video: fbdev: acornfb: Mark expected switch fall-through

Mark switch cases where we are expecting to fall through.

Fix the following warning (Building: rpc_defconfig arm):

drivers/video/fbdev/acornfb.c: In function ‘acornfb_parse_dram’:
drivers/video/fbdev/acornfb.c:860:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
    size *= 1024;
    ~~~~~^~~~~~~
drivers/video/fbdev/acornfb.c:861:3: note: here
   case 'K':
   ^~~~

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

diff --git a/drivers/video/fbdev/acornfb.c b/drivers/video/fbdev/acornfb.c
index 92f23e3..7cacae5 100644 (file)
--- a/drivers/video/fbdev/acornfb.c
+++ b/drivers/video/fbdev/acornfb.c
@@ -858,6 +858,7 @@ static void acornfb_parse_dram(char *opt)
                case 'M':
                case 'm':
                        size *= 1024;
+                       /* Fall through */
                case 'K':
                case 'k':
                        size *= 1024;