memory as __devinit
Date: Tue, 09 Oct 2012 20:13:57 +0000 [thread overview]
Message-ID: <1349813638-4617-8-git-send-email-arnd@arndb.de> (raw)
In-Reply-To: <1349813638-4617-1-git-send-email-arnd@arndb.de>
nuc900fb_map_video_memory is called by an devinit function
that may be called at run-time, but the function itself is
marked __init and will be discarded after boot.
To avoid calling into a function that may have been overwritten,
mark nuc900fb_map_video_memory itself as __devinit.
Without this patch, building nuc950_defconfig results in:
WARNING: drivers/video/built-in.o(.devinit.text+0x26c): Section mismatch in reference from the function nuc900fb_probe() to the function .init.text:nuc900fb_map_video_memory()
The function __devinit nuc900fb_probe() references
a function __init nuc900fb_map_video_memory().
If nuc900fb_map_video_memory is only used by nuc900fb_probe then
annotate nuc900fb_map_video_memory with a matching annotation.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: linux-fbdev@vger.kernel.org
---
drivers/video/nuc900fb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index e10f551..b31b12b 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -387,7 +387,7 @@ static int nuc900fb_init_registers(struct fb_info *info)
* The buffer should be a non-cached, non-buffered, memory region
* to allow palette and pixel writes without flushing the cache.
*/
-static int __init nuc900fb_map_video_memory(struct fb_info *info)
+static int __devinit nuc900fb_map_video_memory(struct fb_info *info)
{
struct nuc900fb_info *fbi = info->par;
dma_addr_t map_dma;
--
1.7.10
next prev parent reply other threads:[~2012-10-09 20:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-09 20:13 [PATCH v2 0/8] ARM: mostly harmless gcc warnings Arnd Bergmann
2012-10-09 20:13 ` Arnd Bergmann [this message]
2012-10-10 1:41 ` [PATCH v2 7/8] video: mark nuc900fb_map_video_memory as __devinit Wan ZongShun
2012-10-10 12:36 ` Florian Tobias Schandinat
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