fbdev: add removed option "mode" to keep compatibility

Add removed option "mode" to keep compatibility with existing setups.  The
option is back for pm2fb, tridentfb and vt8623fb drivers.

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/pm2fb.c

@@ -1837,6 +1837,8 @@ module_exit(pm2fb_exit);
 
 module_param(mode_option, charp, 0);
 MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
+module_param_named(mode, mode_option, charp, 0);
+MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)");
 module_param(lowhsync, bool, 0);
 MODULE_PARM_DESC(lowhsync, "Force horizontal sync low regardless of mode");
 module_param(lowvsync, bool, 0);

drivers/video/tridentfb.c

@@ -75,6 +75,8 @@ static int nativex;
 
 module_param(mode_option, charp, 0);
 MODULE_PARM_DESC(mode_option, "Initial video mode e.g. '648x480-8@60'");
+module_param_named(mode, mode_option, charp, 0);
+MODULE_PARM_DESC(mode, "Initial video mode e.g. '648x480-8@60' (deprecated)");
 module_param(bpp, int, 0);
 module_param(center, int, 0);
 module_param(stretch, int, 0);

drivers/video/vt8623fb.c

@@ -112,6 +112,8 @@ MODULE_DESCRIPTION("fbdev driver for integrated graphics core in VIA VT8623 [CLE
 
 module_param(mode_option, charp, 0644);
 MODULE_PARM_DESC(mode_option, "Default video mode ('640x480-8@60', etc)");
+module_param_named(mode, mode_option, charp, 0);
+MODULE_PARM_DESC(mode, "Default video mode e.g. '648x480-8@60' (deprecated)");
 
 #ifdef CONFIG_MTRR
 module_param(mtrr, int, 0444);