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viafb: deprecate private ioctls

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Print a warning when viafb ioctls are called.  Those should not be used as
their exact meaning is sometimes unknown and they in parts duplicate
functionality present in the framebuffer interface.

There is no known user of these ioctls.

Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Florian Tobias Schandinat 2010-03-10 15:21:26 -08:00 committed by Linus Torvalds
parent c1c341a060
commit cc8b82f8c8
1 changed files with 1 additions and 0 deletions
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drivers/video/via/viafbdev.c
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@ -476,6 +476,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
u32 gpu32;
DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
memset(&u, 0, sizeof(u));
switch (cmd) {